Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/579320
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dc.contributor.authorSUDANO, M. J.pt_BR
dc.contributor.authorPASCHOAL, D. M.pt_BR
dc.contributor.authorFALA, A. M.pt_BR
dc.contributor.authorOLIVEIRA, C. A.pt_BR
dc.contributor.authorLANDIM-ALVARENGA, F. C.pt_BR
dc.contributor.authorMACHADO, R.pt_BR
dc.date.accessioned2011-07-22T01:06:26Z-
dc.date.available2011-07-22T01:06:26Z-
dc.date.created2010-01-04pt_BR
dc.date.issued2008pt_BR
dc.identifier.citationAnimal Reproduction, v. 6, n. 1, p. 268, jan./mar. 2009.pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/579320pt_BR
dc.descriptionThe re-utilization of progestin implants is an alternative to reduce costs in protocols to induce ovulation in cows. The objective of this study was to evaluatethe re-utilization ofnotgestomet implants in Nelore cows superovulated with eCG. The methodology proposedaimed the reduction of costs with supe~:bvulationprotocols in Nelore embryo transfer programs. [il Materials and Methods: The experimentwas performed at Embrapa experimentalfarm, located in Sao Carlos in the southeastof Brazil. Eight Nelore cows (Bos tourus indicus) were randomly distributed in two experimentalgroups. Group 1: On DO,a random day of the estrus cycle, half of the cows receiveda new norgestometimplant (Crestar@,1ntervet)and 2 mg 1M of estradiol benzoate (BE) (Estrogin@,Farmavet)and Group 2: On DOthe other half received 2 norgestomet implants, which were used before during 8 days,and also 2 mg of BE. On D4 cows from both groupsreceivedone single dose of2000 ill ofeCG (FoUigon@,Intervet). On D6 two dosesofPGF2a(150 /.lg) (Sincrocio@,Ourofmo) were administrated.The implants were removed 36 hours after the first PGFzaand 12.5mg ofLH 1M (Lutropin-V@, Bioniche) was administered 48 hours after the PGFza.The cows were artificially inseminated12 to 24 hours after LH injection with semenfrom just one bull. The number of follicles with ability to ovulate was estimatedthrough transrectal ultrasonography(MINDRA Y DP 3300) at the moment of LH administration(D8) and the ovulationrate was estimated on D15. The cows were flushed on D15 and blood samples were collected for progesterone radioimunoassay using LDH from FMVZ-USP. The results were analyzed through unpaired t Test and Fisher's Exact Test with a significant level of 5% (P < 0.05).eng
dc.language.isoengpt_BR
dc.rightsopenAccesspt_BR
dc.titleRe-utilization of norgestomet implants in superovulated nelore cows.pt_BR
dc.typeResumo em anais e proceedingspt_BR
dc.date.updated2011-07-22T01:06:26Zpt_BR
dc.subject.thesagroGado de Cortept_BR
dc.subject.thesagroGado Nelorept_BR
dc.subject.nalthesaurusnorgestometpt_BR
riaa.ainfo.id579320pt_BR
riaa.ainfo.lastupdate2011-07-21pt_BR
dc.contributor.institutionM. J. SUDANO, UNESP - BOTUCATUpt_BR
dc.contributor.institutionD. M. PASCHOAL, UNESP - BOTUCATUeng
dc.contributor.institutionANGELA MARIA FALA, UNICEP-SÃO CARLOS, SPeng
dc.contributor.institutionC. A. OLIVEIRA, VRA, FMVZ-USP, SÃO PAULOeng
dc.contributor.institutionF. C. LANDIM ALVARENGA, UNESP-BOTUCATUeng
dc.contributor.institutionRUI MACHADO, CPPSE.eng
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