11 research outputs found
Donor Cells at the G1 Phase Enhance Homogeneous Gene Expression Among Blastomeres in Bovine Somatic Cell Nuclear Transfer Embryos
No full textAllyl trenbolone to control estrus in gilts-effect of dose
Get PDFReplacement gilts frequently do not fit smoothly into existing breeding and farrowing schedules because time of estrus cannot be predicted. Being able to program replacement gilts into a breeding herd would improve management, so we investigated the effectiveness of a synthetic progestogen,
allyl trenbolone , to control estrus in gilts. Allyl trenbolone is not presently available to swine producers
Allyl trenbolone to control estrus in gilts -conception rate and litter size after treatment
Get PDFControl of estrus in gilts is theoretically possible by feeding a progestogen for 18 consecutive days. During the feeding period the progestogen suppresses estrus in all gilts and when withdrawn from the feed, all
animals are expected to come in heat 4 to 7 days later. To be useful, the synchronizing agent must meet two criteria: (1) it must effectively control the time of estrus, and (2) it must not adversely affect fertility. We conducted this trial to evaluate a progestogen, allyl trenbolone, with respect to these criteria. Allyl trenbolone is not presently available to swine producers
Using the Amniotic Cavity of the Developing Chick Embryo for the In Vivo Culture of Early-Stage Mammalian Embryos ,
No full textMeasurements of magnetic fields and electromagnetically driven melt flow in a physical model of a hall-héroult cell
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Changes in the distribution of mitochondria in mouse embryos blocked at the two-cell stage
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