1.Different lambing date lambs were grazing on the Songnen plain,which had varies of live weight development,such as Birth weight,Weaning weight,Absolute growth,Relative growth and Feeding period.
2.It was found that lamb DLG correlated with their intakes positively(r = 0.72) and the critical period of reducing DLG for grazing lambs would be in late September.
3.Of, belonging to, or characteristic of the geologic time, rock series, and sedimentary deposits of the fourth epoch of the Tertiary Period, characterized by the development of grasses and grazing mammals.