By Heriberto Rodriguez-Martinez
As a continuation of the sooner volumes during this sequence, the complaints of the 8th foreign convention supply authoritative and up to date details on pig copy learn. This quantity, which incorporates manuscripts accompanying the state-of-the artwork lectures, the parallel classes, and the elevated abstracts, offers an authoritative and up to date resource of data on examine in pig replica. this article is a useful source for college kids, lecturers, veterinarians, animal scientists, specialists, and technologists with an curiosity in all elements of pig reproduction.
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Additional info for Control of pig reproduction 8
2007, Busso et al. 2007a). Interestingly, CRISP 2 is of testicular origin but CRISP 1 and 4 originate from the epididymis (Busso et al. 2007b). The exact way in which CRISPs are associated to the sperm surface is not yet known, although CRISP 1 is one of the abundant proteins in epididymosomes (Thimon et al. 2008). Epididymosomes are also reported to influence the lipid composition of the sperm surface (Rejraji et al. 2006). S. M. Gadella to the sperm surface in the epididymis are P47 or SED1, known to have a role in oviduct and ZP-binding (Shur et al.
Furthermore, in many cases homologous genetic recombination applications have shown that knocking out the expression of phenotypic factors that were previously believed to be essential for fertilization were found to be dispensable to this process (Okabe & Cummins 2007). This could be partly explained by the fact that biological systems contain redundancies and compensatory mechanisms and both processes are believed to play a prominent role in the evolution of gamete interaction and thus in speciation (Turner & Hoekstra 2008, Herlyn & Zischler 2008).
Long periods of storage, cryopreservation or sperm sorting by flow cytometry can have a detrimental impact on its function and fertilising ability (Maxwell et al. 1998, Maxwell & Johnson 1999, Martinez et al. 2001, 2005, Roca et al. 2004, 2006, de Graaf et al. 2008). In many cases, if not all, the ultimate objective for the practical application of sperm technologies is to obtain optimal reproductive performance. For this reason, special attention should be given to improve the functionality and fertilising ability of the treated spermatozoa.