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Animal Science Database

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Abstract

Effects of phytoestrogen isoflavones in Berseem clover on hormonal balance during early pregnancy and fertility of heifers were studied. Holstein heifers (n=26) were divided into two equal homogenous groups. Heifers in the first group (Clover-fed group) were fed Egyptian clover (Trifolium...

Author(s)
Hashem, N. M.; El-Azrak, K. M.; Sallam, S. M. A.
Publisher
Elsevier B. V., Amsterdam, Netherlands
Citation
Animal Reproduction Science, 2016, 170, pp 121-127
Abstract

The objectives were to determine the effects of one or three timed artificial insemination (AI) before natural service (NS) in lactating dairy cows not observed for detection of estrus on hazard of pregnancy, days nonpregnant, and 21-days cycle pregnancy rate. A total of 1050 lactating Holstein...

Author(s)
Lima, F. S.; Bisinotto, R. S.; Ribeiro, E. S.; Ayres, H.; Greco, L. F.; Galvão, K. N.; Risco, C. A.; Thatcher, W. W.; Santos, J. E. P.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2012, 77, 9, pp 1918-1927
Abstract

ALLAIRE, F. R. Another approach to the regression of yield on a contemporary yield average: 925-926.
ANDRUS, D. F., and FREEMAN, A. E. Age distribution, life expectancy, and culling practices in Iowa dairy herds: 939-940.
ARAVE, C. W., and LAMB, R. C. Effect of blood antigen, serum and milk protein ...

Citation
Journal of Dairy Science, 1969, 52, pp 879-948
Abstract

ARAVE, C. W., and LAMB, R. C. Relationship between a dairy cattle production index and genotype at the serum transferrin and four milk protein loci: 666.
ARORA, K. K., and FREEMAN, A. E. Environmental correlation between paternal half-sibs for milk and milk fat production: 655.
BATRA, T. R.,...

Citation
Journal of Dairy Science, 1970, 53, pp 631-688
Abstract

AHLSCHWEDE, W. T., and ROBISON, O. W. Influence of climatic conditions on litter size in swine: 916.
ALGEO, J. W., and GASSNER, F. X. Effect of poly-diethylstilbestrol phosphate (PSP) injected sub-cutaneously on the growth of beef cattle. I. Suckling and weanling calves: 896.
ALGEO, J. W., and...

Citation
Journal of Animal Science, 1966, 25, pp 877-933
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

ACKERMAN, R. A., and HYATT, G. (Jr. ). Prepartum II. Some effects on production of cows and growth of calves: 503. ALBRECTSEN, R. Production results of three generations of artificial breeding and of the use of analysed sires: 513-514. ALMQUIST, J. O., and THACKER, D. L. The fertility of bovine...

Citation
Journal of Dairy Science, 1951, 34, pp 475-514
Abstract

BIALY, G., and HESS, E. A. The influence of added lipoprotein on the freezing of bovine spermatozoa: 623. BRAKEL, W. J. An evaluation of the American Jersey Cattle Club star bull program: 617. BRANTON, C., GRIFFITH, W. S., PATRICK, T. E., JOHNSTON, J. E., and D'ARENSBOURG, G. F. Seasonal trends in...

Citation
Journal of Dairy Science, 1955, 38, pp 587-628
Abstract

ALSMEYER, R. H., PALMER, A. Z., KOGER, M., and KIRK, W. G. Some genetic aspects of tenderness in beef: 1137. ANDERSON, L. L., DAY, B. N., EMMERSON, M. A., HAZEL, L. N., and MELAMPY, R. M. Effect of oestrogen and progesterone on early embryonic mortality in ovariectomized gilts: 1234-1235. BAIRD, D. ...

Citation
Journal of Animal Science, 1958, 17, pp 1136-1251

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