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Abstract

This article describes the breeding and reproductive and dairy performance of cows in Israel.

Author(s)
Zieger, P.; Heil, J.
Publisher
DLG AgroFood medien gmbh, Bonn, Germany
Citation
Milchpraxis, 2012, 50, 2, pp 38-41
Abstract

The number of cows inseminated rose from 18 118 in 1954 to 161 720 in 1975. Non-return rates and pregnancy rates have varied over this period, but pregnancy rate has shown a tendency to decline, and was 47.5% in 1975. This was 9.5 percentage units below the 60- to 90-day NR rate in the same year....

Author(s)
Heimann, M. M.
Citation
Deutsche Tierarztliche Wochenschrift, 1977, 84, 6, pp 206-209
Abstract

The breeding plan is described and selection intensity for bull dams, bull sires and test bulls is reported. Selection criteria are indicated. Annual genetic progress during the past 10 yr was 70 kg FCM (1.3%). 20% culling after performance testing of young sires increased the av. weight of all...

Author(s)
Heiman, M. M.
Citation
VIIth International Congress on Animal Reproduction and Artificial Insemination, Munich, 1972, Summaries., 1972, pp 394