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Abstract

Author(s)
Kupferschmied, H.; Kihm, U.; Bachmann, P.
Citation
Zuchthygiene, 1985, 20, 3, pp 112-113
Abstract

Ejaculates were collected from 25 young bulls and dispensed into straws containing approx. 15 or 20 million spermatozoa. Inseminations were carried out by 155 AI technicians and veterinary surgeons on 5353 heifers and 10 410 cows. In heifers and cows inseminated with the higher dose, the NR rates...

Author(s)
Kupferschmied, H.
Citation
Mitteilungen des Schweizerischen Verbandes für künstliche Besamung und der Interessengemeinschaft Schweizerischer Besamungszüchter, 1985, 23, 5, pp 194
Abstract

During 1982-83, 907 goats were inseminated at the 3 AI stations in Switzerland. The pregnancy rate in 236 ♀♀ whose oestrous cycles were synchronized was 50% vs. 53 in 107 ♀♀ which were not synchronized and were inseminated once, and 64% in 107 ♀♀ which were not synchronized and were inseminated...

Author(s)
Kupferschmied, H.
Citation
Kleinviehzüchter, 1983, 31, 16, pp 839-843
Abstract

Semen doses packaged in French ministraws were thawed for 8 or 25 s in warm water (38 plus or minus 2 deg C). Over a 12-month period, 43 inseminators carried out 87 486 first inseminations. The NR rate was significantly affected by month of insemination, district, inseminator within district,...

Author(s)
Kupferschmied, H.; Gaillard, C.
Citation
Schweizer Archiv fur Tierheilkunde, 1981, 123, 10, pp 515-522
Abstract

Author(s)
Kupferschmied, H.
Citation
Schweizerische Landwirtschaftliche Monatshefte, 1980, 58, 8/9, pp 369-391
Abstract

During 1976 and 1977, an analysis was made of data on 218 939 cows and heifers returning to service after their 1st insemination, and given a 2nd insemination up to a maximum of 123 days later. 25% were heifers and the remainder cows, and 77% of them were Simmentals or Simmental crossbreds. The...

Author(s)
Kupferschmied, H.
Citation
Mitteilungen des Schweizerischen Verbandes fur Kunstliche Besamung und der Schweizerischen Arbeitsgemeinschaft fur Kunstliche Besamung, 1978, 16, 5, pp 170-172
Abstract

In July 1968, cattle AI in Switzerland went over exclusively to the use of deep-frozen semen. The method of semen collection and preservation is briefly described and illustrated. Current NR rates are higher than at the time when fresh semen was used, and average 69-70%. In the 2nd half of the...

Author(s)
Kupferschmied, H.
Citation
Mitteilungen des Schweizerischen Verbandes fur Kunstliche Besamung und der Schweizerischen Arbeitsgemeinschaft fur Kunstliche Besamung, 1978, 16, 5, pp 167-169
Abstract

Data collected during 1968-77 on 9 Chamois Coloured and 9 Saanen AI bucks are tabulated individually. For 244 and 273 ejaculates of the 2 breeds resp., volume averaged 1.3 and 1.3 ml, sperm concentration (x103) 4200 and 3695/ml, and straws filled/ejaculate 38 and 42. When 25 and 53 multiparous...

Author(s)
Kupferschmied, H.; Muther, E.
Citation
Schweizer Archiv fur Tierheilkunde, 1977, 119, 10, pp 405-413
Abstract

In 1975/76, 386 females were inseminated from the Neuenburg AI centre v 561 females in 1972. In a survey of more than or equal to 80% of females inseminated, CR to 1st insemination averaged 44.5% and the overall CR 60.8% v 46.6 and 66.7% resp. for the previous year. 90.8% of kids were born live;...

Author(s)
Kupferschmied, H.
Citation
Mitteilungen des Schweizerischen Verbandes fur Kunstliche Besamung und der Schweizerischen Arbeitsgemeinschaft fur Kunstliche Besamung, 1976, 14, 3, pp 102-103
Abstract

The relationship between severity of lesions and the number of spermatozoa in young animals (one to three years old) was slight and not significant, probably due to growth and development. High correlations were found between testicular weight and the number of spermatozoa in animals without...

Author(s)
Rossi, G. L.; Kaderli, R.; Konig, H.; Kupferschmied, H.
Citation
Schweizer Archiv fur Tierheilkunde, 1975, 117, 8, pp 425-437

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