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Animal Science Database

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Abstract

229. ACKERT, J. E., PRATT, I., and FREEMAN, A. E. (Jr.). Resistant and susceptible groups of White Leghorn chickens to the nematode Ascaridia lineata (Schneider). 111. AGERSBORG, H. P. K. Science in fish culture. I. With special reference to its needs. 48. ALLEN, E., SMITH, G. M., and GARDNER, W....

Citation
Anatomical Record, 1936, 67, Suppl. 1, pp 31-130
Abstract

ASTWOOD, E. B. Induction of deciduomata in rats by means of progesterone: 4-5. BLOUNT, R. F. The question of developmental dependence for the hypophysis upon the brain: 7-8. BOLING, J. L., WILSON, J. G., and FISH, W. R. The maternal ovaries and sexual behaviour of the young and the mother at...

Citation
Anatomical Record, 1939, 73, Suppl. No. 2, pp 1-77
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

THE results were obtained at various times during 1934-41 on dairy cows (mostly Holstein-Friesian) and calves (17-117 days old) injected with unfractionated, follicle-stimulating, or luteinising extracts of sheep and cattle AP. Preliminary experiments with 26 calves injected subcutaneously...

Author(s)
CASIDA, L. E.; MEYER, R. K.; McSHAN, W. H.; WISNICKY, W.
Citation
American Journal of Veterinary Research, 1943, 4, pp 76-94
Abstract

THE data were obtained from 215 ♀ albinos of Wistar extraction. Vaginal introitus occurred from 459 hrs. before to 72 after the onset of heat as determined by the response to manual manipulation; in the majority of animals it occurred between 48 hrs. before and 12 hrs. after. The av. age of onset...

Author(s)
BLANDAU, R. J.; MONEY, W. L.
Citation
Anatomical Record, 1943, 86, pp 197-215
Abstract

No significant breed or seasonal differences were found for length of oestrus and time of ovulation after end of oestrus among Ayrshires, Guernseys, Jerseys and Holsteins.
Duration of oestrus of 17.8 hrs. for 86 cows was significantly longer than the average of 15.3 hrs. for 46 heifers. The cows ...

Author(s)
TRIMBERGER, G. W.
Citation
Research Bulletin. Nebraska Agricultural Experiment Station, 1948, 153, pp 26 pp.
Abstract

A PRELIMINARY report of the 1st series of experiments has already been abstracted [see A. B. A., 17, No. 972]. A single intravenous injection of unfractionated sheep pituitary extract was given to groups of gilts (18 Chester Whites and 9 Poland-Chinas) on the 6th day of the luteal phase, or on the...

Author(s)
TANABE, T. Y.; WARNICK, A. C.; CASIDA, L. E.; GRUMMER, R. H.
Citation
Journal of Animal Science, 1949, 8, pp 550-557
Abstract

When injections of 2, 000 I.U. of P.M.S. (pregnant mare's serum) were given intramuscularly to sows during the luteal phase of the cycle, the effect was found to be largely if not solely follicle stimulating. Service of these animals confirmed that the semen is deposited into the uterus at this...

Author(s)
TANABE, T. Y.; WARNICK, A. C.; CASIDA, L. E.; GRUMMER, R. H.
Citation
Journal of Animal Science, 1949, 8, pp 550-557
Abstract

THE av. age at which 41 Holstein-Friesian cows reached sexual maturity was 9.6 mths., when live weight averaged 239.4 kg. The av. length of the oestrous cycle in the case of 1134 Holstein cows was 22.5 days. The first post-partum oestrus (based on data for 123 cows) occurred 58.3 days after...

Author(s)
MASUDA, S.; ONISHI, N.; KUDO, A.
Citation
Research Bulletin. zootech. Exp. Stn., 1950, 56,
Abstract

ALEXANDER, M. H. A study of the inheritance of persistency in milk production: 375.ALEXANDER, M. H. Length of gestation in the five major breeds of dairy cattle: 377-378.ALMQUIST, J. O., and PRINCE, P. W. The effect of a combination of penicillin, streptomycin and sulfanilamide upon the fertility...

Citation
Journal of Dairy Science, 1950, 33, pp 375-412

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