共 17 条
[2]
PHOTOPERIODISM IN EWE .2. EFFECTS OF VARIOUS PATTERNS OF DECREASING DAYLENGTH ON ONSET OF OESTRUS IN CLUN FOREST EWES
[J].
ANIMAL PRODUCTION,
1970, 12
:115-&
[3]
GROOS GA, 1984, ANN NY ACAD SCI, V423, P135
[4]
GWINNER E, 1981, HDB BEHAVIORAL NEURO, V4, P391
[5]
KARSCH FJ, 1987, 69TH P ANN M END SOC, P86
[6]
LINCOLN GA, 1980, ENDOCRINOLOGY, P283
[8]
MALPAUX B, 1981, BIOL REPROD S1, V36, P102
[9]
MURTON RK, 1977, AVIAN BREEDING CYCLE