| Buffalo and cattle hybrid embryo development is decreased by caffeine treatment during in vitro fertilization. | |
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MedLine Citation:
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PMID: 12517375 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Water buffalo are renowned for difficulties in the implementation of assisted reproductive technologies, with both males and females being problematic. In this study, we used cattle oocytes to assess the effect of treatments with heparin and caffeine on buffalo spermatozoa and subsequent fertilization and embryo development in vitro. There was no significant difference between buffalo and bovine spermatozoa in the events associated with fertilization. Fertilization of cattle oocytes with buffalo spermatozoa resulted in 7.8% of oocytes developing into hybrid embryos. A difference in the developmental capability of hybrid embryos compared with the cattle control was observed. This has not been previously reported. The subsequent transfer of a limited number of hybrid embryos did not produce a viable pregnancy. However, control treatments in this experiment also failed to achieve pregnancy, so objective data is not available to provide conclusions about the developmental competence of the buffalo and cattle hybrid embryos. Optimal spermatozoa capacitation treatments achieved 61% fertilization and 21% zygote cleavage into two cell embryos. There was no significant difference in fertilization or development due to heparin or spermatozoa concentrations. However, treatment of buffalo and cattle spermatozoa with caffeine significantly decreased embryo cleavage but also tended to decrease embryo development to the blastocyst stage. These studies suggest that problems with reproduction in buffalo may reside with biological mechanisms associated with the oocyte that are often complicated by poor male reproductive performance. Selection for bull fertility would prevent some of these complications. |
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Authors:
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B G Tatham; T Feehan; R Pashen |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Theriogenology Volume: 59 ISSN: 0093-691X ISO Abbreviation: Theriogenology Publication Date: 2003 Feb |
Date Detail:
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Created Date: 2003-01-08 Completed Date: 2003-05-13 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 0421510 Medline TA: Theriogenology Country: United States |
Other Details:
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Languages: eng Pagination: 709-17 Citation Subset: IM |
Affiliation:
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Department of Natural Resources and Environment, Victorian Institute of Animal Science, 600 Sneydes Road, Werribee 3030, Vic., Australia. brendan.tatham@nre.vic.gov.au |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Animals Blastocyst / drug effects, physiology Buffaloes / embryology* Caffeine / adverse effects, pharmacology* Cattle / embryology* Embryonic and Fetal Development / drug effects* Female Fertilization in Vitro / veterinary* Heparin / pharmacology Hybrid Vigor Hybridization, Genetic Male Sperm Capacitation / drug effects Sperm-Ovum Interactions / drug effects Spermatozoa / drug effects* |
| Chemical | |
Reg. No./Substance:
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58-08-2/Caffeine; 9005-49-6/Heparin |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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