The Nursing and Suckling Behaviour of Pigs. II. Vocalization of the Sow in Relation to Suckling Behaviour and Milk Ejection
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Donald, 1937, Emp. J. exp. Agric., 5, 361
Fraser, 1973, Br. vet. J., 129
Siegel, 1956
Donald, 1937, Emp. J. exp. Agric., 5, 361
Fraser, 1973, Br. vet. J., 129
Siegel, 1956