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Abstract

The effect of uterine AI with a standard dose of spermatozoa on fertility of the sow was studied in a field trial. The trial involved a sow pool system with 440 sows using AI as the primary method of breeding. Sows were twice a day checked for oestrus symptoms by back pressure test in front of a...

Author(s)
Peltoniemi, O. A. T.; Alm, K.; Andersson, M.
Publisher
Blackwell Publishing, Berlin, Germany
Citation
Reproduction in Domestic Animals, 2009, 44, 3, pp 414-418
Abstract

During 1959, 227 bulls, 18 boars, 6 stallions, 231 cows and heifers, 65 mares and 22 sows were examined for fertility. The main causes of infertility are indicated. White heifer disease was diagnosed in 7 out of 43 ♂ offspring (aged 12-22 mths. ) of 1 almost completely white bull whose dam belonged ...

Citation
Vlaams Diergeneeskundig Tijdschrift, 1960, 29, pp 54-64
Abstract

Written from a strictly practical stand-point, this book summarizes experiments and results obtained at the Physiological Laboratory of the Ail-Union Institute for Horse Breeding and the Institute for Artificial Insemination in Livestock.
Chapter 1 outlines the scope and advantages of artificial ...

Author(s)
PARSHUTIN, G. V.; SKATKIN, P. N.
Publisher
Moscow : Sel'khozgiz,
Citation
Iskusstvennoe osemenenie i sluchka loshadei., 1944, pp 96 pp.
Abstract

An investigation was made into breeding efficiency of dairy cattle served either by natural mating or artificial insemination. Approximately 18% returned to service within 28 days and approx. 25% after 28 days. This occurred when either method of mating was employed. This delay in returning or...

Author(s)
STEWART, D. L.
Citation
Veterinary Record, 1952, 64, pp 303-308
Abstract

I & II. Sterility in mares is generally the result of metritis. In the study of the onset of urogenital disorder, it is essential to differentiate between early symptoms of disease and of oestrum. The appearance of the genital tract during oestrum is described. When infection is suspected, it is...

Author(s)
PETERS.
Citation
Berl. tierarztl. Wschr., 1934, 50, pp 474-476
Abstract

I & II. Sterility in mares is generally the result of metritis. In the study of the onset of urogenital disorder, it is essential to differentiate between early symptoms of disease and of oestrum. The appearance of the genital tract during oestrum is described. When infection is suspected, it is...

Author(s)
PETERS.
Citation
Deutsche Tierarztliche Wochenschrift, 1934, 42, pp 438
Abstract

II. The report of the Chief Veterinary Research Officer includes information on the activities at the Naivasha Experimental Station. The calving interval in the herd was 15 months; the smallest calving percentage was recorded in May-June. Of the services of bulls on the Station Farm 62.8% were...

Publisher
Nairobi: Govt. Printer.,
Citation
Department of Agriculture Annual Report 1936., 1937, 2, pp 101 pp.
Abstract

A development in connexion with departmental reorganization was the establishment of an Agricultural Research Administration in which the Bureau of Animal Industry was grouped with other bureaux having related interests [see V. B. 13. 344, abst. 2307], Active support of the nation's wartime...

Author(s)
MOHLER, J. R.
Publisher
Washington, D.C. : Superintendent of Documents.,
Citation
United States Department of Agriculture, Agricultural Research Administration. Report of the Chief of the Bureau of Animal Industry, 1942., 1942, pp 46 pp.
Abstract

GENERAL.-The year's activities were carried out under the direction of JOHN R. MOHLER, Chief of the Bureau, who retired on July 31st, 1943
Research work was directed mainly to problems connected with the national war effort, viz, nutritional problems, substitute feeds, dehydration of meats, and...

Author(s)
MILLER, A. W.
Publisher
Washington, D.C. : Govt. Printing Off.,
Citation
Report oi the Chief of the Bureau of Animal Industry, Agricultural Research Administration, 1943., 1944, pp 48 pp.
Abstract

DELAWARE, 1940-41.
In work on ROCKY MOUNTAIN SPOTTED FEVER rodent trapping was carried out to ascertain the host relationships of the immature forms of Dermacentor variabilis. The meadow mouse, Microtus sp., is a common host. Other rodents had very few of these ticks. Adult D. variabilis infested...

Citation
Reports of Agricultural Experiment Stations, U.S.A. Details of the titles of these reports and of relevant papers contained in them will be found in Index Veterinanus.,

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