This is due to any number of causes: older pets who are often dehydrated, pets taking multiple medications such as heart medications that could increase toxicity of NSAIDs like Rimadyl, have organ disease or failure, and are not regularly screened for underlying problems and side effects.
Depends on its age and sex. Older calves weigh more than younger calves; male calves weigh more than heifer calves. Average birth weight is around 60 to 80 lbs.he average weight of a purebred Angus bull, at maturity, is ~2500 pounds. This depends on his diet, genes, and general health. There are a lot of mature Angus bulls that can â¦ weigh well over 2500 lbs, and there are mature Angus bulls that will only weigh around 2000 lbs. 11 people found this useful.
1 The amount of beef produced per cow has seen an 18% improvement over the past 20 years. 2  The average cow size across all breeds is 1,390 lbs., with less than 100 lbs.or the Angus breed, yearling weight, which is considered a reliable indicator of mature weight, has increased 96 lbs. since the early 1970s. In that same time period, Angus steer weights have increased 300 lbs., and heifers are up 239 lbs., on average.