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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela; INIA Treinta y Tres. |
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Fecha : |
11/11/2019 |
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Actualizado : |
03/08/2021 |
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Tipo de producción científica : |
Capítulo en Libro Técnico-Científico |
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Autor : |
LÓPEZ-MAZZ, C.; REGUEIRO, M.; BALDI, F.; QUINTANS, G.; BANCHERO, G. |
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Afiliación : |
CARLOS LÓPEZ-MAZZ, Departamento de Producción Animal y Pasturas. Facultad de Agronomía, Montevideo, Uruguay.; M. REGUEIRO, Departamento de Producción Animal y Pasturas. Facultad de Agronomía, Montevideo, Uruguay.; F. BALDI, Facultade de Ciencias Agrárias e Veterinárias, Jaboticabal, Sao Paulo, Brazil.; GRACIELA QUINTANS ILARIA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; GEORGGET ELIZABETH BANCHERO HUNZIKER, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
La esquila a los 50 días de gestación de ovejas en pastoreo afectó positivamente el peso corporal pero no parámetros reproductivos y de salud de los corderos machos durante los primeros 18 meses de edad. |
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Fecha de publicación : |
2019 |
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Fuente / Imprenta : |
In: QUINTANS, G.; IEWDIUKOW, M. (Ed.). Primer Seminario Técnico de Programación Fetal. Montevideo (UY): INIA, 2019. p. 125-134. |
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Serie : |
(INIA Serie Técnica; 252) |
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ISBN : |
978-9974-38-436-1 |
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ISSN : |
1688-9266 |
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Idioma : |
Español |
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Contenido : |
ABSTRACT
This study evaluated the effects of shearing at 50 days of gestation on the productive, reproductive and response to a gastrointestinal parasite challenge of male offspring from weaning (104 d) to 18 months old. In total, 79 Polwarth male lambs were used, 44 single (S) and 35 twin (T) born to ewes either shorn at 50 days of pregnancy (PS, n =41) or shorn at 62 days post-partum (U, control, n = 38) resulting in four sub-groups: SPS: single male lambs born to ewes shorn at 50 days of pregnancy (n = 23), SU: single male lambs born to postpartumshorn ewes (n = 21), TPS: twin males lambs born to ewes shorn at 50 days of pregnancy (n = 18) or TU: twin female lambs born to postpartum shorn ewes (n = 17). The lambs were kept together on improved pasture throughout the entire experiment. Body weight, body condition score and fecal eggs count were recorded every 14 days from weaning to 18 months old.
Ultrasound measurements in vivo were performed at 12.5 months and 14.6 months old to estimate of ribeye area (REA) and backfat thickness (BFT) in the ongissimus dorsi muscle and the thickness of fat in the hip region (P8).
Furthermore, plasma testosterone concentration was determined once every two weeks to establish the age at onset of puberty. PS male lambs were heavier (P = 0,02) than U male lambs. Shearing treatment had no effect on none of the parameters of body development (P ˃ 0,05). However, REA (P = 0.06) and P8 (P = 0,02) were higher at 14.6 mo than 12.5 mo old. Testosterone concentration, age at puberty and testicular weight were not different (P ˃ 0,05) among treatments. Single male lambs reached puberty earlier (P = 0.06) than twin. Prepartum shearing did not affect the parasite egg count and the Famacha index. The study concludes that ewe shearing at 50 days of gestation positively influences the bodyweight of male offspring from weaning onwards but not the other evaluated traits MenosABSTRACT
This study evaluated the effects of shearing at 50 days of gestation on the productive, reproductive and response to a gastrointestinal parasite challenge of male offspring from weaning (104 d) to 18 months old. In total, 79 Polwarth male lambs were used, 44 single (S) and 35 twin (T) born to ewes either shorn at 50 days of pregnancy (PS, n =41) or shorn at 62 days post-partum (U, control, n = 38) resulting in four sub-groups: SPS: single male lambs born to ewes shorn at 50 days of pregnancy (n = 23), SU: single male lambs born to postpartumshorn ewes (n = 21), TPS: twin males lambs born to ewes shorn at 50 days of pregnancy (n = 18) or TU: twin female lambs born to postpartum shorn ewes (n = 17). The lambs were kept together on improved pasture throughout the entire experiment. Body weight, body condition score and fecal eggs count were recorded every 14 days from weaning to 18 months old.
Ultrasound measurements in vivo were performed at 12.5 months and 14.6 months old to estimate of ribeye area (REA) and backfat thickness (BFT) in the ongissimus dorsi muscle and the thickness of fat in the hip region (P8).
Furthermore, plasma testosterone concentration was determined once every two weeks to establish the age at onset of puberty. PS male lambs were heavier (P = 0,02) than U male lambs. Shearing treatment had no effect on none of the parameters of body development (P ˃ 0,05). However, REA (P = 0.06) and P8 (P = 0,02) were higher at 14.6 mo than 12.5 mo old. Te... Presentar Todo |
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Palabras claves : |
CORDEROS; CRECIMIENTO; ESQUILA TEMPRANA; REPRODUCCIÓN. |
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Asunto categoría : |
L53 Fisiología Animal - Reproducción |
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URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/13793/1/St-252-p-125-134-Lopez-Mazz.pdf
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Marc : |
LEADER 02848naa a2200253 a 4500
001 1061120
005 2021-08-03
008 2019 bl uuuu u00u1 u #d
020 $a978-9974-38-436-1
022 $a1688-9266
100 1 $aLÓPEZ-MAZZ, C.
245 $aLa esquila a los 50 días de gestación de ovejas en pastoreo afectó positivamente el peso corporal pero no parámetros reproductivos y de salud de los corderos machos durante los primeros 18 meses de edad.$h[electronic resource]
260 $c2019
490 $a(INIA Serie Técnica; 252)
520 $aABSTRACT This study evaluated the effects of shearing at 50 days of gestation on the productive, reproductive and response to a gastrointestinal parasite challenge of male offspring from weaning (104 d) to 18 months old. In total, 79 Polwarth male lambs were used, 44 single (S) and 35 twin (T) born to ewes either shorn at 50 days of pregnancy (PS, n =41) or shorn at 62 days post-partum (U, control, n = 38) resulting in four sub-groups: SPS: single male lambs born to ewes shorn at 50 days of pregnancy (n = 23), SU: single male lambs born to postpartumshorn ewes (n = 21), TPS: twin males lambs born to ewes shorn at 50 days of pregnancy (n = 18) or TU: twin female lambs born to postpartum shorn ewes (n = 17). The lambs were kept together on improved pasture throughout the entire experiment. Body weight, body condition score and fecal eggs count were recorded every 14 days from weaning to 18 months old. Ultrasound measurements in vivo were performed at 12.5 months and 14.6 months old to estimate of ribeye area (REA) and backfat thickness (BFT) in the ongissimus dorsi muscle and the thickness of fat in the hip region (P8). Furthermore, plasma testosterone concentration was determined once every two weeks to establish the age at onset of puberty. PS male lambs were heavier (P = 0,02) than U male lambs. Shearing treatment had no effect on none of the parameters of body development (P ˃ 0,05). However, REA (P = 0.06) and P8 (P = 0,02) were higher at 14.6 mo than 12.5 mo old. Testosterone concentration, age at puberty and testicular weight were not different (P ˃ 0,05) among treatments. Single male lambs reached puberty earlier (P = 0.06) than twin. Prepartum shearing did not affect the parasite egg count and the Famacha index. The study concludes that ewe shearing at 50 days of gestation positively influences the bodyweight of male offspring from weaning onwards but not the other evaluated traits
653 $aCORDEROS
653 $aCRECIMIENTO
653 $aESQUILA TEMPRANA
653 $aREPRODUCCIÓN
700 1 $aREGUEIRO, M.
700 1 $aBALDI, F.
700 1 $aQUINTANS, G.
700 1 $aBANCHERO, G.
773 $tIn: QUINTANS, G.; IEWDIUKOW, M. (Ed.). Primer Seminario Técnico de Programación Fetal. Montevideo (UY): INIA, 2019. p. 125-134.
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Registro original : |
INIA La Estanzuela (LE) |
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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
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Fecha actual : |
21/02/2014 |
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Actualizado : |
20/09/2017 |
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Tipo de producción científica : |
Documentos |
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Autor : |
ALVAREZ, J.; BLASSINA, E; LUSSICH, N. |
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Afiliación : |
JORGE ALVAREZ, Grupo de Investigaciòn de Economìa Agraria de Facultad de Agronomía, Montevideo, Uruguay.; EDUARDO BLASSINA, Grupo de Investigaciòn de Economìa Agraria de Facultad de Agronomía, Montevideo, Uruguay.; NICOLÁS LUSSICH, Grupo de Investigaciòn de Economìa Agraria de Facultad de Agronomía, Montevideo, Uruguay. |
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Título : |
Análisis económico-financiero de los ejercicios 1991 y 1992 de cuatro predios pilotos del Convenio ANPL-CONAPROLE-INIA. |
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Fecha de publicación : |
1993 |
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Fuente / Imprenta : |
Montevideo (Uruguay): INIA, FAGRO,1993. |
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Páginas : |
36 p. |
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Idioma : |
Español |
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Palabras claves : |
COOPERACIÓN ALEMANA; GTZ. |
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Thesagro : |
ADOPCION DE INNOVACIONES; ALEMANIA; ANALISIS ECONOMICO; COSTOS DE PRODUCCION; EFICACIA; EXTENSION; GRANJAS LECHERAS; GTZ; LECHE; PRECIOS; PRODUCCION LECHERA; RENTABILIDAD; TRANSFERENCIA DE TECNOLOGIA; URUGUAY. |
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Asunto categoría : |
L01 Ganadería |
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Marc : |
LEADER 00899nam a2200325 a 4500
001 1036977
005 2017-09-20
008 1993 bl uuuu u00u1 u #d
100 1 $aALVAREZ, J.
245 $aAnálisis económico-financiero de los ejercicios 1991 y 1992 de cuatro predios pilotos del Convenio ANPL-CONAPROLE-INIA.
260 $aMontevideo (Uruguay): INIA, FAGRO$c1993
300 $a36 p.
650 $aADOPCION DE INNOVACIONES
650 $aALEMANIA
650 $aANALISIS ECONOMICO
650 $aCOSTOS DE PRODUCCION
650 $aEFICACIA
650 $aEXTENSION
650 $aGRANJAS LECHERAS
650 $aGTZ
650 $aLECHE
650 $aPRECIOS
650 $aPRODUCCION LECHERA
650 $aRENTABILIDAD
650 $aTRANSFERENCIA DE TECNOLOGIA
650 $aURUGUAY
653 $aCOOPERACIÓN ALEMANA
653 $aGTZ
700 1 $aBLASSINA, E
700 1 $aLUSSICH, N.
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