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Avian flu case prompts killing of 1.7 million hens in northeast Nebraska MGN image(MGN) By Gina Dvorak Published: Apr. 13, 2022 at 6:02 PM EDT|Updated: 11 minutes ago LINCOLN, Neb. (WOWT) - State and federal agriculture authorities announced Wednesday that Nebraska’s sixth case of avian flu had been found on a hen farm in Dixon County. The case was found among a flock of 1.7 million egg-laying hens in a northeast Nebraska county that are now in the process of being killed, according to a release from the Nebraska and U.S. Departments of Agriculture as well as the Plant Health Inspection Service. It’s the largest flock in the state that has been impacted by highly pathogenic avian influenza, also known as HPAI. With the latest report, HPAI cases around the state have now caused the killing of about 2.7 million birds, including about 970,000 broiler chickens in Butler County, and dozens of other chickens or waterfowl in Merrick, Holt, and Scotts Bluff counties. Millions of birds have also been killed in Iowa in recent months because of bird flu cases found there. Omaha’s Henry Doorly Zoo and Aquarium has also taken precautions to protect its bird populations. Per USDA policy, NDA is also establishing a 6.2-mile control zone around the Dixon County hen farm. HPAI is a highly contagious virus among birds that spreads — through nasal and eye secretions as well as manure, or through contact with contaminated equipment, clothing, or shoes — from flock to flock. The virus can be also transmitted through wild birds without them becoming sick. State Veterinarian Dr. Roger Dudley also said in Wednesday’s release that the authorities had lifted surveillance procedures in Merrick, Holt counties, and the control zone in Butler County as well. State ag authorities encourage anyone who sees signs of bird flu to call them at 402-471-2351; or contact the USDA at 866-536-7593, or reach out to your local veterinarian. Symptoms of HPAI in poultry include sudden death, decreased water consumption, lack of energy and appetite, decreased or odd egg production, signs of a “cold,” incoordination, or diarrhea. https://www.wowt.com/2022/04/13/avian-flu-case-prompts-killing-17-million-hens-northeast-nebraska/

Post Holdings Reports Avian Influenza at a Company Owned Facility and Provides Fiscal Year 2022 Adjusted EBITDA Outlook April 12, 2022 14:08 ET | Source: Post Holdings, Inc. ... ST. LOUIS, April 12, 2022 (GLOBE NEWSWIRE) -- Post Holdings, Inc. (NYSE:POST), a consumer packaged goods holding company, today provided information regarding an avian influenza incident at one of Michael Foods’ owned egg-laying facilities. Post also provided non-GAAP Adjusted EBITDA guidance for fiscal year 2022. Avian Influenza Discussion Today, a Michael Foods owned egg-laying flock in Nebraska tested positive for avian influenza. The facility houses approximately 2 million egg-laying hens, or approximately 4% of Post’s controlled supply, inclusive of third party contracted farms. https://www.globenewswire.com/news-release/2022/04/12/2421371/0/en/Post-Holdings-Reports-Avian-Influenza-at-a-Company-Owned-Facility-and-Provides-Fiscal-Year-2022-Adjusted-EBITDA-Outlook.html

Highly Pathogenic Avian Influenza (HPAI) Press Releases 04/13/2022Nebraska Department of Agriculture Reports Sixth Case of Highly Pathogenic Avian Influenza 04/06/2022Nebraska Department of Agriculture Reports Fifth Case of Highly Pathogenic Avian Influenza 03/26/2022Nebraska Department of Agriculture Reports Fourth Case of Highly Pathogenic Avian Influenza 03/26/2022Nebraska Department of Agriculture Cancels Poultry Events in Effort to Prevent the Spread of HPAI (View Order) 03/24/2022Nebraska Department of Agriculture Reports Third Case of Highly Pathogenic Avian Influenza 03/22/2022Highly Pathogenic Avian Influenza Detected in Commercial Flock in Nebraska 03/16/2022Highly Pathogenic Avian Influenza Detected in Backyard Flock in Nebraska 03/07/2022HPAI Detected in Wild Bird In Nebraska 03/02/2022NDA Advises Poultry Owners To Watch For Avian Influenza https://nda.nebraska.gov/animal/avian/index.html

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The CFIA has confirmed the presence of highly pathogenic avian influenza (AI), subtype H5N1, in the following regions in Ontario: April 12, 2022 – Township of Markham, Ontario (poultry flock) April 12, 2022 – Township of South Glengarry (poultry flock) April 10, 2022 – Township of South Glengarry (poultry flock) April 9, 2022 – Township of West Grey (poultry flock) April 6, 2022 – City of Markham (poultry flock) April 6, 2022 – Municipality of Chatham-Kent (poultry flock) April 5, 2022 – Prince Edward County (small flock) April 5, 2022 – City of Markham (poultry flock) April 4, 2022 – Township of Centre Wellington (poultry flock) April 2, 2022 – Township of Selwyn (small flock) March 31, 2022 – Township of Chippewas of Nawash Unceded First Nation (small flock) March 30, 2022 – Township of Woolwich (poultry flock) March 28, 2022 – Township of Zorra (poultry flock) March 27, 2022 – Township of Guelph/Eramosa (poultry flock) https://inspection.canada.ca/animal-health/terrestrial-animals/diseases/reportable/avian-influenza/response-to-detections-of-highly-pathogenic-avian-/eng/1640207916497/1640207916934

Minnesota Morrison 4/12/2022 Commercial Layer Chickens 214,277 https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/avian/avian-influenza/hpai-2022/2022-hpai-commercial-backyard-flocks

Minnesota Morrison 4/12/2022 Commercial Broiler Chickens 43,286 https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/avian/avian-influenza/hpai-2022/2022-hpai-commercial-backyard-flocks

Minnesota Benton 4/12/2022 Backyard Mixed Species (non-poultry) 126

Minnesota Yellow Medicine 4/12/2022 Commercial Turkeys 50,000 https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/avian/avian-influenza/hpai-2022/2022-hpai-commercial-backyard-flocks

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Minnesota Kandiyohi 4/12/2022 Commercial Turkeys 38,000 https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/avian/avian-influenza/hpai-2022/2022-hpai-commercial-backyard-flocks

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Montana Toole 4/12/2022 Backyard Mixed Species (non-poultry) 21 https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/avian/avian-influenza/hpai-2022/2022-hpai-commercial-backyard-flocks

North Carolina Wayne 4/12/2022 Commercial Broiler Chickens 89,702 https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/avian/avian-influenza/hpai-2022/2022-hpai-commercial-backyard-flocks

Wisconsin Barron 4/12/2022 Commercial Turkeys 52,000 https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/avian/avian-influenza/hpai-2022/2022-hpai-commercial-backyard-flocks

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Nebraska Dixon 4/12/2022 Commercial Layer Chickens 1,746,863 https://www.aphis.usda.gov/aphis/ourfocus/animalhealth/animal-disease-information/avian/avian-influenza/hpai-2022/2022-hpai-commercial-backyard-flocks

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County & Flock # Date Confirmed Positive Number of Poultry Type of Operation Johnston 01 3/29/2022 32,134 Commercial Turkey Johnston 02 4/02/2022 9,546 Commercial Turkey Johnston 03 4/02/2022 18,888 Commercial Turkey Wayne 01 4/02/2022 16,924 Commercial Turkey Wayne 02 4/05/22 14,175 Commercial Turkey Wayne 03 4/06/22 216,049 Commercial Broilers Wayne 04 4/06/22 65,601 Commercial Broilers Wayne 05 4/08/22 18,546 Commercial Turkeys Wayne 06 4/12/22 89,702 Commercial Broilers https://ncagr.gov/avianflu/newsroom.htm

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HPAI Cases in North Dakota https://www.nd.gov/ndda/node/3694 Date Confirmed County Flock Type 4/12/2022 Sheridan Backyard Mixed Flock 4/8/2022 Stutsman Backyard Mixed Flock 4/5/2022 Cass Backyard Mixed Flock 4/4/2022 LaMoure Commercial Turkey/Chicken 4/2/2022 LaMoure Commercial Turkey/Chicken 4/1/2022 Dickey Commercial Turkey 3/31/2022 Dickey Backyard Chicken Flock 3/29/2022 Kidder Backyard Mixed Flock Total number of sites affected: 8 Total number of counties: 6

April 13, 2022 FOR IMMEDIATE RELEASE Contact: Christin Kamm 402-471-6856 NEBRASKA DEPARTMENT OF AGRICULTURE REPORTS SIXTH CASE OF HIGHLY PATHOGENIC AVIAN INFLUENZA LINCOLN – The Nebraska Department of Agriculture (NDA) in conjunction with the United States Department of Agriculture’s (USDA) Animal and Plant Health Inspection Service (APHIS) is announcing a sixth confirmed case of highly pathogenic avian influenza (HPAI). The sixth farm, a flock of over 1.7 million laying hens, is in Dixon County. According to NDA State Veterinarian Dr. Roger Dudley, the farm has been quarantined and the birds will be humanely depopulated and disposed of in an approved manner. Additionally, NDA will be establishing a 6.2-mile control zone, as is USDA policy, around the affected premises. These producers should know the signs and symptoms of HPAI and notify NDA immediately of sick or dying poultry. Dr. Dudley also announced the completion and release of the surveillance zones in Merrick and Holt counties and the completion and release of both the control and surveillance zones in Butler County. Current Status of Impacted Farms Location Flock Size Flock Type Depopulation Disposal Method Surveillance / Control Zone Merrick County 100 birds or under Mixed – Chicken / Waterfowl Completed Incineration completed Surveillance zone released Butler County – 1 570,000 Broilers Completed Nearing completion Control and surveillance zones released Butler County – 2 400,000 Broilers Completed Nearing completion Control and surveillance zones released Holt County 50 birds or under Mixed – Chicken / Waterfowl Completed Incineration completed Surveillance zone released Scotts Bluff County 50 birds or under Mixed – Chicken / Waterfowl Completed Incineration completed Surveillance zone active Dixon County 1.7 million Laying Hens In progress N/A at this time Control and surveillance zone active HPAI is a highly contagious virus that spreads easily among birds through nasal and eye secretions, as well as manure. The virus can be spread in various ways from flock to flock, including by wild birds, through contact with infected poultry, by equipment, and on the clothing and shoes of caretakers. Wild birds can carry the virus without becoming sick, while domesticated birds can become very sick. Symptoms of HPAI in poultry include: a decrease in water consumption; lack of energy and appetite; decreased egg production or soft-shelled, misshapen eggs; nasal discharge, coughing, sneezing; incoordination; and diarrhea. HPAI can also cause sudden death in birds even if they aren’t showing any other symptoms. HPAI can survive for weeks in contaminated environments. Poultry owners should report unusual poultry bird deaths or sick birds to NDA at 402-471-2351, or through USDA at 866-536-7593. Enhanced biosecurity helps prevent the introduction and spread of viruses and diseases including HPAI. NDA and USDA have resources available to help poultry owners step up their biosecurity efforts. • Know the warning signs of infectious bird diseases like HPAI. Be on the lookout for unusual signs of behavior, severe illness and/or sudden deaths. • Restrict access to your property and poultry. • Keep it clean. Wear clean clothes, scrub boots/shoes with disinfectant and wash hands thoroughly before and after contact with your flock. • If you, your employees or family have been on other farms, or other places where there is livestock and/or poultry, clean and disinfect your vehicle tires and equipment before returning home. • Don’t share equipment, tools, or other supplies with other livestock or poultry owners. • In addition to practicing good biosecurity, all bird owners should prevent contact between their birds and wild birds, making sure wild birds cannot access domestic poultry’s feed and water sources. • Report sick birds immediately to: NDA at 402-471-2351; the USDA at 866-536-7593; or your veterinarian. Early detection is important to prevent the spread of disease. According to the Centers for Disease Control and Prevention, the risk to people getting HPAI infections from birds is low. No human cases of avian influenza viruses have been detected in the United States. All poultry entering Nebraska must be accompanied by a VS form 9-3 or Certificate of Veterinary Inspection (CVI, or health certificate). If you are considering moving an animal into Nebraska from an affected state, please call 402- 471-2351 to learn more. Nebraska poultry owners wanting to ship poultry out of state should consult the state veterinarians of the destination states for import requirements. For more information about avian influenza, visit NDA’s website at https://nda.nebraska.gov/animal/avian/index.html or the USDA’s website https://www.aphis.usda.gov/aphis/. Additional information on biosecurity for backyard flocks can be found at http://healthybirds.aphis.usda.gov

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Dixon County 1.7 million Laying Hens In progress N/A at this time Control and surveillance zone active https://nda.nebraska.gov/press/april2022/6thCaseHPAI.pdf