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![](/consulta/web/img/deny.png) | Acceso al texto completo restringido a Biblioteca INIA Treinta y Tres. Por información adicional contacte bibliott@inia.org.uy. |
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Biblioteca (s) : |
INIA Treinta y Tres. |
Fecha : |
21/02/2014 |
Actualizado : |
15/10/2019 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Autor : |
QUINTANS, G.; VIÑOLES, C.; SINCLAIR, K. D. |
Afiliación : |
GRACIELA QUINTANS ILARIA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; CAROLINA VIÑOLES GIL, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
Título : |
Follicular growth and ovulation in postpartum beef cows following calf removal and GnRH treatment. |
Fecha de publicación : |
2004 |
Fuente / Imprenta : |
Animal Reproduction Science, 2004, v.80, p. 5-14. |
DOI : |
10.1016/S0378-4320(03)00154-4 |
Idioma : |
Inglés |
Contenido : |
Abstract:
This study investigated the effects of calf removal (CR) and gonadotrophin releasing hormone (GnRH) administration on the duration of the postpartum anoestrous period in suckled beef cows. Experiment 1 involved 20 multiparous suckled cows that were assigned to each of two treatments on Day 61 postpartum: (i) unlimited access to their calves (C; n=10) and (ii) calf removal for a period of 96 h (CR96, n=10). Experiment 2 involved 24 multiparous cows that were assigned to each of two treatments on Day 63 postpartum: (i) CR96 (n=12); and (ii) CR96 plus 250 microg of GnRH administered on the day before calf return (CR96+GnRH, n=12). Experiment 3 was a 3x2 factorial experiment, involving 48 multiparous cows assigned to the experiment on Day 58 postpartum. The factors were C, CR96 and calf removal for 144 h (CR144), and 0 or 250 microg GnRH administered on the day prior calf return. In Experiment 1, the number of cows that ovulated within 12 days of calf removal was higher (P<0.05) in CR96 group (3/9) compared to the C group (0/10). In Experiment 2, all 12 cows in the CR96+GnRH group ovulated. In contrast only 4/12 cows in the CR96 group ovulated in response to calf removal. The diameter of the ovulatory follicle tended (P=0.06) to be smaller in CR96+GnRH cows (9.8 +/- 0.3 mm) than in CR96 cows (11.3 +/- 0.9 mm). The maximum diameter attained by the corpus luteum (CL) also tended (P=0.08) to be smaller for cows in the CR96+GnRH than for cows in the CR96 group (12.1 +/- 2.4 mm versus 16.7 +/- 7.5 mm, respectively). Plasma progesterone concentrations 12 days after calf removal tended (P=0.06) to be lower in CR96+GnRH cows than in CR96 cows (0.66 +/- 0.1 ng/ml versus 2.00 +/- 1.1 ng/ml, respectively). Few cows in the CR96+GnRH group regained normal cyclical activity and the interval from onset of calf removal to conception was longer (P<0.05) compared to cows in the CR group (52.2 +/- 5.7 days versus 20.0 +/- 6.6 days). In Experiment 3, 5/8 cows on the CR144 group and all 8 cows in the CR144+GnRH group ovulated. However, the interval from CR to conception was similar for all treatments. Temporary (96-144 h) calf removal, particularly in combination with GnRH treatment, can induce a high proportion of beef cows to ovulate, but the restoration of oestrous cycles may not be achieved. MenosAbstract:
This study investigated the effects of calf removal (CR) and gonadotrophin releasing hormone (GnRH) administration on the duration of the postpartum anoestrous period in suckled beef cows. Experiment 1 involved 20 multiparous suckled cows that were assigned to each of two treatments on Day 61 postpartum: (i) unlimited access to their calves (C; n=10) and (ii) calf removal for a period of 96 h (CR96, n=10). Experiment 2 involved 24 multiparous cows that were assigned to each of two treatments on Day 63 postpartum: (i) CR96 (n=12); and (ii) CR96 plus 250 microg of GnRH administered on the day before calf return (CR96+GnRH, n=12). Experiment 3 was a 3x2 factorial experiment, involving 48 multiparous cows assigned to the experiment on Day 58 postpartum. The factors were C, CR96 and calf removal for 144 h (CR144), and 0 or 250 microg GnRH administered on the day prior calf return. In Experiment 1, the number of cows that ovulated within 12 days of calf removal was higher (P<0.05) in CR96 group (3/9) compared to the C group (0/10). In Experiment 2, all 12 cows in the CR96+GnRH group ovulated. In contrast only 4/12 cows in the CR96 group ovulated in response to calf removal. The diameter of the ovulatory follicle tended (P=0.06) to be smaller in CR96+GnRH cows (9.8 +/- 0.3 mm) than in CR96 cows (11.3 +/- 0.9 mm). The maximum diameter attained by the corpus luteum (CL) also tended (P=0.08) to be smaller for cows in the CR96+GnRH than for cows in the CR96 group (12.1 +/- 2.... Presentar Todo |
Thesagro : |
BOVINOS; REPRODUCCION ANIMAL; REPRODUCTIVIDAD; URUGUAY. |
Asunto categoría : |
L53 Fisiología Animal - Reproducción |
Marc : |
LEADER 02919naa a2200205 a 4500 001 1032802 005 2019-10-15 008 2004 bl uuuu u00u1 u #d 024 7 $a10.1016/S0378-4320(03)00154-4$2DOI 100 1 $aQUINTANS, G. 245 $aFollicular growth and ovulation in postpartum beef cows following calf removal and GnRH treatment. 260 $c2004 520 $aAbstract: This study investigated the effects of calf removal (CR) and gonadotrophin releasing hormone (GnRH) administration on the duration of the postpartum anoestrous period in suckled beef cows. Experiment 1 involved 20 multiparous suckled cows that were assigned to each of two treatments on Day 61 postpartum: (i) unlimited access to their calves (C; n=10) and (ii) calf removal for a period of 96 h (CR96, n=10). Experiment 2 involved 24 multiparous cows that were assigned to each of two treatments on Day 63 postpartum: (i) CR96 (n=12); and (ii) CR96 plus 250 microg of GnRH administered on the day before calf return (CR96+GnRH, n=12). Experiment 3 was a 3x2 factorial experiment, involving 48 multiparous cows assigned to the experiment on Day 58 postpartum. The factors were C, CR96 and calf removal for 144 h (CR144), and 0 or 250 microg GnRH administered on the day prior calf return. In Experiment 1, the number of cows that ovulated within 12 days of calf removal was higher (P<0.05) in CR96 group (3/9) compared to the C group (0/10). In Experiment 2, all 12 cows in the CR96+GnRH group ovulated. In contrast only 4/12 cows in the CR96 group ovulated in response to calf removal. The diameter of the ovulatory follicle tended (P=0.06) to be smaller in CR96+GnRH cows (9.8 +/- 0.3 mm) than in CR96 cows (11.3 +/- 0.9 mm). The maximum diameter attained by the corpus luteum (CL) also tended (P=0.08) to be smaller for cows in the CR96+GnRH than for cows in the CR96 group (12.1 +/- 2.4 mm versus 16.7 +/- 7.5 mm, respectively). Plasma progesterone concentrations 12 days after calf removal tended (P=0.06) to be lower in CR96+GnRH cows than in CR96 cows (0.66 +/- 0.1 ng/ml versus 2.00 +/- 1.1 ng/ml, respectively). Few cows in the CR96+GnRH group regained normal cyclical activity and the interval from onset of calf removal to conception was longer (P<0.05) compared to cows in the CR group (52.2 +/- 5.7 days versus 20.0 +/- 6.6 days). In Experiment 3, 5/8 cows on the CR144 group and all 8 cows in the CR144+GnRH group ovulated. However, the interval from CR to conception was similar for all treatments. Temporary (96-144 h) calf removal, particularly in combination with GnRH treatment, can induce a high proportion of beef cows to ovulate, but the restoration of oestrous cycles may not be achieved. 650 $aBOVINOS 650 $aREPRODUCCION ANIMAL 650 $aREPRODUCTIVIDAD 650 $aURUGUAY 700 1 $aVIÑOLES, C. 700 1 $aSINCLAIR, K. D. 773 $tAnimal Reproduction Science, 2004$gv.80, p. 5-14.
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81. | ![Imagen marcada / sin marcar](/consulta/web/img/desmarcado.png) | GONZÁLEZ, X.; ALVEZ, A.; MEIKLE, A.; ULGUIM, R.; ULGUIM, R.; NICOLINI, P.; VIÑOLES, C. Características de las estructuras ováricas en vacas para carne fértiles y subfértiles. [Resumen]. In: CONGRESO ASOCIACIÓN URUGUAYA DE PRODUCCIÓN ANIMAL (6º, Marzo, 2018, Tacuarembó, Uruguay). Resúmenes. Tacuarembó: AUPA, 2018. p. 122Tipo: Abstracts/Resúmenes |
Biblioteca(s): INIA Tacuarembó. |
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84. | ![Imagen marcada / sin marcar](/consulta/web/img/desmarcado.png) | SANTA CRUZ, R.; DA SILVA, A.; FEDRIGO, J.; BENITEZ, V.; VIÑOLES, C. El creep fedding y el ambiente atmosférico afectan el momento de concepción en vacas para carne en patoreo. In: JORNADAS URUGUAYAS DE BUIATRÍA, 47., 2019, PAYSANDÚ, UY.; MATTO, C.; GIANEECHINI, E. (Ed.). Paysandú: Centro Médico Veterinario de Paysandú/Sociedad Uruguaya de Buiatría, 2019. p. 185-188Tipo: Trabajos en Congresos/Conferencias |
Biblioteca(s): INIA Tacuarembó. |
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86. | ![Imagen marcada / sin marcar](/consulta/web/img/desmarcado.png) | GUGGERI, D.; MEIKLE, A.; CARRIQUIRY, M; MONTOSSI, F.; DE BARBIERI, I.; VIÑOLES, C. Efecto de mediano plazo de diferentes sistemas de manejo sobre el crecimiento, parámetros endócrinos y pubertad en terneras Hereford pastoreando campo natural. In:Viñoles, C.; Álvarez, J.P. Creep feeding: tecnología para aumentar el peso al destete. Montevideo (UY): INIA, 2017. p. 37-44 (INIA Serie Técnica; 238)Tipo: Capítulo en Libro Técnico-Científico |
Biblioteca(s): INIA Tacuarembó. |
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88. | ![Imagen marcada / sin marcar](/consulta/web/img/desmarcado.png) | VIÑOLES, C.; GUGGERI, D.; EGAÑA, J.; CUADRO, P.; CUADRO, R.; MONTOSSI, F. Efecto del pastoreo sobre Ornithopus pinnatus a diferentes cargos sobre el reinicio de la actividad cíclica posparto en vacas de primera cría y la tasa de ganancia de los terneros. ln: INIA Tacuarembó. Unidad Experimental Glencoe. DÍA DE CAMPO, 10 setiembre, Paysandú, 2009. Producción Animal y Pasturas. Medidas de manejo y alimentación frente a eventos climáticos adversos. Lecciones aprendidas y propuestas a futuro. Tacuarembó (Uruguay): INIA, 2009. p. 7 (INIA Serie Actividades de Difusión ; 589)Biblioteca(s): INIA Tacuarembó. |
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89. | ![Imagen marcada / sin marcar](/consulta/web/img/desmarcado.png) | GARCIA-PINTOS, C.; TROBO, M.E.; VELOZ, L.; VIÑOLES, C.; CARRIQUIRY, M. Efecto de una suplementación corta con afrechillo de arroz integral sobre crecimiento folicular en vacas de carne cíclicas. Agrociencia, 2010, v.14, no.3, p. 147. Presentado en el Congreso Asociación Uruguaya de Producción Animal; 4-5 Noviembre 2010, Montevideo, Uruguay [s.l.]: Facultad de Agronomía, 2010.Tipo: Artículos en Revistas Indexadas Nacionales | Circulación / Nivel : B - 5 |
Biblioteca(s): INIA Tacuarembó. |
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91. | ![Imagen marcada / sin marcar](/consulta/web/img/desmarcado.png) | VIÑOLES, C.; JAURENA, M.; DE BARBIERI, I.; DO CARMO, M.; MONTOSSI, F. Effect of creep feeding and stocking rate on the productivity of beef cattle grazing grasslands. New Zealand Journal of Agricultural Research, 22 October 2013, v. 56, no. 4, p. 279-287. http://dx.doi.org/10.1080/00288233.2013.840320 History article: Received 17 January 2013; accepted 15 August 2013. Acknowledgements The authors would like to acknowledge the staff of the Research unit Glencoe, especially Pablo Cuadro and the graduate students of the Veterinary Faculty...Tipo: Artículos en Revistas Indexadas Internacionales | Circulación / Nivel : Internacional - -- |
Biblioteca(s): INIA Tacuarembó. |
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93. | ![Imagen marcada / sin marcar](/consulta/web/img/desmarcado.png) | VIÑOLES, C.; JAURENA, M.; DE BARBIERI, I.; DO CARMO, M.; MONTOSSI, F. Efecto de la alimentación preferencial del ternero y la dotación animal sobre la productividad del rodeo de cria pastoreando campo natural. In: BERRETTA, E.; MONTOSSI, F.; BRITO, G. (Ed.). Alternativas tecnológicas para los sistemas ganaderos del basalto. Montevideo, UY: INIA, 2014. 215-224 (Serie Técnica; 217)Tipo: Capítulo en Libro Técnico-Científico |
Biblioteca(s): INIA Tacuarembó; INIA Treinta y Tres. |
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94. | ![Imagen marcada / sin marcar](/consulta/web/img/desmarcado.png) | SANTA CRUZ, R.; ARMÚA, J.; ÁLVAREZ, J.; LORENZO, A.; CUADRO, P.; DE BARBIERI, I.; VIÑOLES, C. Efecto del creep feeding con DDGS y el destete temporario sobre el desarrollo de los terneros y la eficiencia reproductiva de vacas Hereford. In: Jornadas Uruguayas de Buiatría, 44., 2016, Paysandú, UY.; Gianneechini, E.; Elizondo, V. (Ed.).Paysandú: Centro Médico Veterinario de Paysandú/Sociedad Uruguaya de Buiatría, 2016. p. 214-216.Tipo: Trabajos en Congresos/Conferencias |
Biblioteca(s): INIA Tacuarembó. |
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95. | ![Imagen marcada / sin marcar](/consulta/web/img/desmarcado.png) | SANTA CRUZ, R.; ARMÚA, J.; ÁLVAREZ, J.; LORENZO, A.; CUADRO, P.; DE BARBIERI, I.; VIÑOLES, C. Efecto del creep feeding con DDGS y el destete temporario sobre el desarrollo de los terneros y la eficiencia reproductiva de vacas Hereford. In:Viñoles, C.; Álvarez, J.P. Creep feeding: tecnología para aumentar el peso al destete. Montevideo (UY): INIA, 2017. p. 33-35 (INIA Serie Técnica; 238)Tipo: Capítulo en Libro Técnico-Científico |
Biblioteca(s): INIA Tacuarembó. |
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96. | ![Imagen marcada / sin marcar](/consulta/web/img/desmarcado.png) | VIÑOLES, C.; GIORELLO, D.; SOARES DE LIMA, J.M.; MONTOSSI, F. Entore precoz: una alternativa para aumentar la competitividad de la cría. In: OLMOS, F.; SOSA, M.; SALVARREY, L.; CARDOZO, G.; SOARES DE LIMA, J.M.; GIORELLO, D.; VIÑOLES, C.; MONTOSSI, F. Productividad de pasturas estivales en la región Noreste. Montevideo, UY: INIA, 2015. p. 89-92 (Serie Técnica; 222)Tipo: Capítulo en Libro Técnico-Científico |
Biblioteca(s): INIA Tacuarembó. |
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97. | ![Imagen marcada / sin marcar](/consulta/web/img/desmarcado.png) | ARAGUNDE VIEYTES, R.; VIÑOLES, C.; GASTAL, G.D.A.; CAVESTANY, D. Equine chorionic gonadotropin administered on day 5 of a 7-days fixed-time artificial insemination program improves ovulation synchrony and corpus luteum function in anestrous beef cows Theriogenology, January 2023, Volume 195, Pages 62-68. doi: https://doi.org/10.1016/j.theriogenology.2022.10.016 Article history: Received 17 June 2022; Received in revised form 5 October 2022; Accepted 12 October 2022; Available online 17 October 2022.
Correspondence authors: Gastal, G.D.A.; Ruta 11, Km 50, Colonia del Sacramento, Colonia,...Tipo: Artículos en Revistas Indexadas Internacionales | Circulación / Nivel : Internacional - -- |
Biblioteca(s): INIA Las Brujas. |
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98. | ![Imagen marcada / sin marcar](/consulta/web/img/desmarcado.png) | KALPOKAS, I.; PERDIGON, F.; RIVERO, R.; TALMON, M.; SARTORE, I.; VIÑOLES, C. Effect of a povidone-iodine intrauterine infusion on progesterone levels and endometrial steroid receptor expression in mares. Acta Veterinaria Scandinavica, 2010, v.52, No.1, p.66-73. OPEN ACCESS Article history: Received: 15 August 2010 / Accepted: 16 December 2010 / Published: 16 December 2010.Tipo: Artículos en Revistas Indexadas Internacionales | Circulación / Nivel : B - 2 |
Biblioteca(s): INIA Las Brujas. |
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Registros recuperados : 154 | |
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