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Abstract

THE first artificial breeding unit of the New Jersey Holstein-Friesian Cooperative Association was started in 1938, and since that time cooperative artificial insemination has been adopted by 12 other states. The authors carried out field experiments in order to adjust certain inadequacies of the...

Author(s)
HAMILTON, J. G.; SYMINGTON, E. L.
Citation
Canadian Journal of Comparative Medicine, 1939, 3, pp 337-340
Abstract

ARNOLD, F. Utilization of proved sires and sons of proved sires: 578-579. At present only about 1 sire out of 8 is alive when proved and worthy of further use. There is little chance of increasing the use of proved sires except through their sons, or through programmes designed to prove bulls at an ...

Citation
Journal of Dairy Science, 1940, 23, pp 473-586
Abstract

Ass: breeding jacks for mule production; data on reproduction and growth. Cattle: proving of Holstein and Jersey sires. Sheep: effect of gonadotropins on lambing; lamb production by native, mountain, and Montana ewes X purebred mutton rams. Poultry: effect of nutrition on sperm production and...

Publisher
Knoxville, Tenn. : University of Tennessee Agricultural Experiment Station,
Citation
Fifty-third Annual Report of the Agricultural Experiment Station of the University of Tennessee, for 1940., 1941, pp 110 pp.
Abstract

Cattle: Advanced Registry and D.H.I.A. tests; local artificial insemination associations combined in one co-operative association with 20 Holstein and 10 Guernsey bulls giving semen for over 14, 000 cows; dairy herd replacements; physiology of lactation; hormones and sterility; sperm storage, semen ...

Publisher
New York: Cornell University.,
Citation
Fifty-fourth Annual Report of the New York State College of Agriculture and of the Cornell University Agricultural Experiment Station for the year 1940-41. C. E. Ladd., 1942, pp 202 pp.
Abstract

THE first in Germany to do so, the bull keeping association of Pinneberg (Holstein) adopted artificial insemination on a large scale on 1st June. The author does not admit that the method is essential in German livestock breeding in view of the large numbers of good sires available. From a...

Author(s)
GOERTTLER, G.
Citation
Deutsche Landwirtschaftliche Tierzucht, 1942, 46, pp 317-320
Abstract

KEEPING of small stock (especially goats and rabbits) should be encouraged in order to increase the consumption of animal products; mixed farming should be developed. The Agricultural Society of Trinidad and Tobago should develop systems of pedigree registration with recording for cattle and goats. ...

Publisher
Trinidad and Tobago : A. L. Rhodes, Govt. Printer.,
Citation
Report of the Agricultural Policy Committee of Trinidad and Tobago. (Part I.)., 1943, Pt. I, pp 142 pp.
Abstract

KEEPING of small stock (especially goats and rabbits) should be encouraged in order to increase the consumption of animal products; mixed farming should be developed. The Agricultural Society of Trinidad and Tobago should develop systems of pedigree registration with recording for cattle and goats. ...

Publisher
Trinidad and Tobago : A. L. Rhodes, Govt. Printer.,
Citation
Report of the Agricultural Policy Committee of Trinidad and Tobago. (Part II.)., 1943, Pt. II, pp 56 pp.
Abstract

SEMEN samples from 2 Holstein bulls (King and Pathfinder), each with a fresh sperm motility count of 90, were divided into 2 portions, 1 portion being diluted 1: 4 (King) or 1: 3 (Pathfinder) with University of Illinois chick embryo dilutor and the other with 1: 4 phosphate egg yolk buffer. The...

Author(s)
LICHTY, D. L.
Citation
Journal of the American Veterinary Medical Association, 1943, 103, pp 99-101
Abstract

II. A report is given of the proceedings of the first annual meeting of the Pinneberg (Holstein) cattle breeding society. The results of artificial inseminations are reported. An address by a Danish veterinarian dealing with artificial insemination and control of infertility in Denmark is...

Author(s)
GÖTZE, R.
Citation
Deutsche Tierarztliche Wochenschrift, 1943, 51/49, pp 142-144
Abstract

Dairy Cattle: induction of lactation by diethylstilboestrol; effect of vitamin A deficiency on sexual function of bull; inbreeding Holsteins discontinued after 30 yrs. since effects were uniformly deleterious; proved-sire system of breeding has improved production of Holstein and Jersey herds by...

Publisher
Washington, D.C. : U.S. Govt. Printing Office.,
Citation
Department of Agriculture. Report of the Chief of the Bureau of Dairy Industry, Agricultural Research Administration, 1943., 1944, pp 24 pp.

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