Increasing 12 h of intravaginal device permanence allows greater estrus synchrony but lower pregnancy rates in artificially inseminated acyclic dairy goats.

PAULA, C. J. C. de; SOUZA-FABJAN, J. M. G.; PINHEIRO, J. B. S.; GONÇALVES, J. D.; DIAS, J. H.; OLIVEIRA, M. E. F.; FONSECA, J. F. da; CLEBER JONAS CARVALHO DE PAULA, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; JOANNA MARIA GONÇALVES SOUZA-FABJAN, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; JASMINE BANTIM SOUZA PINHEIRO, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; JOEDSON DANTAS GONÇALVES, Universidade Estadual Paulista (Unesp) - Jaboticabal, SP, Brazil; JENNIFFER HAUSCHILD DIAS, Universidade Federal de Viçosa (UFV) - Viçosa, MG, Brazil; MARIA EMILIA FRANCO OLIVEIRA, Universidade Estadual Paulista (Unesp) - Jaboticabal, SP, Brazil; JEFERSON FERREIRA DA FONSECA, CNPC.

Increasing 12 h of intravaginal device permanence allows greater estrus synchrony but lower pregnancy rates in artificially inseminated acyclic dairy goats.

This study assessed in dairy goats the effect of hormonal induction treatments varying only 12 h in progestogen device permanence on estrus synchrony and fertility. In both Experiments, goats received 60 mg of medroxyprogesterone acetate (MAP) intravaginal devices for 6 (G6) or 6.5 d (G6.5), and 200 IU of eCG i.m. and 30 ?g of d?cloprostenol were i.m. applied at 24 h or 36 h before device removal, respectively. In Experiment 1 (n = 24), data related to sexual behavior and ovarian ultrasonography were recorded and, in Experiment 2, (n = 83) fertility was assessed after Flexible Time Artificial Insemination (FxTAI). In conclusion, increasing the time of intravaginal device permanence from 6 to 6.5 d resulted in greater estrus synchrony, but lower fertility in dairy goats subjected to estrus induction treatment at the non?breeding season. The G6 treatment resulted in high conception rate and can be recommended to support FxTAI programs in dairy goats in the non?breeding season.

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Main Authors:	PAULA, C. J. C. de, SOUZA-FABJAN, J. M. G., PINHEIRO, J. B. S., GONÇALVES, J. D., DIAS, J. H., OLIVEIRA, M. E. F., FONSECA, J. F. da
Other Authors:	CLEBER JONAS CARVALHO DE PAULA, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; JOANNA MARIA GONÇALVES SOUZA-FABJAN, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; JASMINE BANTIM SOUZA PINHEIRO, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; JOEDSON DANTAS GONÇALVES, Universidade Estadual Paulista (Unesp) - Jaboticabal, SP, Brazil; JENNIFFER HAUSCHILD DIAS, Universidade Federal de Viçosa (UFV) - Viçosa, MG, Brazil; MARIA EMILIA FRANCO OLIVEIRA, Universidade Estadual Paulista (Unesp) - Jaboticabal, SP, Brazil; JEFERSON FERREIRA DA FONSECA, CNPC.
Format:	Anais e Proceedings de eventos biblioteca
Language:	Ingles English
Published:	2021-06-30
Subjects:	AI, Corpora Lutea, Follicular dynamics, Ultrasound, Dairy goats, Animal reproduction, Artificial insemination, Anestrus, Corpus luteum, Ultrasonography, Estrus synchronization,
Online Access:	http://www.alice.cnptia.embrapa.br/alice/handle/doc/1132673
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id	dig-alice-doc-1132673
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spelling	dig-alice-doc-11326732021-07-01T02:20:43Z Increasing 12 h of intravaginal device permanence allows greater estrus synchrony but lower pregnancy rates in artificially inseminated acyclic dairy goats. PAULA, C. J. C. de SOUZA-FABJAN, J. M. G. PINHEIRO, J. B. S. GONÇALVES, J. D. DIAS, J. H. OLIVEIRA, M. E. F. FONSECA, J. F. da CLEBER JONAS CARVALHO DE PAULA, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; JOANNA MARIA GONÇALVES SOUZA-FABJAN, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; JASMINE BANTIM SOUZA PINHEIRO, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; JOEDSON DANTAS GONÇALVES, Universidade Estadual Paulista (Unesp) - Jaboticabal, SP, Brazil; JENNIFFER HAUSCHILD DIAS, Universidade Federal de Viçosa (UFV) - Viçosa, MG, Brazil; MARIA EMILIA FRANCO OLIVEIRA, Universidade Estadual Paulista (Unesp) - Jaboticabal, SP, Brazil; JEFERSON FERREIRA DA FONSECA, CNPC. AI Corpora Lutea Follicular dynamics Ultrasound Dairy goats Animal reproduction Artificial insemination Anestrus Corpus luteum Ultrasonography Estrus synchronization This study assessed in dairy goats the effect of hormonal induction treatments varying only 12 h in progestogen device permanence on estrus synchrony and fertility. In both Experiments, goats received 60 mg of medroxyprogesterone acetate (MAP) intravaginal devices for 6 (G6) or 6.5 d (G6.5), and 200 IU of eCG i.m. and 30 ?g of d?cloprostenol were i.m. applied at 24 h or 36 h before device removal, respectively. In Experiment 1 (n = 24), data related to sexual behavior and ovarian ultrasonography were recorded and, in Experiment 2, (n = 83) fertility was assessed after Flexible Time Artificial Insemination (FxTAI). In conclusion, increasing the time of intravaginal device permanence from 6 to 6.5 d resulted in greater estrus synchrony, but lower fertility in dairy goats subjected to estrus induction treatment at the non?breeding season. The G6 treatment resulted in high conception rate and can be recommended to support FxTAI programs in dairy goats in the non?breeding season. 2021-07-01T02:20:34Z 2021-07-01T02:20:34Z 2021-06-30 2020 Anais e Proceedings de eventos Animal Reproduction, v. 17, n. 3, 2020. Edição dos Abstracts of the 34nd Annual Meeting of the Brazilian Embryo Technology Society (SBTE), 2020 (online). http://www.alice.cnptia.embrapa.br/alice/handle/doc/1132673 Ingles en openAccess
institution	EMBRAPA
collection	DSpace
country	Brasil
countrycode	BR
component	Bibliográfico
access	En linea
databasecode	dig-alice
tag	biblioteca
region	America del Sur
libraryname	Sistema de bibliotecas de EMBRAPA
language	Ingles English
topic	AI Corpora Lutea Follicular dynamics Ultrasound Dairy goats Animal reproduction Artificial insemination Anestrus Corpus luteum Ultrasonography Estrus synchronization AI Corpora Lutea Follicular dynamics Ultrasound Dairy goats Animal reproduction Artificial insemination Anestrus Corpus luteum Ultrasonography Estrus synchronization
spellingShingle	AI Corpora Lutea Follicular dynamics Ultrasound Dairy goats Animal reproduction Artificial insemination Anestrus Corpus luteum Ultrasonography Estrus synchronization AI Corpora Lutea Follicular dynamics Ultrasound Dairy goats Animal reproduction Artificial insemination Anestrus Corpus luteum Ultrasonography Estrus synchronization PAULA, C. J. C. de SOUZA-FABJAN, J. M. G. PINHEIRO, J. B. S. GONÇALVES, J. D. DIAS, J. H. OLIVEIRA, M. E. F. FONSECA, J. F. da Increasing 12 h of intravaginal device permanence allows greater estrus synchrony but lower pregnancy rates in artificially inseminated acyclic dairy goats.
description	This study assessed in dairy goats the effect of hormonal induction treatments varying only 12 h in progestogen device permanence on estrus synchrony and fertility. In both Experiments, goats received 60 mg of medroxyprogesterone acetate (MAP) intravaginal devices for 6 (G6) or 6.5 d (G6.5), and 200 IU of eCG i.m. and 30 ?g of d?cloprostenol were i.m. applied at 24 h or 36 h before device removal, respectively. In Experiment 1 (n = 24), data related to sexual behavior and ovarian ultrasonography were recorded and, in Experiment 2, (n = 83) fertility was assessed after Flexible Time Artificial Insemination (FxTAI). In conclusion, increasing the time of intravaginal device permanence from 6 to 6.5 d resulted in greater estrus synchrony, but lower fertility in dairy goats subjected to estrus induction treatment at the non?breeding season. The G6 treatment resulted in high conception rate and can be recommended to support FxTAI programs in dairy goats in the non?breeding season.
author2	CLEBER JONAS CARVALHO DE PAULA, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; JOANNA MARIA GONÇALVES SOUZA-FABJAN, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; JASMINE BANTIM SOUZA PINHEIRO, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; JOEDSON DANTAS GONÇALVES, Universidade Estadual Paulista (Unesp) - Jaboticabal, SP, Brazil; JENNIFFER HAUSCHILD DIAS, Universidade Federal de Viçosa (UFV) - Viçosa, MG, Brazil; MARIA EMILIA FRANCO OLIVEIRA, Universidade Estadual Paulista (Unesp) - Jaboticabal, SP, Brazil; JEFERSON FERREIRA DA FONSECA, CNPC.
author_facet	CLEBER JONAS CARVALHO DE PAULA, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; JOANNA MARIA GONÇALVES SOUZA-FABJAN, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; JASMINE BANTIM SOUZA PINHEIRO, Universidade Federal Fluminense (UFF) - Niterói, RJ, Brazil; JOEDSON DANTAS GONÇALVES, Universidade Estadual Paulista (Unesp) - Jaboticabal, SP, Brazil; JENNIFFER HAUSCHILD DIAS, Universidade Federal de Viçosa (UFV) - Viçosa, MG, Brazil; MARIA EMILIA FRANCO OLIVEIRA, Universidade Estadual Paulista (Unesp) - Jaboticabal, SP, Brazil; JEFERSON FERREIRA DA FONSECA, CNPC. PAULA, C. J. C. de SOUZA-FABJAN, J. M. G. PINHEIRO, J. B. S. GONÇALVES, J. D. DIAS, J. H. OLIVEIRA, M. E. F. FONSECA, J. F. da
format	Anais e Proceedings de eventos
topic_facet	AI Corpora Lutea Follicular dynamics Ultrasound Dairy goats Animal reproduction Artificial insemination Anestrus Corpus luteum Ultrasonography Estrus synchronization
author	PAULA, C. J. C. de SOUZA-FABJAN, J. M. G. PINHEIRO, J. B. S. GONÇALVES, J. D. DIAS, J. H. OLIVEIRA, M. E. F. FONSECA, J. F. da
author_sort	PAULA, C. J. C. de
title	Increasing 12 h of intravaginal device permanence allows greater estrus synchrony but lower pregnancy rates in artificially inseminated acyclic dairy goats.
title_short	Increasing 12 h of intravaginal device permanence allows greater estrus synchrony but lower pregnancy rates in artificially inseminated acyclic dairy goats.
title_full	Increasing 12 h of intravaginal device permanence allows greater estrus synchrony but lower pregnancy rates in artificially inseminated acyclic dairy goats.
title_fullStr	Increasing 12 h of intravaginal device permanence allows greater estrus synchrony but lower pregnancy rates in artificially inseminated acyclic dairy goats.
title_full_unstemmed	Increasing 12 h of intravaginal device permanence allows greater estrus synchrony but lower pregnancy rates in artificially inseminated acyclic dairy goats.
title_sort	increasing 12 h of intravaginal device permanence allows greater estrus synchrony but lower pregnancy rates in artificially inseminated acyclic dairy goats.
publishDate	2021-06-30
url	http://www.alice.cnptia.embrapa.br/alice/handle/doc/1132673
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Increasing 12 h of intravaginal device permanence allows greater estrus synchrony but lower pregnancy rates in artificially inseminated acyclic dairy goats.

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