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Animal Science Database

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Abstract

The good results obtained in the improvement of livestock in the U.S.S.R. by selection and inbreeding are briefly discussed. The possible danger of such a policy is pointed out and illustrated by the case of the Mazoev breed of sheep, which was noted for length of wool. Over concentration on this...

Author(s)
MILOVANOV, V. K.; SMIRNOV-UGRYUMOV, D. V.
Publisher
Moscow : SePkhozgiz,
Citation
Osemenenie sel'skokhozyaistvennykh zhivotnykh., 1944, pp 100 pp.
Abstract

DURING Sep. -Oct. of 1945 and 1947, 2 series of A. I. trials were carried out with groups of Peppin Merino ewes, using the semen of 2 rams. Conception rates with the diluted and undiluted semen of 1 ram were 47 and 60% resp. ; with that of the other ram they were 56 and 69% resp. The av. sperm...

Author(s)
KEAST, J. C.; MORLEY, F. H. W.
Citation
Australian Veterinary Journal, 1949, 25, pp 281-287
Abstract

Six lots each consisting of 9 Broad Breasted Bronze turkey hens were artificially inseminated during the 1950 breeding season. In the first 2 lots semen was undiluted; in the other 4, a synthetic diluent containing 60 mg. % fructose was used at 0, 24, 48 and 72 hrs. after collection. Mean hatch of...

Author(s)
MORAVEC, D. F.; MUSSEHL, F. E.; PACE, D. M.
Citation
Poultry Science, 1954, 33, pp 1126-1129
Abstract

ALBRIGHT, J. L., EHLEES, M. H., and EBB, R. E., Motility of sperm in milk diluent with and without seminal plasma: 922. BALDWIN, V. L., PETERSEN, W. E., and BAYLEY, N. D., Mammary gland measurements in calves and their prediction value in herds of varying environment: 933. BARR, H. L., LUDWICK, T....

Citation
Journal of Dairy Science, 1956, 39, pp 909-946
Abstract

Author(s)
Polge, C.
Publisher
CABI Publishing, Wallingford, UK
Citation
Animal Breeding Abstracts, 1956, 24, 3, pp 209-217
Abstract

AKINS, E. L., LTJDWICK, T. M., RICKARD, H. E., RADER, E. R., and ETGEN, W. M. Association of certain type evaluations and type scores of first-lactation Holstein females: 748. ALMQTJIST, J. O., AMANN, R. P., and O'DELL, W. T. Sperm reserves of dairy bulls as determined by depletion trials and...

Citation
Journal of Dairy Science, 1958, 41, pp 701-751
Abstract

Alliston, C. W., and Ulberg, L. C. The influence of ambient temperature on early pregnancy loss as determined by embryo transfer: 1550. Anderson, D. E. The influence of environment on cancer eye in cattle: 1461-1462. Anderson, L. L., and Melampy, R. M. The effect of norethynodrel and...

Citation
Journal of Animal Science, 1959, 18, pp 1460-1568
Abstract

ANDEBSON, W. R., and FLIPSB, R. J. Origin and fatty acid composition of the glycerides in the semen of dairy bulls: 619.
ABAVE, C. W., and LABEN, R. C. Study of genetic progress in California dairy herds: 629.
BAKEB, F. N. Vital staining before Feulgen-DNA determinations on bovine spermatozoa: 636. ...

Citation
Journal of Dairy Science, 1963, 46, pp 591-650
Abstract

Data are given for the conception rates and farrowing results obtained with semen of 6 Large White boars and l Landrace. Over-all results were 68.2 % farrowed with 10.6 piglings per litter. Trials continued using I.V.T. and C.U.E. diluents on days 1-3. There was no appreciable fall in fertility...

Citation
Rep. Anim. Hlth Servs Gt Br., 1966, pp 115-119
Abstract

ABEL-AZIZ, A. S., BARR, G. R., and TYLER, W. J. Empirical analysis of models for estimating heritability: 986.
ACKERMAN, R. A., THOMAS, R. O., and BUTCHER, D. F. Effects of length of dry period on production: 976-977.
ALLAIRE, F. R. Selective value of milk yield among dairy cows: 973-974.
AEAVE, C. ...

Citation
Journal of Dairy Science, 1967, 50, pp 936-1017

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