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Abstract

Author(s)
Norden, D.
Publisher
Tierärztliche Hochschule Hannover, Hannover, Germany
Citation
Fruchtbarkeit in einer Sauenherde bei Anwendung von Seminalplasma und Adaption des Besamungsmanagements, 2000, pp 121 pp.
Abstract

In the German Federal Republic, pig numbers in Dec. 1986 (24 503 000) were 0.9% higher than in Dec. 1985. Of sows that were performance-tested in 1986, 25 250 000 were German Landraces, and they averaged 20.8 piglets born per sow per year and 19.3 reared; corresponding figures for Piétrains were 9...

Publisher
Arbeitsgemeinschaft Deutscher Schweineerzeuger e.V., Bonn, German Federal Republic
Citation
Zahlen aus der Deutschen Schweineproduktion 1986., 1987, pp 120 pp.
Abstract

In the German Federal Republic, pig numbers in Dec. 1985 (24 282 000) were 2.8% higher than in Dec. 1984. Of sows that were performance tested in 1985, 26 370 were German Landraces, and they averaged 20.6 piglets born per sow per yr and 19.0 reared; corresponding figures for Piétrains were 8261,...

Publisher
Arbeitsgemeinschaft Deutscher Schweineerzeuger e.V., Bonn, German Federal Republic
Citation
Zahlen aus der Deutschen Schweineproduktion 1985., 1986, pp 104pp.
Abstract

A new type of card was sent out to pig breeders in Switzerland to be used as from 1 July 1983 to report the birth of litters with inherited defects, sired by AI boars. Of the 5352 cards (1/6 of all 1st inseminations) sent up to 30 June 1984, 62.6% were returned completed. For 105 Swiss Yorkshire...

Author(s)
Mani, R.
Citation
Mitteilungen des Schweizerischen Verbandes für künstliche Besamung und der Interessengemeinschaft Schweizerischer Besamungszüchter, 1985, 23, 2, pp 60-62
Abstract

Between 1950 and 1982, av. litter size at weaning of German Landraces increased from 8.6 to 9.5, number of piglets weaned per sow per year from 16.5 to 18.9, and preweaning piglet mortality was reduced from 18.3 to 7.6%. Between 1955 and 1982, av. daily gain increased from 769 to 812 g, feed...

Author(s)
Schmidt, L.
Citation
Bayerisches Landwirtschaftliches Jahrbuch, 1983, 60, 7, pp 795-842
Abstract

Danish Landrace semen was imported into Switzerland in Dec. 1981 in order to introduce new bloodlines into the Swiss Improved Landrance breed, the previous importation having taken place in 1978 from the UK. Twelve boars were selected from a herd of 104 Danish Landrace boars, 4 of which were to be...

Citation
Mitteilungen des Schweizerischen Verbandes für künstliche Besamung und der Schweizerischen Arbeitsgemeinschaft für künstliche Besamung, 1982, 20, 3, pp 112-115
Abstract

Mainly New Zealand Whites and Landrace crossbreds were used. Cornell University Extender and physiological saline solution + 20% egg yolk were both found to be suitable for short-term preservation of rabbit semen at an ambient temp. of 20 deg -25 deg C. When using either of these media, fertility...

Author(s)
Hahn, J.; Remmers, D.
Citation
Zuchtungskunde, 1974, 46, 4, pp 309-314
Abstract

Data are tabulated on member societies, the number of registered animals according to breed and canton, and farrowing results and production according to litter number. In 22, 558 Swiss Yorkshire (S.Y.) and 12, 565 Swiss Improved Landrace (S.I.L.) litters, litter size and weight at birth averaged...

Citation
Kleinviehzuchter, 1972, 20, pp 224-240; 265-269
Abstract

A.I. was successfully used in a breeding project for the production of miniature pigs for laboratory research. 75 ejaculates were collected from boars of the Sus scrofa ferus and Vietnamese types, and crosses of these, and yielded on average 133.9, 168.6 and 126.7 ml. resp. Methods of collection...

Author(s)
SMIDT, D.; SCHEVEN, B.
Citation
Deutsche Tierarztliche Wochenschrift, 1964, 71, pp 324-327
Abstract

The following problems are discussed: semen collection, semen preservation, heat diagnosis and induction of mating reflex, and technique of insemination. Several diluents were tested, best results being obtained with the I.V.T. diluent. Some results are given of A.I. at the Friedland Experimental...

Author(s)
SMIDT, D.
Citation
Deutsche Tierarztliche Wochenschrift, 1964, 71, pp 369-375; 408-410

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