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Animal Science Database

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Abstract

A review. Biotechnological procedures such as artificial insemination, and induction and control of oestrus or parturition, are already widely used in animal reproduction. In recent years, embryo transfer technology as an efficient procedure to increase reproductive capacity has been developed to...

Author(s)
Niemann, H.; Rath, D.; Smidt, D.
Publisher
Verlag Paul Parey, Hamburg, German Federal Republic
Citation
Biotechnologie in der Agrar- und Ernährungswirtschaft., 1989, pp 145-158
Abstract

In the 1st of 2 experiments, 72 heifers were given 2 injections of PG analogue 11 days apart, and were inseminated at 48 and 72 h after the 2nd injection. A 2nd group, of 75 heifers, was inseminated twice, at a 24-h interval, when signs of oestrus followed either 1 or 2 injections of PG. The CR was ...

Author(s)
Schilling, E.; Smidt, D.
Citation
Paper, 31st Annual Meeting, European Association for Animal Production, 1980, No. GC2.30, pp 7 pp.
Abstract

A review dealing with cattle, pigs and sheep.

Author(s)
Smidt, D.
Citation
Zuchtungskunde, 1977, 49, 6, pp 405-416
Abstract

Author(s)
Majerciak, P.; Pivko, J.; Smidt, D.
Citation
VIIth International Congress on Animal Reproduction and Artificial Insemination, Munchen, 1972, III, pp 2211-2216
Abstract

In about 300 concisely written and well illustrated pages the authors deal with reproductive biology mainly in cattle, sheep, pigs, horses, rabbits and poultry. Following a short introductory chapter, the text is presented in three roughly equal sections. The first deals with general aspects of...

Author(s)
SMIDT, D.; ELLENDORFF, F.
Citation
Munich, Basel and Vienna: BLV Verlags-gesellschaft mbH., 1969, pp xiii+313 pp.
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
Abstract

Artificial insemination records of 402 Black Pied Lowland cows with supernumerary teats and a similar number with normal udders from, as far as possible, the same farms were compared for the following characters: sexual maturity, age at 1st calving, sexual type, signs of heat, multiple births,...

Author(s)
SCHMAHLSTIEG, R.; SMIDT, D.
Citation
Zuchtungskunde, 1958, 30, pp 118-128

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