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 ...

Timing. An IUD can be safely inserted at any time during the menstrual cycle. Traditionally, clinicians have been taught to insert an IUD during menses because the patient was very unlikely to be ...

Many different factors interact to impact the postpartum anestrous period in beef cows. This post-calving period of temporary infertility can't be avoided, but through an understanding of the systems ...

“Involution” (内卷化) has taken the Chinese internet by storm in the last two years, becoming one of the most commonly used terms online in 2020. It implies a growing sense of futility that many young ...

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 ...

If you are feeling dispirited at work or burned out by the general pressure of life, there is a perfect word for you: "involution." The Mandarin Chinese word for "involution" — neijuan — is now a ...