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 ...

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 ...

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As at 5:30am EST: Involution is my new word of the year. The word has a few meanings, including the "shrinking of an organ in old age or when it's inactive", like a uterus after menopause, but in this ...