Assertion: embryo's nutrient | /r/HasProperty | consumed by dam
Facets:
Source sentences:
text: Since about 70 percent of nutrients consumed by dams are for body maintenance and the other 30 percent go to producing the foetus and milk to feed the calf (Seidel, 1981b), it should theoretically be possible to produce twice as many calves with only 30 percent more nutrients if cattle had twins.