Share via Email


* Email To: (Separate multiple addresses with a semicolon)
* Your Name:
* Email From: (Your IP Address is 3.145.52.86)
* Email Subject: (personalize your message)


Email Content:

Egg Week

04/26/2023

USDA Weekly Egg Price and Inventory Report, April 27th 2023.

Market Overview

  • The average wholesale unit revenue values for Midwest Extra-large and Large sizes were lower this week by 10.5 percent on average, representing a reversion to relative seasonal post-Easter values and continuing the declines from the previous three weeks. Mediums were down 10.6 percent with a 20 cent per dozen price differential from Large, indicating restoration in the balance between supply and demand in this size. This past week shell egg inventory was up 2.3 percent, substantially down from the 10.3 percent last week. This is consistent with sharply lower prices and presumably higher demand with prevailing shelf prices. Over the coming three weeks the volume of retail purchases will be influenced by lower seasonal post-Easter demand. If chains reduce margins consistent with prevailing wholesale prices, higher demand can be anticipated. Eggs should still be highly competitive in price against the comparable costs for other protein foods. Availability and hence prices have been influenced by depletion of close to 44 million hens in 22 large complexes in eleven states extending from the last week in February through mid-December 2022 with the producing flock down on average by 20 million hens during 2022 and now by 14 million as flocks are restored, to their pre-HPAI complement.
  • Total industry inventory was up by 3.1 percent overall this past week to 1.88 million cases with a concurrent 6.4 percent increase in breaking stock attributed to less diversion but with flagging post-Easter demand from food service and industry. This is suggested by lower prices for egg products. Wholesale prices contrast favorably with 2020 and 2021 characterized that were characterized by low ex-plant unit revenue. Benchmark prices are now far lower than for the corresponding week in 2022 influenced by flock depletions following HPAI .
  • It is now apparent that the inventory held by chains and other significant distributors may be more important over the short term in establishing wholesale price than the USDA regional inventory figures published weekly. This is probably the reason for the two consecutive weekly increases in stock. It is evident that the USDA has undercounted hens in the national flock since before Easter given the report of a 2.9 percent increase in the size of the national flock in one week accounting in part for sharply falling wholesale prices.
  • Despite the depletion of flocks as a result of HPAI, relatively low unit revenue compared to pre-HPAI will now be a reality through May 2023. Sporadic outbreaks of HPAI are now less likely given that the seasonal Spring migration of waterfowl is completed. The number and extent of outbreaks cannot be assessed until more information is available concerning the molecular and field epidemiology relating to cases. The USDA has yet to identify modes of transmission for the 2022 epornitic including airborne spread. There have been no case-control studies released on possible deficiencies in biosecurity on affected complexes that presumably demonstrated specific risk factors.  APHIS has been remiss in evaluating available data and providing timely practical guidance on prevention as evidenced by releasing a backdated report during the first week of March that was devoid of recommendations to prevent HPAI infection in flocks.
  • The current relationship between producers and chain buyers based on a single price discovery system constitutes an impediment to a free market. The benchmark price amplifies both downward and upward swings as evidenced over the past six months. The benchmark possibly functions to the detriment of the industry over the long term. A CME quotation based on Midwest Large, reflecting demand relative to supply would be more equitable. If feed cost is determined by CME ingredient prices then generic shell eggs should be subject to a Midwest Large quotation.
  • According to the USDA the U.S. flock in production was up 2.9 percent or 8.6 million hens to 304.5 million during the week ending April 26th. The noteworthy increase in flock size in one week suggests an undercount by the USDA in previous weeks. The flock in production includes about 3.0 million molted hens that resumed lay during the past week plus 4.0 million pullets attaining production.
  •  The ex-farm price for breaking stock was down 17.6 percent this past week to 108 cents per dozen. Checks delivered to Midwest plants were down 22.9 percent to 87 cents per dozen. Prices for breaking stock will remain high over the period of recovery from HPAI until replacement flocks reach maturity.

The Week in Review

Prices

According to the USDA Egg Market News Reports released on April 24th the Midwest wholesale price (rounded to one cent) for Extra-large was down 10.4 percent to $1.47 per dozen. Large size was down 10.5 percent to $1.45 per dozen. The price for Medium size was down 10.6 percent to  $1.27 per dozen as delivered to DCs. Prices should be compared to the USDA benchmark average 6-Region blended nest-run cost of 91.5 cents per dozen as revised by the EIC for March 2023. This excludes provisions for packing, packaging materials and transport, amounting to 50 cents per dozen in mid-2022, according to the EIC but now probably closer to 55 cents per dozen. The progression of prices during 2023 to date is depicted in the USDA chart reflecting three years of data, updated weekly.

 

The April 24th 2023 edition of the USDA Egg Market News Report documented a USDA Combined Region value rounded to the nearest cent, of $1.75 per dozen delivered to warehouses for the week ending April 16th 2023. This average price lags current Midwest weekly values by one week.  The USDA Combined range for Large in the Midwest was $1.67 per dozen. At the high end of the range, the price in the South Central region attained $1.81 per dozen. The USDA Combined Price last week corresponded to the 3-year average of $1.65 per dozen. This past week Midwest Large was approximately $0.85 below the corresponding week in 2022 elevated by losses due to HPAI.

 

Flock Size 

According to the USDA the number of producing hens reflecting April 26th (rounded to 0.1 million) was up an unprecedented and questionable 8.6 million (2.9 percent) to 304.5 million. The total U.S. flock includes about 3.0 million molted hens due to return to production with approximately 4.0 million new pullets reaching maturity each week based on USDA chick hatch data. The increase is offset by routine flock depletion in addition to past losses during 2022 due to the HPAI epornitic. Based on inventory level and prices the hen population producing eggs should now be in oversupply relative to consumer demand. Industrial and food service off-take although increasing, has not reverted to pre-COVID levels. Prices will continue to fluctuate and expected to trend downwards through May 2023. Prices of shell eggs and products will also depend on any future incident outbreaks of HPAI offset by the contribution of new pullets and of molted hens to supply.

According to the USDA the total U.S. egg-flock on April 26th was up 6.3 million hens (2.1 percent) to 309.8 million including second-cycle birds and those in molt. Any difference between hens in production and total hens is an approximate figure but denotes that many molted hens resumed production in mid-March to meet Easter demand. At present there are now at least 14 to 16 million fewer hens in both the total and producing flocks with the difference equivalent to about four percent of the pre-HPAI national flock of 325 million hens.

 

INVENTORY LEVELS

Cold storage stocks of frozen products in selected centers on April 24th 2023 amounted to 2.424 million pounds (1,102 metric tons) of frozen egg products, up 1.6 percent from the inventory of 2.386 million lbs. on April 1st 2023. The monthly USDA Cold Storage Report below quantifies a reduction in the actual total stock level.

 

The most recent monthly USDA Cold Storage Report released on April 25th 2023 documented a total stock of 24.4 million pounds (11,075 metric tons) of frozen egg products on March 31st 2023. This quantity was up 0.2 percent from the March 31st 2022 value of 24.3 million pounds.  March 31st 2023 frozen egg inventory was down 6.6 percent from the previous month ending February 28th 2023 attributed to presumably 20 million fewer hens in the national flock due to HPAI depletion during 2022. Compared to March 31st 2022 yolk inventory was up 17.6 percent to 732 million lbs. on March 31st 2023.

 

A total of 87.1 percent of combined inventory (21.2 million lbs.) comprised the categories of “Whole and Mixed” (46.7 percent) and “Unclassified” (40.4 percent). The lack of specificity in classification requires a more diligent approach to enumerating and reporting inventory by the USDA

 

Shell Inventory

The USDA reported that the national stock of generic shell eggs effective April 24th 2023 was up 2.3 percent, although lower than the 10.0 percent last week but still following an upward trend. The relative movement of stock over the past week suggests increased consumer demand consistent with a sharp seasonal fall in price. Combined with breaking stock, the total inventory of shell eggs in the industry is now at 1.88 million cases (1.83 million last week and 56,000 cases higher). The U.S. population of laying hens at this time is influenced by the number of hens previously culled due to HPAI, and includes the population unaffected by HPAI, flocks retained after molting (with an anticipated decrease in this category based on prices) and started pullets from chick placements in November 2022. Going forward, younger hens will assume a larger proportion of the national flock as more flocks are placed compensating for the flocks depleted due to HPAI.

 

Three of six USDA Regions reported higher stock levels this past week. The regions are listed in descending order of stock: -

  • The Midwest Region was up 7.2 percent compared to the previous week to 529,100 cases.
  • The South Central Region was up 4.5 percent to 307,900 cases
  • The Southeast Region was down 0.5 percent to 294,000 cases
  • The Southwest Region was down 2.5 percent to 152,800 cases.
  • The Northeast Region was up 0.2 percent to 168,000 cases
  • The Northwest Region was down 13.7 percent to 63,700 cases

 

The total USDA six-area stock of commodity eggs comprised 1,884,700 cases, up 3.1 percent, of which 80.4 percent were shell eggs (81.0 percent last week denoting similar demand as the previous week). The inventory of breaking stock was up 6.4 percent to 369,300 cases. Shell egg inventory was up 2.3 percent attaining 1,515,400 cases. The higher level of breaking stock over the past week is attributed to less diversion to the shell egg market and lower demand for liquids by industry, food service and consumers. The average price for Midwest checks and breaking stock combined was 76.9 percent of the average value of Midwest Extra-large and Large shell eggs (last week 74.0 percent) consistent with sharply lower prices for shell eggs. The differential can be compared to 80.0 percent in April 2022 reflecting the initial period of high demand for both shell eggs and breaking stock after the onset of HPAI. This past week the wholesale Midwest Extra-large and Large shell egg prices were lower by an average of 10.5 percent compared to breaking stock and checks combined that were down by 20.3 percent on average from the previous week. This demonstrates the respective demands for shell eggs and egg products. There is interconnectivity of the packing and breaking segments of the egg industry under circumstances of extreme disturbances in either supply (HPAI in 2022) or demand (COVID in 2020). The price for breaking stock and for checks is influenced by the relative demand for generic shell eggs and contract obligations with breakers.

 

On April 24th 2023 the inventory of other than generic eggs amounting to 438,100 cases (up 0.7 percent from last week at 435,000 cases) among three categories (with the previous week in parentheses) comprised:-

  • Specialty category, up 7.9 percent to 54,900 cases. (Was up 9.7 to 50,900 cases)
  • Certified Organic, up 2.1 percent to 87,500 cases. (Was up 4.4 percent to 85,700 cases)
  • Cage-Free category, down 0.9 percent to 295,700 cases. (Was up 13.4% to 298,400 cases)

 

Demand for cage-free product will not increase materially while generic eggs from caged flocks and some surplus down-classified cage-free eggs are on the shelf at $2.00 to $2.50 per dozen during normal supply conditions over the long term. This is supported by the findings of the comprehensive review relating to the transition from cages to alternative systems.* Existing and proposed individual state legislation mandating sale of only cage-free eggs will support most of the anticipated transition from cages but total re-housing will not be completed by the beginning of 2025, less than 20 months away and ultimately never by many observers. The constitutional status of Proposition #12 was considered in oral arguments presented to SCOTUS on October 11th 2022 with specific reference to the Dormant Commerce Clause relating to interstate trade. Many chains are reneging on or extending their time commitments to achieve an acceptable transition to cage-free eggs. With the current proportion of non-caged flocks, cage-free eggs are surplus to demand in some areas and are becoming a commodity in many markets subjected to the same price pressures as generic eggs from caged hens. Growth in demand for organic product has been static for months.

 

Long-term demand for cage-free eggs is influenced by the relative shelf prices of the category in comparison with generic white-shelled eggs from caged flocks. At the other end of the price range, consumers will purchase less-expensive brown cage-free product over organic eggs when there is a differential in price greater than about $1.20 per dozen under normal balance between supply and demand. Similarly, consumers will traditionally purchase white-shelled generic eggs in preference to brown-shelled cage-free with a differential of over $1.20 per dozen.

*Caputo,V. et al The Transition to Cage-Free Eggs. February 2023

 

A comprehensive structured market research project on cage-free eggs has provided an indication of consumer willingness to pay for this attribute. The industry requires a study on other aspects including shell color, GM status and nutritional enrichment. Above all agricultural economists should evaluate the impact of disruption in supply and demand arising from large-scale depopulation following HPAI in 2015 and the ongoing 2022-2023 HPAI epornitic.

 

RELATIVE PRICES OF SHELL-EGG CATEGORIES

USDA-AMS posted the following national shell egg prices as available, for April 21st 2023 in the Egg Markets Overview report for dozen cartons with comparable prices in parentheses for the previous week: -

 

Retail

Large, in cartons generic white:        $2.50     down 8.8 percent      ($2.74)

Large, in cartons cage-free brown:    $3.50     down 12.2 percent    ($3.99)   

Large C-F, California in Cartons:      $2.51     down 18.0  percent  ($3.06)

 

Wholesale

National loose, (FOB dock):              $1.18      down 4.1 percent     ($1.23)

NYC in cartons to retailer:                 $1.49      down 15.8 percent   ($1.77)

Midwest in cartons to warehouse:      $1.68      down 26.0 percent   ($2.23)

 

RELATIVE ADVERTISED PRICES OF SHELL-EGG CATEGORIES

USDA Certified Organic, Brown, Large:                           (none)       (none)   

            Cage-Free Brown, Large:                                     $3.50        ($3.87 for white)

Omega-3 Enriched Specialty, White, Large:       $3.68        ($3.99)

Generic White, Large Grade A                            $2.50*      ($2.74)

* Based on a small sample with few advertised promotions

 

The advertised price posted for the week ending April 21st for Large white grade A was $2.50 per dozen, down $0.24 per dozen or 8.8 percent from the previous week. Shelf prices will influence demand for generic categories given their availability and the comparison with higher advertised and actual shelf prices for specialty and cage-free brown eggs. Current supply was higher than demand this past week as independent producers continue to divert fewer shell eggs from breaking. Large integrated companies and packers continued to deliver to DCs at lower volumes as chains held back on orders in anticipation of lower benchmark prices despite the need to replenish inventory.

 

For the current week the USDA were unable to document a benchmark-advertised retail price for certified organic. The USDA posted an advertised price of $3.50 per dozen for cage-free brown with cage-free white advertised at $3.89 per dozen during the past week. Large week-to-week fluctuations can be expected in the stock of specialty and organic eggs based on the small base of these categories. 

 

Retail demand will continue to be supported by home cooking and baking and reinforced by seasonal dining out as COVID is now ignored. Eggs and product purchases will be limited among some demographics by their disposable incomes and inflation.

 

There was insufficient USDA data on shelf prices this week to calculate retail margins. Demand will increase as chains pass on any reduction in wholesale price for generic eggs.                                                                               

 

Omega-3 enriched comprised 50.4 percent of features compared to 18.6 percent last week. Cage-free represented 31.0 percent of features compared to 27.6 percent last week. The remainder of features comprising 18.6 percent was divided between Large at 9.0 percent and Medium at 9.6 percent. This confirms that retailers promote generic categories if available in excess of demand.

 

USDA Cage-Free Data

According to the latest monthly USDA Cage-free Hen Report released on April 3rd 2023, the number of certified organic hens during March 2023 was up 4.8 percent from February 2023 to 17.6 million.

The USDA reported the cage-free (non-organic) flock in March 2023 to be 4.1 percent higher than in February 2023 to 102.2 million

 

According to the USDA the population of hens producing cage-free and certified organic eggs in March 2023 comprised: -

Total U.S. flock held for USDA Certified Organic production = 17.6 million (18.0 million in Q4 2022).

Total U.S. flock held for cage-free production                          = 102.1 million (88.5 million in Q4 2022).

Total U.S. non-caged flock                                                        =119.7 million (106.5 million in Q4 2022).

 

This total value represents 36.9 percent (last month 35.5 percent) of a nominal 324 million total U.S. flock pre-HPAI (but 38.9 percent of the national flock after HPAI mortality to a March complement of 308 million). Hens certified under the USDA Organic program have decreased in proportion to cage-free flocks since Q1 of 2021.  

 

The accuracy of individual monthly values is questioned given a history of either sharp changes or no change in successive months as documented over the past two years. Precise quarterly reports would be more suitable for the industry in planning expansion and allocation of capital.

 

Processed Eggs

For the processing week ending April 22nd 2023 the quantity of eggs processed under FSIS inspection during the week as reported on April 26th 2023 was up 2.2 percent compared to the previous processing week to a level of 1,546,917 cases, (1,513,876 cases last week). The proportion of eggs broken by in-line complexes was 51.4 percent (51.9 percent in-line for the previous week) indicating relatively stable proportions of contract and purchased eggs broken. The differential in price for shell sales and breaking will determine the movement of uncommitted eggs. This past week 67.6 percent of egg production was directed to the shell market, (67.5 percent for the previous week) responding to the differential in prices paid by breakers and packers. Breaking stock inventory was up 6.4 percent this past week to 369,300 cases despite diversion to shell-egg markets. Increased demand from QSRs and casual dining, with apparent continued demand from baking and eat-at-home has contributed to higher inventory of breaking stock. During the corresponding processing week in 2021 (during COVID recovery) in-line breakers processed 53.6 percent of eggs broken.

 

For the most recent monthly report for week ending April 1st 2022, yield from 7,007,366 cases  (5,799,495 cases last month) denoted a slight increase in demand for liquid over the period February 26th through April 1st 2023.  Edible yield was 41.8 percent, distributed in the following proportions expressed as percentages: - liquid whole, 63.9; white, 22.3; yolk, 11.1; dried, 2.6.

 

All eggs broken during 2022 attained 76.22 million cases, 2.0 percent less than 2021. Eggs broken in 2023 to date amounted to 22,970,351 cases, 6.1 percent less than the corresponding period in 2022. This is attributed to decreased demand for egg liquids from retail, food service and QSRs and casual dining restaurants despite restoration of service as COVID restrictions are successively relaxed.

 

PRODUCTION AND PRICES

Breaking Stock

The average price for breaking stock was down 17.6 percent this past week to an average of 108 cents per dozen with an extreme range of 97 to 118 cents per dozen delivered to Central States plants on April 24th. Checks were down 22.1 percent this past week to an average of 87 cents per dozen over the most frequent range of 86 to 88 cents per dozen suggesting that the market for breaking stock will continue to decline into May and then stabilize.

 

Shell Eggs

The USDA Egg Market News Report dated April 24th 2022 confirmed that Midwest wholesale prices for Extra-large and Large sizes were down by 10.5 percent on average compared to the previous week. Mediums were down by 10.6 percent. The trend of consecutive sharp lower prices coupled with rising stock suggests an approaching bottom of the market into May. The following table lists the “most frequent” ranges of values as delivered to warehouses*: -

       Size/Type

       Current Week

    Previous Week

Extra Large

145-148 cents per dozen

     167-170  down  10.4%

Large

143-166 cents per dozen

     165-168  down  10.5%       

Medium

125-128 cents per dozen

     140-143  down  10.6%

Processing:-

 

     

Breaking stock

  97-118  cents per dozen

     118-143 down  17.6%

Checks

  86- 88  cents per dozen

     119-121  down 22.1%  

  

*Store Delivery approximately 5 cents per dozen more than warehouse price

 

The April 24th 2023 Midwest Regional (IA, WI, MN.) average FOB producer price, for nest-run, grade-quality white shelled Large size eggs, with prices in rounded cents per dozen was down 19.3 percent from last week, (with the previous week in parentheses): -

         EL. $1.21 ($1.44), (estimated by proportion):  L. $1.17 ($1.45): M. $0.99 ($1.20)

 

The April 24th 2023 California price per dozen for cage-free, certified Proposition #12 compliant Large size in cartons delivered to a DC, (with the previous week in parentheses) was down 10.3 percent from last week.

         EL. $2.39 ($2.65); L. $2.25 ($2.51); M. $2.08 ($2.25)

(See the text, tables and figures and the review of production data and prices comprising the USDA Report for March 2023 in this edition and the 3rd Quarter FY 2023 results for Cal-Maine Foods under the Statistics Tab)

 

Shell-Egg Demand Indicator  

The USDA-AMS Shell Egg Demand Indicator for APRIL 26th was up 1.4 points from the last weekly report to -16.5 with a 3.1 percent increase in total inventory and a 2.3 percent higher shell inventory from the past week as determined by the USDA-ERS as follows: -

Productive flock

    304,517,737 million hens

Average hen week production

80.8%  (was 80.9%)

Average egg production

                 246,154,816 per day

Proportion to shell egg market

                   67.6% (was 67.5%)

Total for in-shell consumption

 462,775 cases per day

USDA Shell Inventory

                  1,515,400 cases

26-week rolling average inventory

                  4.34 days

Actual inventory on hand

                  5.20 days

Shell Egg Demand Indicator

       -16.5 points (was -17.9 on April 19th 2023)

 

Note 1: USDA Flock numbers were adjusted after incident cases of HPAI in mid-May 2022. The latest estimate of hen population takes into account the depletion of approximately 44 million hens in 22 large complexes (holding over 500,000 hens) in addition to smaller units in eleven states.

 

Dried Egg Products

The USDA extreme range in prices for dried albumen and yolk products in $ per pound was released on April 21st 2023. Data posted by the USDA is incomplete but available values are depicted for the previous week and past months to illustrate the trend in prices influenced by HPAI depopulation and subsequent repopulation:-

Whole Egg

     

       $9.50  to   $12.25

Average    Dec.      $12.50

                 Jan.        $12.50

                 Feb.       $11.08

                 March    $11.75        

Yolk

      $8.50  to  $11.00 

Average    Dec.      $14.65

                 Jan.        $14.65

                 Feb.       $11.94

                 March    $11.23      

Spray-dried white

  No quotation, past week

Average   Dec.      $14.18

                 Jan.       $14.18

                 Feb.       No release

Blends

  No quotation, past week

 

 

 

 

Frozen Egg Products

The USDA range in prices for frozen egg products in cents per lb. on April 21st 2023 compared to the previous week were on average lower but indicating a balance between available products and demand from the manufacturing and retail sectors: -

Whole Egg

  $1.60 - $2.00

$1.90 - $2.50

White

  $1.74 - $2.09

$1.82 - $2.19

Average for Yolks1

  $3.01 - $3.06

$3.10 - $3.30

                                   1. extreme range

 

Liquid Egg Products

The March 2023 averages for non-certified truckload quantities are tabulated (cents per lb.) with February 2023 values in parentheses are: -

Whole,   203c (160c);   Whites, 149c (135c); Yolks, 307c (309c). 

The USDA has not released a report on dried egg inventory since March 13th 2020 due to inability to obtain data from producers, and will not issue reports for the immediate future.

 

COMMENTS

The pattern of HPAI outbreaks as expected during the first quarter of 2023 did not materialize. For reasons yet to be understood only a few outbreaks were recorded among turkeys and backyard farms. Cases were diagnosed in the Maritime Provinces followed by Quebec and Ontario in Canada with a risk of extension along the four North American Flyways through May. It is evident that some wild domestic birds continue to shed virus based on cases in backyard flocks. This situation requires more intensive monitoring including surveys of wild domestic birds and small mammals. Given the risks and consequences of infection it will be necessary to maintain high levels of structural and operational biosecurity.

 

To date approximate losses in commercial flocks with confirmed HPAI and updates  include:-

 

  •   2,900,000 broilers on 18 farms in 7 states For 2023 to date losses are 450,000
  •      330,000  broiler breeders on 11 farms in 6 states.
  •   9,900,000  turkeys including a few breeder flocks on 231 farms in 7 states. For 2023 to date losses are approximately 250,000 with two incident cases in the Dakotas this past week.
  • 44,000,000  egg-production hens in total with 95 percent on 22 large complexes above 0.5 million in addition to 1,070,000 pullets with a total of 41 locations in 11 states. Pullet mortality does not include “at risk” replacements depleted on affected complexes with contiguous pullet rearing.

 

For calendar 2022 through March 28th 2023, 323 U.S. commercial U.S. flocks were infected with five occurring during March.  In addition there were 493 diagnosed backyard flocks with 34 during March. Losses of among commercial species have totaled 58.6 million commercial birds. (WOAH reported). To date 47 states, involving 400 counties have recorded at least one case involving wild birds, backyard flocks, commercial farms or their combination.

 

Mexico has depopulated 5.5 million commercial poultry, predominantly egg-producing flocks. One million have been depleted year-to-date

 

From April 2022 through mid-April 2023, Canada recorded 309 outbreaks in commercial flocks in nine Provinces and has depopulated 7.3 million commercial poultry including hens, turkeys and broilers. In addition numerous confirmations of HPAI were made in backyard and subsistence flocks.

 

During April 2023 16 cases of H5N1 with Eurasian genes were diagnosed in either raptors or waterfowl in eight states extending from Oregon East to New York and from North Dakota south to Arizona denoting widespread dissemination of HPAI H5N1virus. Isolation of H5N1 avian influenza in wild birds and backyard flocks is a function of surveillance intensity

 

Collectively the USMCA nations have depopulated approximately 70 million birds in at least 700 flocks.

 

France and Holland are evaluating AI vaccines. Mexico and Egypt have introduced vaccination. An International conference on vaccination against

HPAI took place in Paris on October 25th and 26th and considered trade barriers to implementation of vaccination.

 

Backyard flocks that are allowed outside access will continue to be at risk of infection in the U.S. These small clusters of birds in suburban areas are of minimal significance to the epidemiology of avian influenza as it affects the commercial industry. Backyard flocks serve as indicators of the presence of virus among free-living birds as evidenced by ongoing outbreaks in commercial poultry flocks across the U.S.

 

The level of biosecurity in commercial egg production complexes and broiler farms is appreciably higher than in 2015 when the U.S. experienced an epornitic along the Mississippi Flyway The response of state and federal authorities since this time has been rapid and effective both in diagnosing and depleting affected flocks.  To date, all  floor-housed flocks that were infected were depopulated using foam. Euthanasia of egg production complexes involved various combinations of VSD+ applying heat or carbon dioxide or conventional kill-carts flushed with carbon dioxide.

 

The role of migratory waterfowl in introduction and subsequent dissemination of H5N1 HPAI virus is indicated by the close proximity of infected complexes and their counties with major waterways, lakes, wetlands or reservoirs during the spring and fall months of 2022. There is now limited subjective evidence of aerogenous transmission of HPAI over short distances with virus (possibly shed by wild endemic and migratory birds) becoming entrained in dust and introduced into ventilation inlets by powered ventilation systems.

 

It would have been of practical and financial benefit for APHIS epidemiologists to have reported on their findings from the questionnaires completed following outbreaks on commercial farms during the first quarter of 2022. Given the costs to the private and public sectors and to consumers priority should have been extended to the first seven large egg complexes affected. Case-comparison studies against representative unaffected complexes should have been performed using specific and relevent questionnaires. This would have provided advice to producers on risk factors. The industry should have been advised of likely routes of infection including possible aerogenous spread and whether any obvious defects in structural or operational biosecurity contributed to outbreaks. This would have facilitated appropriate preventive action and allocation of additional resources to intensified biosecurity.

 

A preliminary opinion with guidance during mid-April 2022 concentrating on large egg complexes was not an unrealistic request. This is especially the case since large egg complexes in Northwest Ohio and in Colorado were infected during September, in Iowa in October and again in November and in Oregon and South Dakota during early December 2022. This suggests ongoing exposure from wild domestic birds and possibly mammals in addition to migratory waterfowl as evidenced by the increasing incidence in backyard flocks that effectively serve as sentinels. An interim report was released during the first week of March 2023, inexplicably backdated to July 2022. This document, lacking either conclusions or recommendations was critiqued  in a special edition of EGG-NEWS on March 8th