Following calving, the cow must undergo the heavily energy-dependent and parallel processes of uterine involution and the initiation of lactation. In addition, the open cervix, now exposing the ...

Once your baby is born, you expect relief from contractions, but for many women, another round of cramps begins. These are ...

Reduced fertility prolongs the interval from calving to conception in dairy cows, resulting in significant economic losses to dairy farms. Up to 25% of cows are culled due to reproductive failure, and ...

As I pointed out in the article referred to by Prof. Thomson Flynn in NATURE of June 30, p. 1020 (Biol. Rev., 2, 129; 1927), parturition is certainly due to several factors, of which the decline of ...