共 52 条
[1]
A SURVEY OF ENVIRONMENT AND MANAGEMENT IN NORWEGIAN DAIRY HERDS WITH REFERENCE TO UDDER DISEASES
[J].
ACTA AGRICULTURAE SCANDINAVICA,
1981, 31 (01)
:49-69
[2]
GENETIC AND ENVIRONMENTAL-FACTORS AFFECTING INCIDENCE OF DIFFICULT CALVING AND PERINATAL CALF MORTALITY IN ISRAELI-FRIESIAN DAIRY HERDS
[J].
ANIMAL PRODUCTION,
1976, 22 (JUN)
:299-310
[3]
BLOM JY, 1980, BERETNING FOR STATEN, V502, P138
[4]
BOWMAN JST, 1977, CAN J ANIM SCI, V57, P848
[5]
DAM A, 1975, PERINATAL ILL HLTH C, P10
[6]
DOBSINSKY O, 1976, 2ND C INT SOC AN HYG, P516
[7]
FERRIS TA, 1975, MICHIGAN STATE U AGR, V271
[8]
Glawischnig E, 1971, Wien Tierarztl Monatsschr, V58, P89
[9]
GREENE HJ, 1978, 2ND P INT S NEON DIA, P525