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Animal Science Database

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Abstract

To evaluate the effects of a polyunsaturated fatty acids (PUFA) supplement on reproductive parameters of suckled beef cows, two experiments were conducted. In Experiment (Exp.) 1, 60 primiparous cows were randomly assigned to one of two treatments: CTRL - 1.36 kg/day of corn gluten feed (CGF) and...

Author(s)
Fontes, P. L. P.; Henry, D. D.; Ciriaco, F. M.; Oosthuizen, N.; Cooke, R. F.; Mercadante, V. R. G.; DiLorenzo, N.; Lamb, G. C.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Animal, 2019, 13, 2, pp 349-357
Abstract

Cows (n=188; average initial BW=579±54 kg) were stratified by BCS and BW and assigned to 3 supplementation treatments: whole raw soybeans (21.6% fat), whole fuzzy cottonseed (21.7% fat), or a 50:50 mixture of ground corn and soybean meal (2.6% fat; i.e., the control supplement). Supplements were...

Author(s)
Thomas, M. D.; Olson, K. C.; Stevenson, J. S.; Jaeger, J. R.; Bolte, J. W.; Sproul, N. A.; Linden, D. A.; Pacheco, L. A.
Publisher
American Registry of Professional Animal Scientists (ARPAS), Illinois, USA
Citation
Professional Animal Scientist, 2009, 25, 1, pp 41-48
Abstract

Phytoestrogens acting as endocrine disruptors may induce various pathologies in the female reproductive tract. The purpose of this study was to determine whether phytoestrogens present in the soyabean and/or their metabolites are detectable in the plasma of cows fed a diet rich in soya and whether...

Author(s)
Woclawek-Potocka, I.; Bah, M. M.; Korzekwa, A.; Piskula, M. K.; Wiczkowski, W.; Depta, A.; Skarzynski, D. J.
Publisher
Society for Experimental Biology and Medicine, Maywood, USA
Citation
Experimental Biology and Medicine, 2005, 230, 3, pp 189-199
Abstract

Early weaning and once-daily suckling as options for shortening postpartum interval to oestrus in primiparous cows calving in good body condition were evaluated over 2 consecutive years. 77 primiparous cows (year 1, n = 34; year 2, n = 43) were assigned to control (ad lib. suckling), once-daily...

Author(s)
Bell, D. J.; Spitzer, J. C.; Burns, G. L.
Citation
Theriogenology, 1998, 50, 5, pp 707-715
Abstract

Three methods of regulating the oestrous cycle in Hereford cattle were studied in 3 separate trials. In Trial I an attempt was made to bring 27 Hereford heifers into oestrus during a target period of 3 days by altering the naturally occurring cycles, where necessary, by recycling by means of...

Author(s)
HANSEL, W.; MALVEN, P. V.; BLACK, D. L.
Citation
Journal of Animal Science, 1961, 20, pp 621-625

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