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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
01/02/1996 |
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Data da última atualização: |
13/06/2023 |
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Autoria: |
COUROT, M.; RIVIERS, M. M. de; PELLETIER, J. |
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Título: |
Variations in pituitary and blood LH during puberty in the male lamb. Relation to time of birth. |
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Ano de publicação: |
1975 |
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Fonte/Imprenta: |
Annales de Biologie Animale Biochimie Biophysique, v. 15, n. 3, p. 509-516, 1975. |
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DOI: |
http://dx.doi.org/10.1051/rnd:19750303 |
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Idioma: |
Inglês |
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Conteúdo: |
Testicular weight, pituitary LH concentration, blood plasma LH were measured in He-de-France lambs born in the sexual season (September) or out of season (February) to see how these characters are modified at puberty. During the period of low testicular growth, the impuberal period, there was a large increase in pituitary LH concentration and a significant linear increase in blood plasma LH, the half-life of the latter is the same as in the adult. In the period of rapid testicular growth, the prepubertal and pubertal period, pituitary LH stabilised or decreased according to the season, and blood LH remained at a level lower than that of the peack reached at the end of the preceeding period.Thus spermatogenesis commeced after blood LH reched peack values. |
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Palavras-Chave: |
Puberdade. |
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Thesagro: |
Ovino; Reprodução. |
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Thesaurus Nal: |
Males; Pituitary gland; Puberty; Reproduction; Sheep. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 01515naa a2200253 a 4500
001 1519802
005 2023-06-13
008 1975 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.1051/rnd:19750303$2DOI
100 1 $aCOUROT, M.
245 $aVariations in pituitary and blood LH during puberty in the male lamb. Relation to time of birth.$h[electronic resource]
260 $c1975
520 $aTesticular weight, pituitary LH concentration, blood plasma LH were measured in He-de-France lambs born in the sexual season (September) or out of season (February) to see how these characters are modified at puberty. During the period of low testicular growth, the impuberal period, there was a large increase in pituitary LH concentration and a significant linear increase in blood plasma LH, the half-life of the latter is the same as in the adult. In the period of rapid testicular growth, the prepubertal and pubertal period, pituitary LH stabilised or decreased according to the season, and blood LH remained at a level lower than that of the peack reached at the end of the preceeding period.Thus spermatogenesis commeced after blood LH reched peack values.
650 $aMales
650 $aPituitary gland
650 $aPuberty
650 $aReproduction
650 $aSheep
650 $aOvino
650 $aReprodução
653 $aPuberdade
700 1 $aRIVIERS, M. M. de
700 1 $aPELLETIER, J.
773 $tAnnales de Biologie Animale Biochimie Biophysique$gv. 15, n. 3, p. 509-516, 1975.
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Embrapa Caprinos e Ovinos (CNPC) |
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