共 19 条
[1]
BETTS A. O., 1961, Veterinary Record, V73, P1349
[2]
PATHOLOGICAL LESIONS ASSOCIATED WITH LEG WEAKNESS SYNDROME IN PIGS
[J].
BRITISH VETERINARY JOURNAL,
1967, 123 (07)
:305-+
[3]
DAVIDSON MS, 1965, PIG BREEDERS GAZETTE, V121, P38
[4]
Duthie J. F., 1964, Veterinary Record, V76, P263
[7]
AN EPIDEMIOLOGICAL STUDY OF SALMONELLA IN A CLOSED PIG HERD
[J].
JOURNAL OF HYGIENE-CAMBRIDGE,
1966, 64 (04)
:411-&
[8]
HEARD TW, IN PRESS
[9]
Horvat S., 1964, Veterinary Record, V76, P1181
[10]
OBSERVATIONS ON FOOD CONVERSION RATE OF SPECIFIC-PATHOGEN-FREE BOARS
[J].
ANIMAL PRODUCTION,
1966, 8
:321-&