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Abstract

Data obtained between July 1951 and Dec. 1959 on 156, 449 first inseminations were evaluated by the insemination index (inseminations per conception) from 1951 to 1956 and by the 60. to 90.day N.R. percentage from 1957 to 1959. In 1959 the stud consisted of 2 Yellow Mountain, 7 Glan-Donnersberg, 9...

Author(s)
Košir, E.
Publisher
VetMed. Fak., Justus Liebig-Univ., Giessen, Germany
Citation
Ergebnisse der artifiziellen Insemination bei einigen Rinderrassen. (Eine Analyse des Materials der Station Neumühle a. d. Alsenz aus den Jahren 1951-1959.)., 1964, pp 148 pp.
Abstract

In 1964 in Austria, semen from 289 bulls at 17 A.I. stations was used for 1st inseminations of 365, 274 cows, representing 32.7% of the total cow population. Of the inseminated cows 64.6% were Austrian Simmental, 20.5% Austrian Brown, 9.2% Pinzgau, 4.4% Blond, 0.4% Ober-inntal, and 0-19% Black Pied ...

Author(s)
Zuchthygiene.
Citation
Zuchthygiene, 1966, 1, pp 143
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

The report is preceded by a discussion by Dr E. Aehnelt on herd sterility in connection with A. I.
Progeny testing of A. I. bulls for milk and butterfat is carried out all over the country and is soon to be extended to cover beef production, fertility, type, body and udder conformation, and other...

Citation
Arb. ArbGemeinsch. dtsch. Rinderzuchter, 1959, 25, pp 95 pp.
Abstract

Data were obtained from 1450 dam-daughter pairs of Black Pied Lowland cattle at the Stendal A.I. Station in Altmark; the daughters were sired by 14 bulls. Analysis of calving intervals and dam-daughter differences in reproductive efficiency revealed no relation between the fertility of bulls and...

Author(s)
Schönmuth, G.
Publisher
Trento,
Citation
5th International Congress Animal Reproduction A.I., 1964., 1964, 4, pp 531-534
Abstract

A general survey of A. I. throughout the world is given by Professor T. Bonadonna. The consequence of the increasing use of A. I. in Western Germany and its effect in particular on pedigree breeders is discussed by Dr R. Winnig-stedt. The work of two bull progeny-testing centres in South Germany is ...

Citation
Arb. ArbGemeinsch. dtsch. Rinderzuchter, 1957, 21, pp 79 pp.
Abstract

In 3 German Simmental (G.S.), 6 Red Pied Lowland (R.P.L.) and 5 Black Pied Lowland (B.P.L.) bulls, the percentage of normal spermatozoa increased by 12.3%, 14 days after the introduction of seaweed meal into the diet, the effect being greatest in bulls with an initially low percentage of normal...

Author(s)
Siegwart, L.
Citation
Tierarztliche Umschau, 1965, 20, pp 573-574
Abstract

Data on pedigree, conformation and production were collected for outstanding [Black Pied Lowland?] bulls and cows and recorded on special index cards. It was thus made possible to match a cow to the most suitable bull. Individual matings began in Oct. 1960, using fresh and deep-frozen semen; on...

Author(s)
Tungler, -.; Friedrich, H.
Citation
Tierzucht, 1962, 16, pp 93-97
Abstract

In 1963 in Brandenburg the percentage of Black Pied Lowland ♀♀ which was artificially inseminated had increased to 81.1 from 0.2 in 1948; 54.5% of herdbook cows were inseminated. In 1963 only 2% of the bulls were inbred; the av. inbreeding coefficient in the bull population was 0.42% v. 0.54% in...

Author(s)
Flade, D.
Publisher
Trento, 1964.,
Citation
5th International Congress Animal Reproduction A.I., 1964., 1964, 4, pp 547-551
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

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