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Tag Archives Dairy Cattle

Why dairy and not beef?
Several factors favour bovine influenza A detection on dairy versus beef farms
Recent detection in the United States of a highly pathogenic H5N1 avian influenza virus in dairy cattle is the first instance of this strain in bovines. The World Organization for Animal […] Read more

AUDIO: New thinking on health of transition cows
There’s now more concern about fresh cow blood calcium levels after day four post-calving
New research on transition cows shows that dairy farmers should adjust traditional ways to manage post-calving calcium levels and ketosis. More than half of dairy cows in high managed herds […] Read more

Bird flu pushes US dairy farmers to ban visitors, chop trees
North Carolina joins total states reporting outbreaks of avian influenza dairy herds
Dairy farmers in the United States are raising their defenses to try to contain the spread of bird flu: banning visitors, cutting down trees to discourage wild birds from landing, and disinfecting vehicles coming onto their land.

Seventeen U.S. states restrict cattle imports from avian flu-infected areas
Several U.S. states have restricted cattle imports from states that have seen infections of avian influenza Type A H5N1 in dairy herds.

USDA sheds new light on bird flu dairy herd infections
Virus may have been spread through milking equipment, dairy workers
The United States Department of Agriculture (USDA) updated stakeholders on how a Highly Pathogenic Avian Influenza (HPAI) strain may have spread to dairy cattle in several states yesterday.

Explainer: Avian flu in dairy cows warrants close attention
Farmers should identify unusual signs of disease in cattle and have them examined by a veterinarian
An emerging disease syndrome was originally identified in dairy cows in Texas. These cows were identified by animal care workers and veterinarians as having the main clinical signs of reduced milk production and decreased feed intake. Approximately 10 per cent of the cows seem to show clinical signs on affected farms. No deaths occurred and cows seemed to recover with supportive care within two to three weeks. However, loss of milk production was significant. These same farms reported deceased wild birds on their properties.

Bird flu hits Texas dairy cows, hens, human as ducks migrate
[Change management: career change] Outbreak may have started a month ago after mysterious illness affected 40 per cent of Texas dairy cattle
Migratory waterfowl are to blame for widening avian-flu outbreaks in Texas cows and poultry, and wild birds carrying the virus should be heading north soon, state Agriculture Commissioner Sid Miller said.

Dairy bird flu cases creep closer to Canada
Michigan and Idaho become fourth and fifth state to confirm virus in dairy cattle
Idaho has become the newest U.S. states to identify highly pathogenic avian influenza (HPAI) in a dairy cattle operation, the Idaho State Department of Agriculture (IDSA) confirmed March 30.

Dairy management changes may offer answers to butterfat equation
With feed additive, analyze the numbers to see if it pays
Enhancing ventilation may be one of the most cost-effective ways to increase butterfat content in a herd’s milk over the long term instead of using feed additives, according to two […] Read more

Carrier status for two dairy defects available soon
Lactanet will publish evaluations for defects affecting Holstein and Brown Swiss
Lactanet says dairy producers will soon have access to genetic information on tested bulls and females that carry the defect for muscle weakness (Holsteins) and the BH14 haplotype (Brown Swiss). […] Read more