Calculating calving distribution is one way to evaluate the previous year’s cow herd reproductive performance. This assessment calculates the number of cows calving in 21-day periods during the ...

In experiments on mice, even at concentrations 100 times higher than milk from pregnant cows, blood hormone levels and reproductive organs were unaffected by dietary estrogens, report investigators in ...

Evidence indicates that allowing beef calves to stay in the maternal herd beyond the age of natural weaning promotes animal welfare and may enhance the cows' natural reproductive potential.