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 | Acceso al texto completo restringido a Biblioteca INIA La Estanzuela. Por información adicional contacte bib_le@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela; INIA Treinta y Tres. |
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Fecha : |
10/09/2014 |
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Actualizado : |
11/11/2019 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Autor : |
BANCHERO, G.; VÁZQUEZ, A.; VERA, M.; QUINTANS, G. |
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Afiliación : |
GEORGGET ELIZABETH BANCHERO HUNZIKER, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay; JORGE ANDRES VAZQUEZ TEXEIRA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MAXIMO RAUL VERA LOPEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; QUINTANS ILARIA, G., Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay. |
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Título : |
Adding condensed tannins to the diet increases ovulation rate in sheep. |
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Fecha de publicación : |
2012 |
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Fuente / Imprenta : |
Animal Production Science, v. 52, no. 9, p. 853-856, 2012. |
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ISSN : |
1836-0939. |
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DOI : |
10.1071/AN11333. |
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Idioma : |
Inglés |
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Notas : |
Article history:Received 3 December 2011/Accepted 5 March 2012./Published online 16 July 2012. |
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Contenido : |
Abstract:
The objective of the present study was to investigate whether adding condensed tannins (T) to the diet of sheep increases ovulation rate (OR). In all, 281 mature Polwarth ewes (49.9 #1; 6.0 kg and body condition score (BCS) of 2.02 #1; 0.24 units) were heat-synchronised (oestrus = Day 1) and sorted in the following four treatment diets: (1) native pasture alone (82.6 g of CP and 8.4 MJ metabolisable energy (ME)/kg DM) (NP; n = 70); (2) native pasture (NP) plus a supplement of 0.45 kg of soybean meal (S) from Day 10 to Day 14 (NP+S; n = 71); (3) NP plus a supplement of 0.45 kg S and 25 g of T, to get an estimated concentration of T in the diet of 1.5% (NP+S+1.5T; n = 69); and (4) NP plus a supplement of 0.45 kg S and 42 g of T, to get a concentration of T of 2.5% (NP+S+2.5T; n = 71). OR was measured 8 days after the second heat by rectal ultrasound (Day 25). The estimated consumption of crude protein (CP) during the supplementation period was 129, 261, 237 and 200 g/ewe.day for NP, NP+S, NP+S+1.5T and NP+S+2.5T ewes, respectively. NP+S+1.5T ewes had an OR of 1.90, which was higher (P < 0.05) than those for NP+S+2.5T and NP+S ewes (1.68 and 1.70, respectively). All supplemented ewes had a higher OR than did NP ewes (1.48, P < 0.05). Although NP+S+1.5T ewes ate less protein than did NP+S ewes, their OR was higher, as a result of a more effective use of the protein. The higher concentrations of 2.5% T in the diet might have not evoked a response in OR. |
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Palabras claves : |
INCREMENTO DE LA TASA OVULATORIA; NATIVE PASTURE; PROTEIN; SCHINOPSIS BALANSEA; SUPLEMENTACIÓN CON TANINOS; SUPLEMENTACIÓN PROTEICA; TANINOS CONDENSADOS DE QUEBRACHO; ULTRASOUND. |
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Thesagro : |
HARINA DE SOJA; OVINOS; PASTURA NATURAL; PREÑEZ DE OVINOS; TANINOS; TASA OVULATORIA. |
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Asunto categoría : |
L52 Fisiología Animal- Crecimiento y desarrollo
L53 Fisiología Animal - Reproducción |
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Marc : |
LEADER 02593naa a2200361 a 4500
001 1050184
005 2019-11-11
008 2012 bl uuuu u00u1 u #d
022 $a1836-0939.
024 7 $a10.1071/AN11333.$2DOI
100 1 $aBANCHERO, G.
245 $aAdding condensed tannins to the diet increases ovulation rate in sheep.$h[electronic resource]
260 $c2012
500 $aArticle history:Received 3 December 2011/Accepted 5 March 2012./Published online 16 July 2012.
520 $aAbstract: The objective of the present study was to investigate whether adding condensed tannins (T) to the diet of sheep increases ovulation rate (OR). In all, 281 mature Polwarth ewes (49.9 #1; 6.0 kg and body condition score (BCS) of 2.02 #1; 0.24 units) were heat-synchronised (oestrus = Day 1) and sorted in the following four treatment diets: (1) native pasture alone (82.6 g of CP and 8.4 MJ metabolisable energy (ME)/kg DM) (NP; n = 70); (2) native pasture (NP) plus a supplement of 0.45 kg of soybean meal (S) from Day 10 to Day 14 (NP+S; n = 71); (3) NP plus a supplement of 0.45 kg S and 25 g of T, to get an estimated concentration of T in the diet of 1.5% (NP+S+1.5T; n = 69); and (4) NP plus a supplement of 0.45 kg S and 42 g of T, to get a concentration of T of 2.5% (NP+S+2.5T; n = 71). OR was measured 8 days after the second heat by rectal ultrasound (Day 25). The estimated consumption of crude protein (CP) during the supplementation period was 129, 261, 237 and 200 g/ewe.day for NP, NP+S, NP+S+1.5T and NP+S+2.5T ewes, respectively. NP+S+1.5T ewes had an OR of 1.90, which was higher (P < 0.05) than those for NP+S+2.5T and NP+S ewes (1.68 and 1.70, respectively). All supplemented ewes had a higher OR than did NP ewes (1.48, P < 0.05). Although NP+S+1.5T ewes ate less protein than did NP+S ewes, their OR was higher, as a result of a more effective use of the protein. The higher concentrations of 2.5% T in the diet might have not evoked a response in OR.
650 $aHARINA DE SOJA
650 $aOVINOS
650 $aPASTURA NATURAL
650 $aPREÑEZ DE OVINOS
650 $aTANINOS
650 $aTASA OVULATORIA
653 $aINCREMENTO DE LA TASA OVULATORIA
653 $aNATIVE PASTURE
653 $aPROTEIN
653 $aSCHINOPSIS BALANSEA
653 $aSUPLEMENTACIÓN CON TANINOS
653 $aSUPLEMENTACIÓN PROTEICA
653 $aTANINOS CONDENSADOS DE QUEBRACHO
653 $aULTRASOUND
700 1 $aVÁZQUEZ, A.
700 1 $aVERA, M.
700 1 $aQUINTANS, G.
773 $tAnimal Production Science$gv. 52, no. 9, p. 853-856, 2012.
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