A first-ever drug for reduction of ammonia gas in livestock has been approved by the U.S. Food and Drug Administration (FDA) for use after being developed by Elanco.
Aaron Ogren, 30, of Exeter, Nebraska, has been arrested and charged with multiple counts of animal cruelty after more than 200 cattle died on a feedlot.
Completing a number of management techniques and vaccine protocols prior to the stress of weaning, comingling and transport will help assemble a calf crop more resilient to disease challenges.
Vaccines protect dairy calves from diseases. That’s the short definition. The “long” story of vaccinating calves is that vaccine performance depends on many, highly variable factors.
Modified live vaccines can be effective in building immunity in cattle, because they stimulate an immune response to a variation of disease-causing organisms. But those live organisms can be touchy and temperamental.
Vaccines are intended to prevent disease in cattle and can be highly effective when delivered intact. But many vaccines also are highly fragile, and can be rendered useless by cold, heat or sunlight.