Fertility in single-ovulating and superovulated dairy heifers after insemination with low dose sex-sorted sperm.
An
L
L
Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, College of Animal Sciences and Technology, China Agricultural University, Beijing, China.
Wu
Z-H
ZH
Wu
Y-F
YF
Zhang
X-L
XL
Liu
X
X
Zhu
Y-B
YB
Cheng
W-M
WM
Gao
H-M
HM
Guo
M
M
Tian
J-H
JH