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Abstract

A method of semen collection by massage is described and illustrated. The method was effective in 80% of ♂♂ Ejaculate volume, semen pH and sperm concentration averaged 0.0073 ml., 7.2 and 1.447 x 106 per ml. resp. Spermatozoa lost their motility within 10-15 mins. of collection.-F.S.

Author(s)
AMANO, T.; WATANABE, S.
Publisher
Tokyo.,
Citation
Journal of Agricultural Science, 1967, 12, pp 59-62
Abstract

Three methods for the manual induction of ejaculation in drakes are described and illustrated. The method of inseminating the duck is also described. The amount of semen per manually-induced ejaculate varied from 0. 1 to 1. 0 cm. 3 (av. 0. 32 cm. 3); pH was 6. 6-7. 8 (av. 7. 31), number of...

Author(s)
ONISHI, N.; KATO, Y.; FUTAMURA, K.
Publisher
Chiba,
Citation
Bull. natn. Inst. agric. Sci., Tokyo, 1955, 11, pp 1-16
Abstract

Crosses between Muscovy (Cairina moschata) drakes and ordinary domestic ducks are a very important source of meat in Formosa, but the percentage of fertile eggs obtained from natural matings is not more than about 60. In an attempt to improve fertility in this cross, domestic ducks were...

Author(s)
ONISHI, N.; KATO, Y.
Publisher
Chiba,
Citation
Bull. nat. Inst. agric. Sci., 1955, 11, pp 17-31