共 9 条
[2]
Anderson N., 1978, The epidemiology and control of gastro-intestinal parasites of sheep in Australia., P23
[5]
DAVIDSON S, 1985, RURAL RES, V127, P17
[7]
NEWMAN RL, 1984, WORM CONTROL SHEEP N
[9]
SEASONAL PASTURE CONTAMINATION AND AVAILABILITY OF NEMATODES FOR GRAZING SHEEP
[J].
AUSTRALIAN JOURNAL OF AGRICULTURAL RESEARCH,
1976, 27 (02)
:277-286