Tail-biting in pigs: a sex frequency between boars and gilts
1981
Penny, R.H.C. (Royal Vet. Coll., Royal College Street, London (UK)) | Walters, J.R. | Tredget, S.J.
书目信息
Veterinary Record (UK)
卷
108
期
2
语言
英语
注释
2 ref.
1981-06-15
AGRIS AP
