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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
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Fecha : |
05/12/2014 |
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Actualizado : |
16/10/2018 |
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Tipo de producción científica : |
Documentos |
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Autor : |
NAVAJAS, E.; PRAVIA, M.I.; LEMA, O.M.; RAVAGNOLO, O.; AGUILAR, I.; BRITO, G.; CLARIGET, J.; DALLA RIZZA, M.; MONTOSSI, F. |
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Afiliación : |
ELLY ANA NAVAJAS VALENTINI, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARIA ISABEL PRAVIA NIN, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; OSCAR MARIO LEMA QUEIJO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; OLGA RAVAGNOLO GUMILA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; IGNACIO AGUILAR GARCIA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; GUSTAVO WALTER BRITO DIAZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; JUAN MANUEL CLARIGET BRIZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARCO DALLA RIZZA VILARO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; FABIO MARCELO MONTOSSI PORCHILE, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
Selección genómica en eficiencia de conversión y calidad de canal de la raza Hereford en Uruguay. |
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Fecha de publicación : |
2014 |
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Fuente / Imprenta : |
Anuario Hereford (Montevideo), p. 160-172, 2014. |
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Idioma : |
Español |
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Palabras claves : |
CONSERVACIÓN DE ADN BOVINO; CONSUMO ESTIMADO DE ALIMENTO; CONSUMO REAL DE ALIMENTO; CONSUMO RESIDUAL DE ALIMENTO; EFICIENCIA DE CONVERSIÓN DE ALIMENTO; PRODUCCIÓN DE CARNE; SELECCIÓN GENÓMICA. |
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Thesagro : |
BOVINOS PARA CARNE; CALIDAD DE CARNE; GANADO BOVINO; MEJORAMIENTO ANIMAL. |
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Asunto categoría : |
L02 Alimentación animal |
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Marc : |
LEADER 01020naa a2200337 a 4500
001 1051774
005 2018-10-16
008 2014 bl uuuu u00u1 u #d
100 1 $aNAVAJAS, E.
245 $aSelección genómica en eficiencia de conversión y calidad de canal de la raza Hereford en Uruguay.
260 $c2014
650 $aBOVINOS PARA CARNE
650 $aCALIDAD DE CARNE
650 $aGANADO BOVINO
650 $aMEJORAMIENTO ANIMAL
653 $aCONSERVACIÓN DE ADN BOVINO
653 $aCONSUMO ESTIMADO DE ALIMENTO
653 $aCONSUMO REAL DE ALIMENTO
653 $aCONSUMO RESIDUAL DE ALIMENTO
653 $aEFICIENCIA DE CONVERSIÓN DE ALIMENTO
653 $aPRODUCCIÓN DE CARNE
653 $aSELECCIÓN GENÓMICA
700 1 $aPRAVIA, M.I.
700 1 $aLEMA, O.M.
700 1 $aRAVAGNOLO, O.
700 1 $aAGUILAR, I.
700 1 $aBRITO, G.
700 1 $aCLARIGET, J.
700 1 $aDALLA RIZZA, M.
700 1 $aMONTOSSI, F.
773 $tAnuario Hereford (Montevideo), p. 160-172, 2014.
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Registro original : |
INIA La Estanzuela (LE) |
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 | Acceso al texto completo restringido a Biblioteca INIA Las Brujas. Por información adicional contacte bibliolb@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha actual : |
04/11/2022 |
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Actualizado : |
07/11/2022 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
Internacional - -- |
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Autor : |
ARAGUNDE VIEYTES, R.; VIÑOLES, C.; GASTAL, G.D.A.; CAVESTANY, D. |
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Afiliación : |
RAFAEL ARAGUNDE VIEYTES, Facultad de Veterinaria, Universidad de la Republica, Ruta 1, km 42.5, Montevideo, Uruguay; CAROLINA VIÑOLES GIL, Centro de Salud Reproductiva de Rumiantes en Sistemas Agroforestales, Casa de la Universidad de Cerro Largo, UdelaR, Ruta 26, km 408, Cerro Largo, Uruguay; GUSTAVO DESIRE ANTUNES GASTAL, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; DANIEL CAVESTANY, Facultad de Veterinaria, Universidad de la Republica, Ruta 1, km 42.5, Montevideo, Uruguay. |
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Título : |
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 |
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Fecha de publicación : |
2022 |
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Fuente / Imprenta : |
Theriogenology, January 2023, Volume 195, Pages 62-68. doi: https://doi.org/10.1016/j.theriogenology.2022.10.016 |
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ISSN : |
0093-691X |
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DOI : |
10.1016/j.theriogenology.2022.10.016 |
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Idioma : |
Inglés |
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Notas : |
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, Uruguay; email:ggastal@inia.org.uy -- Aragunde Vieytes, R.; Facultad de Veterinaria, UDELAR, Ruta 1, km 42.5, Montevideo, Uruguay; email:rafaelaragunde@fvet.edu.uy -- |
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Contenido : |
ABSTRACT.- In order to assess the effect of equine chorionic gonadotropin (eCG) administered on Day 5 or 7 of a fixed-time artificial insemination protocol (FTAI) in anestrous suckled beef cows, two experiments were performed to determine the following endpoints: Experiment 1 (n = 22), preovulatory follicle (POF) diameter, ovulation time, corpus luteum (CL) area, estradiol (E2) and progesterone (P4) concentrations; and Experiment 2 (n = 676), a field trial to evaluate conception rate using the same experimental design. In both experiments, a synchronization protocol using estradiol benzoate (EB) (Day 0), intravaginal progestin device (IVD) (Days 0 through 7), prostaglandin (PGF) (Day 7), eCG (Day 5 or 7), and GnRH (Day 9). Treatment consisted of administering 400 IU of eCG on Day 5 (T5) or Day 7 (T7 or control) concomitant with treatment with PGF2α. In experiment 1, all cows of T5 ovulated by 16 h after GnRH administration. The POF tended (P = 0.06; P = 0.07) to be larger at 1 and 2 d before ovulation in T5. The day before ovulation, E2 tended to be lower (P = 0.06) in T5 compared with T7. The CL area and the P4 concentrations were greater (P = 0.04) on day 9 in T5 compared with T7. In experiment 2, the conception rate was greater (P = 0.04) in T5 (72.2%) compared with T7 (61.0%) group. Therefore, administration of eCG on Day 5 of the designed protocol hastened ovulation of a greater follicle, which produced a larger CL and greater concentrations of progesterone by Day 9 after ovulation, resulting in 11.2% increase in cows pregnant. © 2022 Elsevier Inc. MenosABSTRACT.- In order to assess the effect of equine chorionic gonadotropin (eCG) administered on Day 5 or 7 of a fixed-time artificial insemination protocol (FTAI) in anestrous suckled beef cows, two experiments were performed to determine the following endpoints: Experiment 1 (n = 22), preovulatory follicle (POF) diameter, ovulation time, corpus luteum (CL) area, estradiol (E2) and progesterone (P4) concentrations; and Experiment 2 (n = 676), a field trial to evaluate conception rate using the same experimental design. In both experiments, a synchronization protocol using estradiol benzoate (EB) (Day 0), intravaginal progestin device (IVD) (Days 0 through 7), prostaglandin (PGF) (Day 7), eCG (Day 5 or 7), and GnRH (Day 9). Treatment consisted of administering 400 IU of eCG on Day 5 (T5) or Day 7 (T7 or control) concomitant with treatment with PGF2α. In experiment 1, all cows of T5 ovulated by 16 h after GnRH administration. The POF tended (P = 0.06; P = 0.07) to be larger at 1 and 2 d before ovulation in T5. The day before ovulation, E2 tended to be lower (P = 0.06) in T5 compared with T7. The CL area and the P4 concentrations were greater (P = 0.04) on day 9 in T5 compared with T7. In experiment 2, the conception rate was greater (P = 0.04) in T5 (72.2%) compared with T7 (61.0%) group. Therefore, administration of eCG on Day 5 of the designed protocol hastened ovulation of a greater follicle, which produced a larger CL and greater concentrations of progesterone by Day ... Presentar Todo |
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Palabras claves : |
Anestrous; Corpus luteum; Equine chorionic gonadotropin; Ovulation; PLATAFORMA DE INVESTIGACIÓN EN SALUD ANIMAL; Postpartum; Preovulatory follicle. |
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Asunto categoría : |
-- |
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Marc : |
LEADER 02982naa a2200277 a 4500
001 1063704
005 2022-11-07
008 2022 bl uuuu u00u1 u #d
022 $a0093-691X
024 7 $a10.1016/j.theriogenology.2022.10.016$2DOI
100 1 $aARAGUNDE VIEYTES, R.
245 $aEquine chorionic gonadotropin administered on day 5 of a 7-days fixed-time artificial insemination program improves ovulation synchrony and corpus luteum function in anestrous beef cows$h[electronic resource]
260 $c2022
500 $aArticle 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, Uruguay; email:ggastal@inia.org.uy -- Aragunde Vieytes, R.; Facultad de Veterinaria, UDELAR, Ruta 1, km 42.5, Montevideo, Uruguay; email:rafaelaragunde@fvet.edu.uy --
520 $aABSTRACT.- In order to assess the effect of equine chorionic gonadotropin (eCG) administered on Day 5 or 7 of a fixed-time artificial insemination protocol (FTAI) in anestrous suckled beef cows, two experiments were performed to determine the following endpoints: Experiment 1 (n = 22), preovulatory follicle (POF) diameter, ovulation time, corpus luteum (CL) area, estradiol (E2) and progesterone (P4) concentrations; and Experiment 2 (n = 676), a field trial to evaluate conception rate using the same experimental design. In both experiments, a synchronization protocol using estradiol benzoate (EB) (Day 0), intravaginal progestin device (IVD) (Days 0 through 7), prostaglandin (PGF) (Day 7), eCG (Day 5 or 7), and GnRH (Day 9). Treatment consisted of administering 400 IU of eCG on Day 5 (T5) or Day 7 (T7 or control) concomitant with treatment with PGF2α. In experiment 1, all cows of T5 ovulated by 16 h after GnRH administration. The POF tended (P = 0.06; P = 0.07) to be larger at 1 and 2 d before ovulation in T5. The day before ovulation, E2 tended to be lower (P = 0.06) in T5 compared with T7. The CL area and the P4 concentrations were greater (P = 0.04) on day 9 in T5 compared with T7. In experiment 2, the conception rate was greater (P = 0.04) in T5 (72.2%) compared with T7 (61.0%) group. Therefore, administration of eCG on Day 5 of the designed protocol hastened ovulation of a greater follicle, which produced a larger CL and greater concentrations of progesterone by Day 9 after ovulation, resulting in 11.2% increase in cows pregnant. © 2022 Elsevier Inc.
653 $aAnestrous
653 $aCorpus luteum
653 $aEquine chorionic gonadotropin
653 $aOvulation
653 $aPLATAFORMA DE INVESTIGACIÓN EN SALUD ANIMAL
653 $aPostpartum
653 $aPreovulatory follicle
700 1 $aVIÑOLES, C.
700 1 $aGASTAL, G.D.A.
700 1 $aCAVESTANY, D.
773 $tTheriogenology, January 2023, Volume 195, Pages 62-68. doi: https://doi.org/10.1016/j.theriogenology.2022.10.016
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