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Bovine OPU-derived oocytes can be matured in vitro for 16-28 h with similar developmental capacity

Autor: J S, Merton, A P W, de Roos, E P C, Koenen, B A J, Roelen, P L A M, Vos, E, Mullaart, H M, Knijn

Publikováno v: Reproduction in domestic animals = Zuchthygiene. 47(6)

The aim of this study was to determine the optimal maturation culture period of ovum pick up (OPU)-derived cumulus oocytes complexes (COCs) in relation to their developmental capacity. Embryo production, embryo cryotolerance, post-transfer embryonic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::233eba71d14cf55b6ca180738a1dbc0e
https://pubmed.ncbi.nlm.nih.gov/22452628

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Effects of superovulation with oFSH and norgestomet/GnRH-controlled release of the LH surge on hormone concentrations, and yield of oocytes and embryos at specific developmental stages

Autor: H M, Knijn, W, Fokker, G C, van der Weijden, S J, Dieleman, P L A M, Vos

Publikováno v: Reproduction in domestic animals = Zuchthygiene. 47(2)

The objective of this study was to evaluate a new superovulation procedure with oFSH after temporary suppression of the endogenous LH surge by norgestomet followed by administration of GnRH, to collect bovine oocytes and embryos at specific developme

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::584e9d62550a2901c32d6337b2af5d1d
https://pubmed.ncbi.nlm.nih.gov/19090826

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Effects of oocyte maturation regimen on the relative abundance of gene transcripts in bovine blastocysts derived in vitro or in vivo

Autor: H M, Knijn, C, Wrenzycki, P J M, Hendriksen, P L A M, Vos, D, Herrmann, G C, van der Weijden, H, Niemann, S J, Dieleman

Publikováno v: Reproduction (Cambridge, England). 124(3)

Bovine embryos produced in vitro differ substantially from embryos produced in vivo in the mRNA expression patterns of genes important for development. Several factors in the in vitro production systems have profound effects on embryonic mRNA express

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::bfc0f6fcf8f081dfe3f79858f62d4035
https://pubmed.ncbi.nlm.nih.gov/12201810

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369 EFFECT OF HOLDING TIME OF RAW HOLSTEIN FRIESIAN BULL EJACULATES BEFORE SEXING ON NON-RETURN RATES AFTER 56 DAYS

Autor: M. Bakker, A. C. J. Frijters, R. Lenz, J. E. Roelfzema, H. M. Knijn, J. S. Merton

Publikováno v: Reproduction, Fertility and Development. 22:341

Flow cytometric seperation of X- and Y-chromosme-bearing sperm is the only reliable technique that has been used succesfully for commercialization of sexed semen in the dairy industry. However, sperm sexing results in lower fertility compared to conv

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7e5d0fd22899a92d39655fd991a3f878
https://doi.org/10.1071/rdv22n1ab369

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