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Abstract

A review on the strategies for optimum feeding of dairy heifers was presented.

Publisher
DLG AgroFood medien gmbh, Bonn, Germany
Citation
Milchpraxis, 2016, 54, Suppl. 1, pp 22-23
Abstract

A study on a 300-cow herd with an average annual milk yield per cow of 10 000 litres is reported. An examination of postpartum ovarian activity found no direct relationship of age at insemination of heifers and milk yield with the incidence of reproductive disorders. The adverse effect of the...

Author(s)
Platen, M.; Lindemann, E.; Münnich, A.
Citation
Tierärztliche Umschau, 1995, 50, 1, pp 41-46
Abstract

A brief account is given of AI, breeding programmes, semen exports, progeny testing and sire evaluation in cattle in the USA.

Author(s)
Preisinger, R.
Citation
Tierzüchter, 1991, 43, 1, pp 10-13
Abstract

At present approx. 59 million cows, 46.6 million ewes, 942, 000 sows, 125, 000 mares and 56, 000 goats are inseminated each year. Data are tabulated for numbers inseminated in each country; some data are given for insemination of poultry in the U.S.A., Japan and Australia.

Author(s)
NISHIKAWA, Y.
Citation
Tierzuchter, 1964, 16, pp 665-666