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Efici?ncia reprodutiva em ?guas assintom?ticas portadoras de Theileria equi submetidas a um programa de transfer?ncia de embri?o. / Reproductive efficiency in mares with asymptomatic for Theileria equi undergo a program for embryo transfer.

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Previous issue date: 2011-02-10 / Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior, CAPES, Brasil. / This study aimed to evaluate the influence of babesiosis in embryo recovery rates, early
pregnancy and embryonic loss. The project was carried out in a Central Commercial Embryo
Transfer, located in the city of Itaguai, and two farms in the county of Serop?dica-RJ, using
animals from the same breed (Mangalarga Marchador). The 13 donors and 40 recipients used
in this experiment were positive for Theileria equi confirmed by nested-PCR method . Two
embryo collections were performed in donor mares in two consecutive estrous cycles (GID),
in sequence these same animals were treated with imidocarb dipropionate (1.2 mg / kg IM.) in
order to conduct two more embryo collections in two estrous cycles (GIId). The embryo
recipients were divided into two groups of 20 animals each, where one was the control group
(IRG), and the other group was treated (GIIr) with 1.2 mg / kg IM imidocarb dipropionate,
with the aim of evaluating pregnancy rate at 15, 30, 45 and 60 days. The embryo donors
mares had normal erythrocyte before and after treatment with imidocarb dipropionate.
ConcerningWBC, the embryo donors showed a decrease in the count of total leukocytes and
neutrophils after treatment and a slight increase of lymphocytes and monocytes after
treatment. The embryo recipients showed normal erythrocyte and leukocyte counts before and
after the treatment with imidocarb dipropionate. After 52 embryo collections performed,
embryo recovery rate was 53.84% (14/26) and 65.38% (17/26) ( p> 0,05) for GID and GIId
respectively. The pregnancy rate was 70% (14/20) ( p> 0,05) at 15, 30, 45 and 60 days in the
Gir and the GIIr was 85% (17/20) ( p> 0,05) at 15 days, 80% (16/20) ( p> 0,05) at 30 , 45 and
60 days. Treatment with imidocarb dipropionate did not improve significantly the
reproductive efficiency in an ET program. / Este estudo teve por objetivo avaliar a influ?ncia da babesiose nas taxas de recupera??o
embrion?ria, gesta??o e perda embrion?ria precoce. O projeto foi realizado em uma Central
Comercial de Transfer?ncia de Embri?o, situado no Munic?pio de Itagua?, e em dois haras no
munic?pio de Serop?dica- RJ. Foram utilizadas 13 doadoras e 40 receptoras de embri?o da
ra?a Mangalarga Marchador, positivas para Theileria equi atrav?s do m?todo de nested-PCR.
Nas ?guas doadoras foram realizados duas coletas de embri?es em dois ciclo estrais
consecutivos (GId), em sequ?ncia, esses mesmos animais foram tratados com dipropionato
de imidocarb (1,2 mg/kg IM.) para realiza??o de mais duas coletas de embri?es em dois ciclos
estrais (GIId). As receptoras de embri?o foram divididas em dois grupos de 20 animais cada,
onde um grupo foi o controle (GIr) e, o outro grupo, foi tratado (GIIr) com 1,2 mg/ Kg IM de
dipropionato de imidocarb, com intuito de avaliar a taxa de gesta??o aos 15, 30, 45 e 60 dias.
As ?guas doadoras apresentaram eritrograma normal antes e ap?s o tratamento com
dipropionato de imidocarb, e em rela??o ao leucograma, apresentaram diminui??o na
contagem de leuc?citos e neutr?filos totais e discreto aumento de linf?citos e mon?citos
somente ap?s o tratamento. As receptoras apresentaram eritrograma e leucograma normal
antes e ap?s o tratamento com dipropionato de imidocarb. Ap?s a realiza??o de 52 coletas de
embri?o, a taxa de recupera??o embrion?ria foi 53,84% (14/26) e 65,38% (17/26) (p> 0,05)
para GId e GIId respectivamente. A taxa de gesta??o foi de 70% (14/20) (p> 0,05) aos 15, 30,
45 e 60 dias no grupo GIr e para o GIIr foi 85% (17/20) (p> 0,05) aos 15 dias, 80% (16/20)
(p>0,05) aos 30, 45 e 60 dias. O tratamento com dipropionato de imidocarb na forma como
foi realizado n?o promoveu melhora significativa na efici?ncia reprodutiva em um programa
de TE.

Identiferoai:union.ndltd.org:IBICT/oai:localhost:jspui/2154
Date10 February 2011
CreatorsBezerra, Luciana de Lima
ContributorsJacob, J?lio Cesar Ferraz, Massard, Carlos Luiz
PublisherUniversidade Federal Rural do Rio de Janeiro, Programa de P?s-Gradua??o em Zootecnia, UFRRJ, Brasil, Instituto de Zootecnia
Source SetsIBICT Brazilian ETDs
LanguagePortuguese
Detected LanguageEnglish
Typeinfo:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/masterThesis
Formatapplication/pdf
Sourcereponame:Biblioteca Digital de Teses e Dissertações da UFRRJ, instname:Universidade Federal Rural do Rio de Janeiro, instacron:UFRRJ
Rightsinfo:eu-repo/semantics/openAccess
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