Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 6 of 6 for “"fresh semen"”.
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Strategies to improve artificial insemination by donor
… The introduction of quarantined, cryopreserved semen and the associated reduction in cycle fecundity when compared to fresh semen necessitated the development of strategies to improve the performance of frozen sperm. A prospective randomised clinical trail was undertaken in the Reproductive …
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Cervical artificial insemination in sheep
Results are reported from a fresh semen cervical artificial insemination trial in April 1989 at the Lincoln College Research Farm. One hundred and ninety Coopworth ewes were inseminated over 5 days. Semen was collected twice daily from four Dorset Down rams using an artifical vagina (A.V.). …
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Evaluation of the impact of reproductive technologies on the genetic improvement and profit of pig production systems
… The impact of artificial insemination technique, semen preparation, and selection for semen traits on profitability and complementary financial indicators was evaluated under a comprehensive range of productive and reproductive circumstances. Net profit was 2.2% to 2.6% higher in intra-uterine and …
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Effect of high and low dosage of fresh and frozen semen on accessory sperm number, fertility and embryo quality in artificially inseminated cattle
… was designed to : 1) Determine the effects of fresh vs frozen semen at a high inseminate dosage (lOOxl06sperm) contrasted to their effects at a conventional dosage (20xl06 sperm) on accessory sperm per ovum and 2) Evaluate the relationship between accessory sperm number per embry%vum and …
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Evaluierung durchflusszytometrischer Verfahren zur Beurteilung der Qualität von kryokonserviertem Hengstsperma
… were carried out both immediately after the semen samples were thawed and after a three-hour period of incubation at 37 C with SYBR® 14, JC-1 and SYTO® 17 / propidium iodide / FITC-PNA and a sperm chromatin structure analysis (SCSA™) and were then evaluated. The sperm quality parameters …
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Impact of an artificial insemination programme on reproductive efficacy and the cross-breeding if indigenous South African goats with Boer goats in Vhembe District
… value in TEY at 96 h. In experiment 2, Boer goat semen was cryopreserved at -196 °C for 7 days in Tris extender-based bovine amniotic fluid and replicated 12 times. The semen samples were loaded into 0.25 ml France straws, sealed, and cooled at 5 °C for 4 h to equilibrate. After equilibration, the …