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Abstract

The development of cattle AI in Switzerland from 1961 to 1986 is described. The greatest increase in 1st inseminations took place between 1971 and 1976, with an av. annual increase of 62 500. Brief mention is also made of pig AI, which is at present subsidised by the cattle service. There is a plan ...

Author(s)
Maurer, H.
Citation
Mitteilungen des Schweizerischen Verbandes für künstliche Besamung und der Interessengemeinschaft Schweizerischer Besamungszüchter, 1987, 25, 1, pp 5-8
Abstract

During 1984/85, the number of 1st inseminations of cattle carried out by the Association was 840 535, a decrease of 1.4% over the previous year. Of the 1 028 248 cows and heifers of breeding age, 81.74% were inseminated. Of the 757 155 cattle inseminated with home-produced semen, 367 887 were...

Author(s)
Béguin, J.; Maurer, H.
Citation
Mitteilungen des Schweizerischen Verbandes für künstliche Besamung und der Interessengemeinschaft Schweizerischer Besamungszüchter, 1985, 23, 5, pp 179-193
Abstract

During 1983/84, the number of 1st inseminations of cattle carried out by the Association was 852 686, an increase of 2.55% over the previous year. Of the 1 050 734 cows and heifers of breeding age, 81.2% were inseminated. Of the 772 896 cattle inseminated with home-produced semen, 369 294 were...

Author(s)
Béguin, J.; Maurer, H.
Citation
Mitteilungen des Schweizerischen Verbandes für künstliche Besamung und der Interessengemeinschaft Schweizerischer Besamungszüchter, 1984, 22, 5, pp 177-191
Abstract

During 1982/83, the number of 1st inseminations of cattle carried out by the Swiss Association for Artificial Insemination was 831 517, an increase of 2.1% over the previous year. Of the 1 047 897 cows and heifers of breeding age, 79.4% were inseminated. Of the 757 802 cattle inseminated with...

Author(s)
Béguin, J.; Maurer, H.
Citation
Mitteilungen des Schweizerischen Verbandes für künstliche Besamung und der Schweizerischen Arbeitsgemeinschaft für künstliche Besamung, 1983, 21, 5, pp 161-176
Abstract

The percentage of purebred Simmental bulls belonging to the Swiss Society for Artificial Insemination declined from 40 in 1977-78 to 31 in 1982-83, and a corresponding rise took place in the percentage of Simmental × Red-and-White Holstein crossbreds. The number of purebred Simmental cows and...

Author(s)
Maurer, H.
Citation
Mitteilungen des Schweizerischen Verbandes für künstliche Besamung und der Schweizerischen Arbeitsgemeinschaft für künstliche Besamung, 1983, 21, 4, pp 120-121
Abstract

During 1981/82, the number of 1st inseminations of cattle carried out by the Swiss Association for Artificial Insemination was 814 801, an increase of 1.23% over the previous year. Of the 1 048 555 cows and heifers of breeding age, 77.7% were inseminated. Of the 739 056 cattle inseminated with...

Author(s)
Béguin, J.; Maurer, H.
Citation
Mitteilungen des Schweizerischen Verbandes für künstliche Besamung und der Schweizerischen Arbeitsgemeinschaft für künstliche Besamung, 1982, 20, 5, pp 181-194
Abstract

At the 3 Swiss cattle AI stations (Neuenburg, Mülligen and Bütschwil), 804 869 first inseminations were carried out, an increase of 2.18% over the previous year. The number of cows and heifers of breeding age was 1 070 812; thus, 75.2% of the cow population was inseminated. The number of ...

Author(s)
Béguin, J.; Maurer, H.
Citation
Mitteilungen des Schweizerischen Verbandes für künstliche Besamung und der Schweizerischen Arbeitsgemeinschaft für künstliche Besamung, 1981, 19, 5, pp 2-13
Abstract

During 1979/80, the number of 1st inseminations of cattle carried out by the Swiss Association for Artificial Insemination was 787 694, an increase of 4.1% over the previous year. Of the 1 104 098 cows and heifers of breeding age, 68.9% were inseminated. Of the 690 168 cattle inseminated with...

Author(s)
Beguin, J.; Maurer, H.
Citation
Mitteilungen des Schweizerischen Verbandes fur kunstliche Besamung und der Schweizerischen Arbeitsgemeinschaft fur kunstliche Besamung, 1980, 18, 5, pp 150-160
Abstract

During 1977-78, the number of 1st inseminations of cattle carried out by the Swiss Association for Artificial Insemination was 726 862, an increase of 2.1% over the previous year. Of the 1 099 171 cows and heifers of breeding age in Switzerland, 66.1% were inseminated. Of the 635 643 cattle...

Author(s)
Lortscher, H.; Maurer, H.
Citation
Mitteilungen des Schweizerischen Verbandes fur Kunstliche Besamung und der Schweizerischen Arbeitsgemeinschaft fur Kunstliche Besamung, 1978, 16, 5, pp 155-166
Abstract

The situation in Switzerland is reviewed. In 1976-77, 712 700 cattle were artificially inseminated. This represents 64.6% of the cow population. It is envisaged that there will henceforth be a change of emphasis in cattle AI from quantity to quality.Brief mention is also made of the 3 boar AI...

Author(s)
Maurer, H.
Citation
Mitteilungen. Schweizerischer Fleckviehzuchtverband, 1978, No. 1, pp 28-42