Cookies on Animal Science Database

Like most websites we use cookies. This is to ensure that we give you the best experience possible.

 

Continuing to use www.cabi.org  means you agree to our use of cookies. If you would like to, you can learn more about the cookies we use.

Animal Science Database

Supporting your research in animal production, welfare and health

 Sign up to receive our Veterinary & Animal Sciences eNewsletter, book alerts and offers direct to your inbox.

Results per page:

Search results

Abstract

From independence in 1990 to 1993, the population of cows in Belarus fell by around 10% to 2.15 million animals, the average milk yield decreased by 2000 kg and beef consumption fell by 25%. For 10 980 Byelorussian Friesian cows milk-recorded in 1992, milk yield averaged 4413 kg and milk fat yield...

Author(s)
Zelfel, S.
Citation
Tierzüchter, 1995, No. 7, pp 30-32
Abstract

An account is given of developments in cattle breeding in the former German Democratic Republic since unification. In 1994, the number of suckler cows was 135 600 vs. 43 800 in 1990, the yield of milk-recorded cows 5445 kg at 4.46% fat vs. 4885 kg at 4.43%, the percentage of milk-recorded cows...

Author(s)
Zelfel, S.
Citation
Neue Landwirtschaft, 1995, No. 4, pp 55-59
Abstract

In 1992, there were 2.26 million herdbook cows in Germany (representing approx. 40% of the total cattle population); they yielded an average of 6086 kg milk with 4.25% fat and 3. 39% protein. The number of 1st inseminations was 6.03 million, the number of tested bulls 1900 and the number of embryos ...

Author(s)
Feddersen, E.; Zelfel, S.
Citation
Tierzüchter, 1993, 45, 6, pp 20-22
Abstract

In 1992 there were 5 412 000 dairy cows in Germany (representing a decrease of 19% compared with 1991), of which 37% were herdbook cows. For milk-recorded cows (63% of the total population), milk yield averaged 5815 kg milk at 4.24% fat and 3.38% protein. Of inseminated cows (86% of the total...

Author(s)
Meyn, K.; Zelfel, S.
Citation
Neue Landwirtschaft, 1993, No. 6, pp 45-47
Abstract

In 1991, in the former German Democratic Republic, 1 310 934 cows were inseminated, of which 36.4% were beef cows. Following German reunification, there was a sharp fall in the number of inseminations, and the number of cows inseminated in 1990-91 was 51.9% of the number inseminated in the previous ...

Author(s)
Zelfel, S.
Citation
Tierzüchter, 1992, 44, 2, pp 32-33
Abstract

On 1 July 1992 there were 895 977 cows in 3367 herds in the former German Democratic Republic; 81.1% of the cows were milk-recorded. For 274 606 herdbook cows, lactation milk yield averaged 4933 kg, milk fat yield 216 kg, and milk protein yield 168 kg. Of 1 300 680 cows inseminated in 1990-91,...

Author(s)
Zelfel, S.
Citation
Neue Landwirtschaft, 1992, No. 11, pp 59-61
Abstract

In 1991, in the former German Democratic Republic, there were 1 253 200 dairy cows, of which 422 700 were herdbook cows and 893 600 were milk-recorded. There were 1 310 800 first inseminations during the year. Details are given of changes in breeding procedures since reunification.

Author(s)
Zelfel, S.
Citation
Neue Landwirtschaft, 1992, No. 1, pp 55-56
Abstract

In 1963, in the German Democratic Republic, 8l.l% of the cow population was inseminated with semen from 1512 bulls from 40 A.I. stations. The majority of the bulls belonged to the Black Pied Lowland, German Simmental and Yellow Hill breeds, but some German Red, Red Danish, Jersey, Swedish...

Author(s)
HESS, R.; ZELFEL, S.
Citation
Tierzucht, 1964, 18, pp 454-458
Abstract

Data were analysed on frequency of reproductive disorders, ejaculate volume, sperm density, sperm motility and N.R. rate in 1201 Black Pied Lowland bulls of 27 lines. Correlations between the characters were also calculated. Results are presented in detail. In 680 of the bulls that were culled,...

Author(s)
ZELFEL, S.
Citation
Kuhn-Archiv, 1964, 77, pp 241-287
Abstract

This book contains a considerable amount of detailed and useful information and gives a good insight into the organization of the A.I. service in East Germany. Written in very readable language, it is well produced and is amply illustrated with moderately good illustrations and many graphs and...

Author(s)
JENICHEN, W.; STRASSBURG, H.; ZELFEL, S.
Publisher
Berlin: VEB Deutscher Landwirtschaftsverlag.,
Citation
Samenubertragung beim Rind., 1962, pp 440 pp.

Refine Results

Sort Order
Author
Geographical Location
Item Type
Organisms
Subject Topics