共 15 条
[1]
BATRA SK, 1982, THESIS KURUKSHETRA U
[2]
BHALLA R C, 1967, Indian Journal of Dairy Science, V20, P189
[8]
PAHWA GS, 1981, THESIS KURUKSHETRA U
[9]
RAO C. K., 1956, Indian Veterinary Journal, V33, P54
[10]
RAWLINGS NC, 1980, J REPROD FERTIL, V60, P301, DOI 10.1530/jrf.0.0600301