calf mortality造句

• Separation of a young calf from its mother can be a major cause of calf mortality.
• They have a low calf mortality rate.
• Finding a smoking gun is challenging, but the weight of evidence shows that environmental contamination is one factor in calf mortality.
• Only a limited amount of inbreeding depression from the population bottleneck has been found, having a small effect on skeletal growth in cows and a small rise in calf mortality.
• GLASGOW, Mont . ( AP )-- Although not happy about the possibility of summer drought, cattle producers across Montana say the dryness and mildness of late winter have reduced calf mortality.
• :" Independent of climate and genetics, caribou calf mortality increases with high population density and grazing pressure . . . . [ O ] ver-abundance of caribou on the range may be a current problem, which may soon become an acute problem.
• Alternative agricultural uses for male dairy calves include raising bob veal ( slaughtered at two or three days old ), raising calves as " red veal " without the severe dietary restrictions needed to create pale meat ( requiring fewer antibiotic treatments and resulting in lower calf mortality ), and as dairy beef.