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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
01/04/2005 |
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Data da última atualização: |
01/04/2005 |
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Autoria: |
MELICAN, D.; NIMS, S.; GAVIN, W. |
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Título: |
Comparasion of follicle stimulating hormone source for superovulation in the caprine species. |
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Ano de publicação: |
2000 |
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Fonte/Imprenta: |
Theriogenology, v. 53, n. 1, p. 503, 2000. |
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Idioma: |
Inglês |
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Notas: |
Edição de proceedings Annual Conference of the International Embryo Transfer Society, Maastricht, The Netherlands, jan. 2000. |
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Conteúdo: |
The use of follicle stimulating hormone (FSH) in a superovuIatory regime is an efficient method for producing large numbers of ova per donor animal. Several injectable commercial preparations are available, including FoIltropin@ (Vetrephann, Ontario, Canada) and Ovagen@ (Immuno-Chemical Products, Auckland, New Zealand). Experiments were conducted to compare these two preparations in-season (September through January) and out-of-season (February through May) in a superovuIatory regime in the caprine species. Folltropin@ was administered twice daily at two different decreasing doses over four consecutive days (80, 60, 40 then 20 mg/day, or 64,48, 32 then 16 mg/day in-season, or 64, 48, 32 then 16 mg/day out-of-season). Ovagen@ was administered twice daily at both a decreasing (3.5, 2.6, 1.8, then 0.9 mg/day in- season) and consistent (2.6, 2.2, or 1.8 mg/day in-season, or 3.5, 3.1, 2.6 or 2.2 mg/day out-of- season) doses over four consecutive days. Ova were recovered surgically by flushing the oviducts of donor animaIs within 36 to 40 hours following the Iast FSH treatment. The number of ovulations observed, total ova and fertilized ova recovered were recorded for each treatment. Data were pooled based on FSH source and dosage regimen by season. In conclusion, Ovagen@ yielded significantly more ovulations during both defined seasons. Additionally, a trend was evident during both seasons with Ovagen@ yielding more ova compared to Folltropin@. While there were no significant differences in the numbers of fertilized ova recovered between the two FSH sources; the consistent Ovagen@ doses tended to produce more fertilized ova in-season. Finally, Ovagen@ appears to perform better when administered at a consistent versus decreasing dose for superovulation in the caprine species. MenosThe use of follicle stimulating hormone (FSH) in a superovuIatory regime is an efficient method for producing large numbers of ova per donor animal. Several injectable commercial preparations are available, including FoIltropin@ (Vetrephann, Ontario, Canada) and Ovagen@ (Immuno-Chemical Products, Auckland, New Zealand). Experiments were conducted to compare these two preparations in-season (September through January) and out-of-season (February through May) in a superovuIatory regime in the caprine species. Folltropin@ was administered twice daily at two different decreasing doses over four consecutive days (80, 60, 40 then 20 mg/day, or 64,48, 32 then 16 mg/day in-season, or 64, 48, 32 then 16 mg/day out-of-season). Ovagen@ was administered twice daily at both a decreasing (3.5, 2.6, 1.8, then 0.9 mg/day in- season) and consistent (2.6, 2.2, or 1.8 mg/day in-season, or 3.5, 3.1, 2.6 or 2.2 mg/day out-of- season) doses over four consecutive days. Ova were recovered surgically by flushing the oviducts of donor animaIs within 36 to 40 hours following the Iast FSH treatment. The number of ovulations observed, total ova and fertilized ova recovered were recorded for each treatment. Data were pooled based on FSH source and dosage regimen by season. In conclusion, Ovagen@ yielded significantly more ovulations during both defined seasons. Additionally, a trend was evident during both seasons with Ovagen@ yielding more ova compared to Folltropin@. While there were no significant dif... Mostrar Tudo |
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Palavras-Chave: |
Folículo; FSH. |
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Thesagro: |
Caprino; Endocrinologia; Hormônio; Reprodução Animal; Superovulação. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02547naa a2200241 a 4500
001 1531048
005 2005-04-01
008 2000 bl uuuu u00u1 u #d
100 1 $aMELICAN, D.
245 $aComparasion of follicle stimulating hormone source for superovulation in the caprine species.
260 $c2000
500 $aEdição de proceedings Annual Conference of the International Embryo Transfer Society, Maastricht, The Netherlands, jan. 2000.
520 $aThe use of follicle stimulating hormone (FSH) in a superovuIatory regime is an efficient method for producing large numbers of ova per donor animal. Several injectable commercial preparations are available, including FoIltropin@ (Vetrephann, Ontario, Canada) and Ovagen@ (Immuno-Chemical Products, Auckland, New Zealand). Experiments were conducted to compare these two preparations in-season (September through January) and out-of-season (February through May) in a superovuIatory regime in the caprine species. Folltropin@ was administered twice daily at two different decreasing doses over four consecutive days (80, 60, 40 then 20 mg/day, or 64,48, 32 then 16 mg/day in-season, or 64, 48, 32 then 16 mg/day out-of-season). Ovagen@ was administered twice daily at both a decreasing (3.5, 2.6, 1.8, then 0.9 mg/day in- season) and consistent (2.6, 2.2, or 1.8 mg/day in-season, or 3.5, 3.1, 2.6 or 2.2 mg/day out-of- season) doses over four consecutive days. Ova were recovered surgically by flushing the oviducts of donor animaIs within 36 to 40 hours following the Iast FSH treatment. The number of ovulations observed, total ova and fertilized ova recovered were recorded for each treatment. Data were pooled based on FSH source and dosage regimen by season. In conclusion, Ovagen@ yielded significantly more ovulations during both defined seasons. Additionally, a trend was evident during both seasons with Ovagen@ yielding more ova compared to Folltropin@. While there were no significant differences in the numbers of fertilized ova recovered between the two FSH sources; the consistent Ovagen@ doses tended to produce more fertilized ova in-season. Finally, Ovagen@ appears to perform better when administered at a consistent versus decreasing dose for superovulation in the caprine species.
650 $aCaprino
650 $aEndocrinologia
650 $aHormônio
650 $aReprodução Animal
650 $aSuperovulação
653 $aFolículo
653 $aFSH
700 1 $aNIMS, S.
700 1 $aGAVIN, W.
773 $tTheriogenology$gv. 53, n. 1, p. 503, 2000.
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Embrapa Caprinos e Ovinos (CNPC) |
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