FOLLICLE DIAMETER AT FIXED-TIME ARTIFICIAL INSEMINATION AND CONCEPTION RATE IN NELLORE COWS

Detalhes bibliográficos
Autor(a) principal: Ribeiro Filho, Antonio de L.
Data de Publicação: 2013
Outros Autores: Ferraz, Priscila Assis, Rodrigues, Alexandra Soares, Bittencourt, Thereza Cristina B. S. Calmon, Loiola, Marcus Vinícius G., Chalhoub, Marcos
Tipo de documento: Artigo
Idioma: por
Título da fonte: Ciência animal brasileira (Online)
Texto Completo: https://revistas.ufg.br/vet/article/view/19678
Resumo: The objective of this study was to evaluate the influence of the diameter of the largest follicle at the time of TAI (DFOL) on conception rate of Nellore cows submitted to TAI protocol. Therefore, 348 females were synchronized on day 0 (D0) with an intravaginal progesterone device (P4) associated with 2.0mg of estradiol benzoate intramuscularly (im). On day 8 (D8), after P4 removal, 500?g Sodium cloprostenol (im), 0.6mg of estradiol cypionate (im) and 300UI equine chorionic gonadotropin (eCG) (im) were administered. On day 10 (D10), immediately before each TAI, DFOL was measured in all animals by transrectal ultrasonography. Pregnancy diagnosis was performed 30 days after TAI by transrectal ultrasonography. Data were analyzed by SPSS (version 19) and DFOL means were compared by Student's t-test. The overall conception rate was 57.47% and DFOL overall average was 12.43±2.84mm. There were differences (P=0.0001) in the comparison of DFOL of pregnant (13.33±2.40mm) and nonpregnant (11.27±2.75mm) cows. The results showed a positive effect of DFOL on fertility of cows submitted to synchronization protocol.KEYWORDS: Artificial insemination; cattle; synchronization. 
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spelling FOLLICLE DIAMETER AT FIXED-TIME ARTIFICIAL INSEMINATION AND CONCEPTION RATE IN NELLORE COWSDIÂMETRO DO FOLÍCULO NO MOMENTO DA INSEMINAÇÃO ARTIFICIAL EM TEMPO FIXO E TAXA DE CONCEPÇÃO EM VACAS NELOREAnimal reproductionBovinosinseminação artificialsincronização.The objective of this study was to evaluate the influence of the diameter of the largest follicle at the time of TAI (DFOL) on conception rate of Nellore cows submitted to TAI protocol. Therefore, 348 females were synchronized on day 0 (D0) with an intravaginal progesterone device (P4) associated with 2.0mg of estradiol benzoate intramuscularly (im). On day 8 (D8), after P4 removal, 500?g Sodium cloprostenol (im), 0.6mg of estradiol cypionate (im) and 300UI equine chorionic gonadotropin (eCG) (im) were administered. On day 10 (D10), immediately before each TAI, DFOL was measured in all animals by transrectal ultrasonography. Pregnancy diagnosis was performed 30 days after TAI by transrectal ultrasonography. Data were analyzed by SPSS (version 19) and DFOL means were compared by Student's t-test. The overall conception rate was 57.47% and DFOL overall average was 12.43±2.84mm. There were differences (P=0.0001) in the comparison of DFOL of pregnant (13.33±2.40mm) and nonpregnant (11.27±2.75mm) cows. The results showed a positive effect of DFOL on fertility of cows submitted to synchronization protocol.KEYWORDS: Artificial insemination; cattle; synchronization. Objetivou-se avaliar a influência do diâmetro do maior folículo no momento da IATF (DFOL) sobre a taxa de concepção de fêmeas Nelore submetidas ao protocolo de IATF. Para tanto, foram sincronizadas 348 fêmeas no dia 0 (D0) com um dispositivo intravaginal de progesterona (P4) associado a 2,0mg de benzoato de estradiol por via intramuscular (im). No dia 8 (D8), após a retirada da P4, administrou-se 500?g de Cloprostenol Sódico im, 0,6mg de cipionato de estradiol im e 300UI de gonadotrofina coriônica equina (eCG) im. No dia 10 (D10), antes de cada IATF, mensurou-se o DFOL de todos os animais por ultrassonografia transretal. O diagnóstico de gestação foi realizado 30 dias após a IATF por ultrassonografia transretal. Os dados foram avaliados pelo pacote estatístico SPSS (versão 19) e as médias do DFOL foram comparadas pelo teste t de Student. A taxa de concepção geral foi de 57,47% e a média geral do DFOL foi de 12,43±2,84mm. Houve diferença (P=0,0001) na comparação do DFOL entre as fêmeas gestantes (13,33±2,40mm) e as fêmeas não gestantes (11,27±2,75mm). Os resultados demonstram um efeito positivo do DFOL sobre a fertilidade de vacas Nelore submetidas a um protocolo de sincronização.PALAVRAS-CHAVE: Bovinos; inseminação artificial; sincronização. Universidade Federal de Goiás2013-12-17info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionresearchAvaliado por paresPequisa Científicaapplication/pdftext/htmlhttps://revistas.ufg.br/vet/article/view/1967810.5216/cab.v14i4.19678Brazilian Animal Science/ Ciência Animal Brasileira; Vol. 14 No. 4 (2013); 501-507Ciência Animal Brasileira / Brazilian Animal Science; v. 14 n. 4 (2013); 501-5071809-68911518-2797reponame:Ciência animal brasileira (Online)instname:Universidade Federal de Goiás (UFG)instacron:UFGporhttps://revistas.ufg.br/vet/article/view/19678/15646https://revistas.ufg.br/vet/article/view/19678/15647Ribeiro Filho, Antonio de L.Ferraz, Priscila AssisRodrigues, Alexandra SoaresBittencourt, Thereza Cristina B. S. CalmonLoiola, Marcus Vinícius G.Chalhoub, Marcosinfo:eu-repo/semantics/openAccess2013-12-17T13:26:53Zoai:ojs.revistas.ufg.br:article/19678Revistahttps://revistas.ufg.br/vetPUBhttps://revistas.ufg.br/vet/oai||revistacab@gmail.com1809-68911518-2797opendoar:2024-05-21T19:55:55.372641Ciência animal brasileira (Online) - Universidade Federal de Goiás (UFG)true
dc.title.none.fl_str_mv FOLLICLE DIAMETER AT FIXED-TIME ARTIFICIAL INSEMINATION AND CONCEPTION RATE IN NELLORE COWS
DIÂMETRO DO FOLÍCULO NO MOMENTO DA INSEMINAÇÃO ARTIFICIAL EM TEMPO FIXO E TAXA DE CONCEPÇÃO EM VACAS NELORE
title FOLLICLE DIAMETER AT FIXED-TIME ARTIFICIAL INSEMINATION AND CONCEPTION RATE IN NELLORE COWS
spellingShingle FOLLICLE DIAMETER AT FIXED-TIME ARTIFICIAL INSEMINATION AND CONCEPTION RATE IN NELLORE COWS
Ribeiro Filho, Antonio de L.
Animal reproduction
Bovinos
inseminação artificial
sincronização.
title_short FOLLICLE DIAMETER AT FIXED-TIME ARTIFICIAL INSEMINATION AND CONCEPTION RATE IN NELLORE COWS
title_full FOLLICLE DIAMETER AT FIXED-TIME ARTIFICIAL INSEMINATION AND CONCEPTION RATE IN NELLORE COWS
title_fullStr FOLLICLE DIAMETER AT FIXED-TIME ARTIFICIAL INSEMINATION AND CONCEPTION RATE IN NELLORE COWS
title_full_unstemmed FOLLICLE DIAMETER AT FIXED-TIME ARTIFICIAL INSEMINATION AND CONCEPTION RATE IN NELLORE COWS
title_sort FOLLICLE DIAMETER AT FIXED-TIME ARTIFICIAL INSEMINATION AND CONCEPTION RATE IN NELLORE COWS
author Ribeiro Filho, Antonio de L.
author_facet Ribeiro Filho, Antonio de L.
Ferraz, Priscila Assis
Rodrigues, Alexandra Soares
Bittencourt, Thereza Cristina B. S. Calmon
Loiola, Marcus Vinícius G.
Chalhoub, Marcos
author_role author
author2 Ferraz, Priscila Assis
Rodrigues, Alexandra Soares
Bittencourt, Thereza Cristina B. S. Calmon
Loiola, Marcus Vinícius G.
Chalhoub, Marcos
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Ribeiro Filho, Antonio de L.
Ferraz, Priscila Assis
Rodrigues, Alexandra Soares
Bittencourt, Thereza Cristina B. S. Calmon
Loiola, Marcus Vinícius G.
Chalhoub, Marcos
dc.subject.por.fl_str_mv Animal reproduction
Bovinos
inseminação artificial
sincronização.
topic Animal reproduction
Bovinos
inseminação artificial
sincronização.
description The objective of this study was to evaluate the influence of the diameter of the largest follicle at the time of TAI (DFOL) on conception rate of Nellore cows submitted to TAI protocol. Therefore, 348 females were synchronized on day 0 (D0) with an intravaginal progesterone device (P4) associated with 2.0mg of estradiol benzoate intramuscularly (im). On day 8 (D8), after P4 removal, 500?g Sodium cloprostenol (im), 0.6mg of estradiol cypionate (im) and 300UI equine chorionic gonadotropin (eCG) (im) were administered. On day 10 (D10), immediately before each TAI, DFOL was measured in all animals by transrectal ultrasonography. Pregnancy diagnosis was performed 30 days after TAI by transrectal ultrasonography. Data were analyzed by SPSS (version 19) and DFOL means were compared by Student's t-test. The overall conception rate was 57.47% and DFOL overall average was 12.43±2.84mm. There were differences (P=0.0001) in the comparison of DFOL of pregnant (13.33±2.40mm) and nonpregnant (11.27±2.75mm) cows. The results showed a positive effect of DFOL on fertility of cows submitted to synchronization protocol.KEYWORDS: Artificial insemination; cattle; synchronization. 
publishDate 2013
dc.date.none.fl_str_mv 2013-12-17
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
research
Avaliado por pares
Pequisa Científica
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://revistas.ufg.br/vet/article/view/19678
10.5216/cab.v14i4.19678
url https://revistas.ufg.br/vet/article/view/19678
identifier_str_mv 10.5216/cab.v14i4.19678
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://revistas.ufg.br/vet/article/view/19678/15646
https://revistas.ufg.br/vet/article/view/19678/15647
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
text/html
dc.publisher.none.fl_str_mv Universidade Federal de Goiás
publisher.none.fl_str_mv Universidade Federal de Goiás
dc.source.none.fl_str_mv Brazilian Animal Science/ Ciência Animal Brasileira; Vol. 14 No. 4 (2013); 501-507
Ciência Animal Brasileira / Brazilian Animal Science; v. 14 n. 4 (2013); 501-507
1809-6891
1518-2797
reponame:Ciência animal brasileira (Online)
instname:Universidade Federal de Goiás (UFG)
instacron:UFG
instname_str Universidade Federal de Goiás (UFG)
instacron_str UFG
institution UFG
reponame_str Ciência animal brasileira (Online)
collection Ciência animal brasileira (Online)
repository.name.fl_str_mv Ciência animal brasileira (Online) - Universidade Federal de Goiás (UFG)
repository.mail.fl_str_mv ||revistacab@gmail.com
_version_ 1799874787738124288

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