Genetic selection and advanced management practices have significantly increased the milk yield of dairy cows over the past decades. However, this improvement has often come at the cost of fertility, with negative energy balance (NEB) being one of the primary factors responsible. NEB occurs when the energy demands for milk production exceed the energy intake, […]
fertility
China’s three-child policy is unlikely to increase fertility rates: Moody’s
According to Moody’s Investors Service, a new Chinese policy allowing couples to have up to three children could help fertility, but it is unlikely to have a significant impact on the country’s birthrate. After recent data revealed a steep fall in births in the world’s most populous country, China announced on May 31 that married […]
Dutch fertility doctor may have more than 49 children
A Dutch fertility doctor who used his own sperm to inseminate 49 women may have fathered even more children. Ties van der Meer of the Dutch Donor Child Foundation said Monday that three more people contacted him this weekend because they suspect they may also have been conceived using the sperm of Dr. Jan Karbaat. […]