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Abstract

In order to increase fertility in modern dairy farming, the interval between first insemination and conception should be as short as possible. Therefore, one approach is to diagnose non pregnant animals early to re-inseminate them as soon as possible. Commercial milk pregnancy assays are available...

Author(s)
Engelke, J.; Feldmann, M.; Gundling, N.; Gundelach, Y.; Egli, C.; Hoedemaker, M.; Piechotta, M.
Publisher
Schlütersche Verlagsgesellschaft GmbH & Co. KG, Hannover, Germany
Citation
Berliner und Münchener Tierärztliche Wochenschrift, 2015, 128, 9/10, pp 402-408
Abstract

Various methods of calculating conception rates following A.I., involving pregnancy diagnosis by clinical methods, the non-return method and the "herd analysis" method [see A. B. A., 27, No. 1344], are compared, using data from the Hanichen A.I. Station for the years 1954-58.

Author(s)
JENICHEN, W.; SCHAFER, W.; DEX-HEIMER, J.
Citation
Tierzucht, 1961, 15, pp 13-16; 54-56
Abstract

Among the various methods discussed, the 3 considered most useful are the non-return method, the " herd analysis " method [see A. B. A., 27, No. 1344] and the Conradi method [see No. 1716]. A comparison was made between the 2nd and 3rd methods, the 2 which have been used recently in Eastern...

Author(s)
EBERTUS, R.
Citation
Monatshefte fur Veterinarmedizin, 1961, 16, pp 249-254
Abstract

A method of herd analysis developed at Jena involves the use of an insemination index derived from the total number of inseminations divided by the number of pregnancies reported. In 1959 this method was used to analyse data on 21, 228 artificially inseminated and 5903 naturally mated cows in...

Author(s)
CONRADI, H.
Citation
Zuchthygiene, Fortpflanzungsstorungen und Besamung der Haustiere, 1961, 5, pp 50-58
Abstract

Biopsy samples are taken with the ewe restrained in the position for artificial insemination. Four hands are necessary, each left hand keeps the tissue on the stretch with artery forceps, one right hand planes off the epithelium with a special bent needle and the other then cuts it with scissors....

Author(s)
Radev, G.; Todorov, A.; Danov, D.
Citation
Zuchthygiene, Fortpflanzungsstorungen und Besamung der Haustiere, 1960, 4, pp 149-161
Abstract

The enormous expansion of A. I. in recent years in the German Democratic Republic (1, 446, 483 first inseminations in 1958) has made pregnancy diagnosis by veterinarians impossible. A method of assessing A. I. results other than the non-return method is proposed, called " herd analysis ". This...

Author(s)
JENICHEN, W.; ZELFEL, S.
Citation
Tierzucht, 1959, 13, pp 158-163
Abstract

Although this book was published in 1949 the text was prepared a few years before and the preface is dated "1947". An extensive list of references covers the period up to 1946.
This is not intended as a textbook but rather as a guide and stimulus to further investigation and as such it naturally...

Author(s)
GÖTZE, R.
Publisher
Hannover: M. & H. Schaper.,
Citation
Besamung und Unfrucht barkeit der Haussaugetiere., 1949, pp xii + 613 pp.
Abstract

AN account is given of the development of artificial Insemination in Austria as exemplified by the establishment and growth of A. I. stations at Jormannsdorf (1937), Pettenbach (1944), Möllbrücken (1944), Perg (1946), Naarn (1946), Schwertberg (1946), and other centres. The Jormannsdorf station was ...

Author(s)
DIERNHOFER, K.
Citation
Wiener Tierarztliche Monatsschrift, 1947, 34, pp 88-98
Abstract

The place of artificial insemination in the German breeding policy is discussed [see also GÖTZE- V.B. 13. 105]. Since 1942 the method has Been given trial under practical conditions at centres in N.W. Germany. The work at these centres is described in detail and, in the case of horses and goats,...

Author(s)
GOTZE, R.; ROSENBERGER, G.
Citation
Deutsche Tierarztliche Wochenschrift, 1944, 52, pp 117-121
Abstract

FOR economic and genetical reasons the application of artificial insemination to goat breeding would be particularly advantageous. The number of bucks could be reduced and numerous separate service stations replaced by a central insemination centre, thus saving time, food, and labour. 20-25% of all ...

Author(s)
ROSENBERGER, G.
Citation
Deutsche Tierarztliche Wochenschrift, 1944, 52/50, pp 121-127

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