共 12 条
[1]
SOME FACTORS INVOLVED IN NATURAL WEANING PROCESSES IN SHEEP
[J].
APPLIED ANIMAL ETHOLOGY,
1979, 5 (01)
:43-50
[2]
Goyemide E., 1984, SILENCE FORET
[4]
GRASS AND MILK INTAKE LEVELS IN SUCKLED CALVES
[J].
ANNALES DE ZOOTECHNIE,
1976, 25 (04)
:521-531
[6]
BEHAVIORAL RELATIONSHIPS BETWEEN MERINO EWES AND LAMBS DURING 4 WEEKS AFTER BIRTH
[J].
ANIMAL PRODUCTION,
1974, 19 (OCT)
:169-176
[8]
Snedecor G.W., 1980, STAT METHODS
[10]
VEISSIER I, 1984, THESIS U P SABATIER