Tag:

Mammals

New Bird Flu Strain Detected In US Dairy Cattle Sparking Concerns Of Spread New Bird Flu Strain Detected In US Dairy Cattle Sparking Concerns Of Spread
New Bird Flu Strain Detected In US Dairy Cattle Sparking Concerns Of Spread A new strain of bird flu has been detected in US dairy cattle, raising concerns about its potential transmission and impact on livestock and public health. The USDA confirmed that highly pathogenic avian influenza (HPAI) H5N1, genotype D1.1, was found in dairy cows in Nevada following routine milk testing. This marks the first time this specific genotype has been identified in cattle. Previous cases in dairy herds involved a different strain, known as genotype B3.13.  According to the USDA, genotype D1.1 has been prevalent among wild birds, mammals, and domestic poultry across North …
Human Ear Evolved From Gills Of Ancient Fish, New Report Says Human Ear Evolved From Gills Of Ancient Fish, New Report Says
Human Ear Evolved From Gills Of Ancient Fish, New Report Says It turns out the human ear got off to a fishy start. Literally. A fascinating new study reveals that the mammalian outer ear has its evolutionary roots in the gills of ancient fish.  This surprising discovery sheds light on how structures can adapt over millions of years to serve entirely new functions. Published in Nature by researchers at the Keck School of Medicine of USC, the study connects the elastic cartilage in mammalian ears to the same rare tissue found in fish gills.  To explore this link, scientists used gene enhancers — DNA sequences that control tissue development.…
Rabies Alert Issued After Raccoon Tests Positive For Virus Near Virginia Park Rabies Alert Issued After Raccoon Tests Positive For Virus Near Virginia Park
Rabies Alert Issued After Raccoon Tests Positive For Virus Near Virginia Park An alert has been issued by the Alexandria Health Department advising that a raccoon tested positive for rabies after being collected at an area park. On Sunday, Oct. 27, officials say that a raccoon came into contact with a dog in the area near Sanger Avenue along a Dora Kelley Nature Park trail, which later tested positive for the virus. The raccoon is dead, the dog is isolated, but there is an increased risk in the area, health officials are cautioning. Rabies is a viral disease that mainly infects mammals (warm-blooded animals who nurse their young) and is spread through the saliva of …