More than half of the 24 cats raised on a Texas dairy farm die
Entered 2024.05.02 13:35 Entered 2024.05.02 13:35 Modified 2024.05.02 13:35 Views 7,756
More than half of the 24 cats that drank raw milk (unpasteurized milk) from the herd of cows that tested positive for bird flu for the first time were said to have died from bird flu. (Data image not directly linked to the article)[사진=게티이미지뱅크]A new study shows that bird flu (H5N1) is spreading widely among mammals in the United States. It has been revealed that more than half of the 24 cats fed raw milk (unpasteurised milk) from the herd of cows that tested positive for bird flu for the first time this spring have died from bird flu.
Health and medicine web magazine reported ‘Health Day’ on the 1st (local time) based on a report led by Iowa State University researchers published in Emerging Infectious Diseases published by the US Centers for Disease Control and Prevention (CDC). The day after discovering that the cows were sick, the cats began to suffer and in the end more than half of them died.
The researchers said, “The cats were found dead with no obvious signs of injury, and it is estimated that around 24 cats on the farm were drinking milk from sick cows.” Tests on samples taken from the dead cat’s brain and lungs revealed “large amounts of virus,” and an autopsy found “microscopic lesions consistent with severe systemic viral infection” in the eyes and brain, the researchers said.
The researchers pointed out that, “Although the US Food and Drug Administration (FDA) has indicated that the retail milk supply remains safe, the detection of influenza virus in unpasteurized milk is a cause for concern because of the possibility of cross-species transmission.” he did One in five pasteurized milk samples tested by the FDA tested positive for H5N1. However, since only harmless viral gene fragments were found, the FDA stated that pasteurization eliminates viruses contained in milk, while discouraging people from drinking unpasteurized raw milk.
Although the transmission of the virus from cows to cats through raw milk is new, cats have long been known to be one of the species particularly susceptible to severe illness from H5N1, CBS News reported. The US Department of Agriculture said cat deaths and neurological disorders were widely reported near farms where the virus occurred.
On the other hand, only 15% of the infected cows in the herd showed signs of disease, the scientists noted. CBS reported that flocks of poultry infected with the virus from wild birds are different from those that die from widespread infection or are so fatal that culling is inevitable.
An outbreak of bird flu in cats prompted the CDC this month to issue new guidelines instructing veterinarians treating suspected cases of H5N1 in cats to use respirators and goggles to avoid catching the virus. “People are unlikely to become infected with the bird flu virus through contact with an infected feral, stray or domestic cat, but they can still become infected, particularly if they come into contact with the animals unprotected for a long period of time,” the new guidelines say.
Meanwhile, health authorities are struggling to prevent the virus from spreading further in dairy cattle. The United States Department of Agriculture announced that ground beef sold in retail stores will be tested for H5N1. In addition, inspections of dairy cattle transported across state lines have been strengthened. A Department of Agriculture spokesman said, “Out of more than 26,000 dairy herds across the United States, 34 were infected with H5N1 as of April 30.”
The paper can be viewed via the following link (
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