Efeito do soro de cadela em estro na maturação in vitro de ovócitos caninos

Avaliou-se o efeito do soro de cadela em estro na maturação in vitro de ovócitos caninos, utilizando-se 92 ovócitos de cadelas, submetidas à cirurgia eletiva de ovarioisterectomia. Os ovócitos foram selecionados e distribuídos em dois tratamentos: T1 (n = 48), ovócitos cultivados in vitro durante 96...

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Published inArquivo brasileiro de medicina veterinária e zootecnia Vol. 63; no. 5; pp. 1054 - 1059
Main Authors Goretti, C.A.N, Costa, E.P, Paula, T.A.R, Macedo, G.G, Santos, G.M, Almeida Neto, J.R.M, Pereira, E.C.M
Format Journal Article
LanguageEnglish
Portuguese
Published Universidade Federal de Minas Gerais, Escola de Veterinária 01.10.2011
Universidade Federal de Minas Gerais
Subjects
cadela
cultivo de ovócito
metáfase II
VETERINARY SCIENCES
cadela
metaphase II
canine
cultivo de ovócito
metáfase II
oocyte culture
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Abstract Avaliou-se o efeito do soro de cadela em estro na maturação in vitro de ovócitos caninos, utilizando-se 92 ovócitos de cadelas, submetidas à cirurgia eletiva de ovarioisterectomia. Os ovócitos foram selecionados e distribuídos em dois tratamentos: T1 (n = 48), ovócitos cultivados in vitro durante 96 horas utilizando meio base - TCM199 + 5µg/mL de LH + 20µg/mL de FSH - mais 10% de soro inativado de vaca em estro e T2 (n = 44), ovócitos cultivados em meio base mais 10% de soro inativado de cadela em estro. O percentual de ovócitos observados em metáfase I não indicou diferenças (P>0,05) entre T1 (2,1%) e T2 (0,0%), porém a taxa de ovócitos maduros (metáfase II) foi diferente (P<0,05), sendo 27,1% em T1 e 47,7% em T2. O mesmo fato ocorreu com a taxa de cromatina condensada (P<0,01), com 14,6 e 0,0%, respectivamente. Nos ovócitos sem configuração cromossômica, não foram observadas diferenças (P>0,05), sendo 56,3% em T1 e 52,3% em T2. Estes resultados indicam que a adição de soro de cadela em estro no meio de cultivo oferece melhores condições para o desenvolvimento in vitro, quando comparado à de soro de vaca em estro.
AbstractList Avaliou-se o efeito do soro de cadela em estro na maturação in vitro de ovócitos caninos, utilizando-se 92 ovócitos de cadelas, submetidas à cirurgia eletiva de ovarioisterectomia. Os ovócitos foram selecionados e distribuídos em dois tratamentos: T1 (n = 48), ovócitos cultivados in vitro durante 96 horas utilizando meio base - TCM199 + 5µg/mL de LH + 20µg/mL de FSH - mais 10% de soro inativado de vaca em estro e T2 (n = 44), ovócitos cultivados em meio base mais 10% de soro inativado de cadela em estro. O percentual de ovócitos observados em metáfase I não indicou diferenças (P>0,05) entre T1 (2,1%) e T2 (0,0%), porém a taxa de ovócitos maduros (metáfase II) foi diferente (P<0,05), sendo 27,1% em T1 e 47,7% em T2. O mesmo fato ocorreu com a taxa de cromatina condensada (P<0,01), com 14,6 e 0,0%, respectivamente. Nos ovócitos sem configuração cromossômica, não foram observadas diferenças (P>0,05), sendo 56,3% em T1 e 52,3% em T2. Estes resultados indicam que a adição de soro de cadela em estro no meio de cultivo oferece melhores condições para o desenvolvimento in vitro, quando comparado à de soro de vaca em estro.
Author Paula, T.A.R
Macedo, G.G
Pereira, E.C.M
Goretti, C.A.N
Almeida Neto, J.R.M
Santos, G.M
Costa, E.P
AuthorAffiliation Universidade Federal de Viçosa
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Issue 5
Keywords cadela
metaphase II
canine
cultivo de ovócito
metáfase II
oocyte culture
Language English
Portuguese
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Snippet Avaliou-se o efeito do soro de cadela em estro na maturação in vitro de ovócitos caninos, utilizando-se 92 ovócitos de cadelas, submetidas à cirurgia eletiva...
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SubjectTerms cadela
cultivo de ovócito
metáfase II
VETERINARY SCIENCES
Title Efeito do soro de cadela em estro na maturação in vitro de ovócitos caninos
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