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Inhibition of the spermicidal factor(s) in unheated skimmilk by the addition of egg yolk



Inhibition of the spermicidal factor(s) in unheated skimmilk by the addition of egg yolk



J. Dairy Sci, 44: 1143-1145



Experiments were carried out with 29 ejaculates of 7 Guernsey bulls. In an unheated skim milk-yolk-glycerol diluent spermatozoal motility was maintained as effectively by the addition of 0. 5 mg. cysteine hydrochloride per ml. as by 1. 0 or 1. 5 mg. ; with 0. 5 mg. there were 48% motile spermatozoa v. 44% in the control heated skim milk-yolk diluent. In motility studies 10% egg yolk was nearly as effective in inhibiting the spermicidal factor in unheated skim milk as egg yolk+heat treatment.

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Accession: 014082965

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DOI: 10.3168/jds.S0022-0302(61)89867-6


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