| |
|
|
|
Registro completo
|
|
Biblioteca (s) : |
INIA Treinta y Tres. |
|
Fecha : |
11/11/2019 |
|
Actualizado : |
21/05/2020 |
|
Tipo de producción científica : |
Capítulo en Libro Técnico-Científico |
|
Autor : |
LÓPEZ VALIENTE, S.; MARESCA, S.; RODRÍGUEZ, A.M.; PALLADINO, R.A.; LACAU-MENGIDO, I.M.; LONG, N.M.; QUINTANS, G. |
|
Afiliación : |
SEBASTIÁN LÓPEZ VALIENTE, Instituto Nacional de Tecnología Agropecuaria, Estación Experimental Cuenca del Salado, Argentina.; S. MARESCA, Instituto Nacional de Tecnología Agropecuaria, Estación Experimental Cuenca del Salado, Argentina.; A. M. RODRÍGUEZ, Instituto Nacional de Tecnología Agropecuaria, Estación Experimental Cuenca del Salado, Argentina.; R. A. PALLADINO, Facultad de Agronomía, Universidad de Buenos Aires, Argentina.; I.M. LACAU-MENGIDO, Laboratorio de Regulación Hipofisaria, Instituto de Biología y Medicina Experimental (CONICET), Buenos Aires, Argentina.; N.M. LONG, Departamento de Ciencias Animales y Veterinarias, Universidad de Clemso, Carolina del Sur, Estados Unidos de América.; GRACIELA QUINTANS ILARIA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
|
Título : |
Efecto de la restricción proteica de las vacas Angus durante la gestación tardía: rendimiento reproductivo posterior y producción de leche. |
|
Fecha de publicación : |
2019 |
|
Fuente / Imprenta : |
In: QUINTANS, G.; IEWDIUKOW, M. (Ed.). Primer Seminario Técnico de Programación Fetal. Montevideo (UY): INIA, 2019. p. 23-30. |
|
Serie : |
(INIA Serie Técnica; 252) |
|
ISBN : |
978-9974-38-436-1 |
|
ISSN : |
1688-9266 |
|
Idioma : |
Español |
|
Contenido : |
ABSTRACT
The effect of level of CP fed during late gestation on reproductive performance and milk production was studied in multiparous cows. Sixty-eight pregnant Angus cows were used. At 121 d prepartum, cows were blocked by BW (409 ± 57 kg) and expected calving date, randomly assigned to a low-protein (LP = 6% CP) or high-protein diet (HP = 12% CP), and allocated to 12 pens per treatment. After parturition, all cows were managed in a single group until weaning. Body weight and BCS
were determined at the start of the experiment, at calving, and at weaning. Progesterone was quantified weekly to indicate luteal activity and estimate interval to first estrus. Milk production was measured until weaning. The HP cows had greater BW gain during the prepartum period (P < 0.01) and tended to gain more BCS (P = 0.06) than LP cows. The prepartum diet did not affect gestation length (P = 0.44) or interval from calving to the onset of luteal activity (P = 0.35). Pregnancy rates, milk quality, and production were not influenced by dietary treatments. In conclusion, protein level prepartum in multiparous beef cows affected the BW change at calving, without consequences on reproductive performance and milk quality and yield. |
|
Palabras claves : |
GESTACIÓN TARDÍA EN VACAS; LATE GESTATION; MILK PRODUCTION; MULTIPAROUS COW; PRODUCCIÓN DE LECHE VACUNA; PROTEIN UNDERNUTRITION; REPRODUCCION; REPRODUCTION; RESTRICCIÓN PROTEICA; VACA MULTÍPARA. |
|
Asunto categoría : |
L53 Fisiología Animal - Reproducción |
|
URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/13778/1/St-252-p-23-30-Lopez-Valiente.pdf
|
|
Marc : |
LEADER 02391naa a2200349 a 4500
001 1060399
005 2020-05-21
008 2019 bl uuuu u00u1 u #d
020 $a978-9974-38-436-1
022 $a1688-9266
100 1 $aLÓPEZ VALIENTE, S.
245 $aEfecto de la restricción proteica de las vacas Angus durante la gestación tardía$brendimiento reproductivo posterior y producción de leche.$h[electronic resource]
260 $c2019
490 $a(INIA Serie Técnica; 252)
520 $aABSTRACT The effect of level of CP fed during late gestation on reproductive performance and milk production was studied in multiparous cows. Sixty-eight pregnant Angus cows were used. At 121 d prepartum, cows were blocked by BW (409 ± 57 kg) and expected calving date, randomly assigned to a low-protein (LP = 6% CP) or high-protein diet (HP = 12% CP), and allocated to 12 pens per treatment. After parturition, all cows were managed in a single group until weaning. Body weight and BCS were determined at the start of the experiment, at calving, and at weaning. Progesterone was quantified weekly to indicate luteal activity and estimate interval to first estrus. Milk production was measured until weaning. The HP cows had greater BW gain during the prepartum period (P < 0.01) and tended to gain more BCS (P = 0.06) than LP cows. The prepartum diet did not affect gestation length (P = 0.44) or interval from calving to the onset of luteal activity (P = 0.35). Pregnancy rates, milk quality, and production were not influenced by dietary treatments. In conclusion, protein level prepartum in multiparous beef cows affected the BW change at calving, without consequences on reproductive performance and milk quality and yield.
653 $aGESTACIÓN TARDÍA EN VACAS
653 $aLATE GESTATION
653 $aMILK PRODUCTION
653 $aMULTIPAROUS COW
653 $aPRODUCCIÓN DE LECHE VACUNA
653 $aPROTEIN UNDERNUTRITION
653 $aREPRODUCCION
653 $aREPRODUCTION
653 $aRESTRICCIÓN PROTEICA
653 $aVACA MULTÍPARA
700 1 $aMARESCA, S.
700 1 $aRODRÍGUEZ, A.M.
700 1 $aPALLADINO, R.A.
700 1 $aLACAU-MENGIDO, I.M.
700 1 $aLONG, N.M.
700 1 $aQUINTANS, G.
773 $tIn: QUINTANS, G.; IEWDIUKOW, M. (Ed.). Primer Seminario Técnico de Programación Fetal. Montevideo (UY): INIA, 2019. p. 23-30.
Descargar
Esconder MarcPresentar Marc Completo |
|
Registro original : |
INIA Treinta y Tres (TT) |
|
|
Biblioteca
|
Identificación
|
Origen
|
Tipo / Formato
|
Clasificación
|
Cutter
|
Registro
|
Volumen
|
Estado
|
Volver
|
|
|
 | Acceso al texto completo restringido a Biblioteca INIA Tacuarembó. Por información adicional contacte bibliotb@tb.inia.org.uy. |
|
Registro completo
|
|
Biblioteca (s) : |
INIA Tacuarembó. |
|
Fecha actual : |
06/05/2016 |
|
Actualizado : |
08/08/2019 |
|
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
|
Circulación / Nivel : |
Internacional - -- |
|
Autor : |
FIERRO, S.; VIÑOLES, C.; OLIVERA-MUZANTE, J. |
|
Afiliación : |
CAROLINA VIÑOLES GIL, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
|
Título : |
Concentrations of steroid hormones, estrous, ovarian andreproductive responses in sheep estrous synchronized withdifferent prostaglandin-based protocols. |
|
Fecha de publicación : |
2016 |
|
Fuente / Imprenta : |
Animal Reproduction Science, 2016, v. 167, p. 74-82. |
|
DOI : |
10.1016/j.anireprosci.2016.02.009 |
|
Idioma : |
Inglés |
|
Notas : |
Article history: Received 14 August 2015; Received in revised form 7 February 2016; Accepted 8 February 2016; Available online 10 February 2016. |
|
Contenido : |
To determine estrous, ovarian and reproductive responses after different prostaglandin(PG)-based protocols, ewes were assigned to groups PG10, PG12, PG14 or PG16 (two PGinjections administered 10, 12, 14 or 16 days apart; respectively). Experiment I (n = 132) wasconducted to evaluate the estrous response, ovulation rate (OR), conception and fertility.Experiment II (n = 24) was conducted to evaluate ovarian follicle growth, steroid concen-trations and the interval from the second PG injection to estrus (PG-estrus) and ovulation(PG-ovulation). Estrous response was less with the PG16 (P < 0.05) treatment, and the extentof estrous synchrony was greater with the PG10 and PG12 treatments. Ovarian folliclegrowth and the intervals for the variables PG-estrus, PG-ovulation and OR were similaramong groups (P > 0.05). From 8 to 4 days before estrus, progesterone (P4) concentrationswere greater for the PG14 and PG16 than for the PG10 and PG12 (P < 0.05) groups. Therewere more days where concentrations of P4 were above 3.18 nmol/L with the PG14 andPG16 than PG10 and PG12 (P < 0.05) treatments. Use of the PG14 and PG16 treatmentsresulted in greater estradiol (E2) at estrus and 12 h later than use of the PG10 and PG12treatments. A positive correlation was observed between the duration of the luteal phaseand maximum E2 concentrations, and between duration of the luteal phase and days withE2 concentrations above 10 pmol/L. Conception and fertility were greater with use of thePG14 compared with PG10 and PG12 (P < 0.05) treatments. The administration of two PGinjections 10, 12, 14 or 16 days apart resulted in different durations of the luteal phasethat were positively associated with E2 concentrations and the reproductive outcome. Theshorter luteal phases were associated with greater synchrony in time of estrus. The intervalsfor the variables PG-estrus, PG-ovulation and OR were similar among groups. MenosTo determine estrous, ovarian and reproductive responses after different prostaglandin(PG)-based protocols, ewes were assigned to groups PG10, PG12, PG14 or PG16 (two PGinjections administered 10, 12, 14 or 16 days apart; respectively). Experiment I (n = 132) wasconducted to evaluate the estrous response, ovulation rate (OR), conception and fertility.Experiment II (n = 24) was conducted to evaluate ovarian follicle growth, steroid concen-trations and the interval from the second PG injection to estrus (PG-estrus) and ovulation(PG-ovulation). Estrous response was less with the PG16 (P < 0.05) treatment, and the extentof estrous synchrony was greater with the PG10 and PG12 treatments. Ovarian folliclegrowth and the intervals for the variables PG-estrus, PG-ovulation and OR were similaramong groups (P > 0.05). From 8 to 4 days before estrus, progesterone (P4) concentrationswere greater for the PG14 and PG16 than for the PG10 and PG12 (P < 0.05) groups. Therewere more days where concentrations of P4 were above 3.18 nmol/L with the PG14 andPG16 than PG10 and PG12 (P < 0.05) treatments. Use of the PG14 and PG16 treatmentsresulted in greater estradiol (E2) at estrus and 12 h later than use of the PG10 and PG12treatments. A positive correlation was observed between the duration of the luteal phaseand maximum E2 concentrations, and between duration of the luteal phase and days withE2 concentrations above 10 pmol/L. Conception and fertility were greater with use of thePG14 compared wi... Presentar Todo |
|
Palabras claves : |
ESTROUS SYNCHRONIZATION; EWE; PROSTAGLANDIN; STEROID HORMONES; TIMED ARTIFICIAL INEMINATION. |
|
Thesagro : |
INSEMINACIÓN ARTIFICIAL; OVINOS; REPRODUCCIÓN; TASA OVULATORIA. |
|
Asunto categoría : |
L01 Ganadería |
|
Marc : |
LEADER 02914naa a2200277 a 4500
001 1054795
005 2019-08-08
008 2016 bl uuuu u00u1 u #d
024 7 $a10.1016/j.anireprosci.2016.02.009$2DOI
100 1 $aFIERRO, S.
245 $aConcentrations of steroid hormones, estrous, ovarian andreproductive responses in sheep estrous synchronized withdifferent prostaglandin-based protocols.
260 $c2016
500 $aArticle history: Received 14 August 2015; Received in revised form 7 February 2016; Accepted 8 February 2016; Available online 10 February 2016.
520 $aTo determine estrous, ovarian and reproductive responses after different prostaglandin(PG)-based protocols, ewes were assigned to groups PG10, PG12, PG14 or PG16 (two PGinjections administered 10, 12, 14 or 16 days apart; respectively). Experiment I (n = 132) wasconducted to evaluate the estrous response, ovulation rate (OR), conception and fertility.Experiment II (n = 24) was conducted to evaluate ovarian follicle growth, steroid concen-trations and the interval from the second PG injection to estrus (PG-estrus) and ovulation(PG-ovulation). Estrous response was less with the PG16 (P < 0.05) treatment, and the extentof estrous synchrony was greater with the PG10 and PG12 treatments. Ovarian folliclegrowth and the intervals for the variables PG-estrus, PG-ovulation and OR were similaramong groups (P > 0.05). From 8 to 4 days before estrus, progesterone (P4) concentrationswere greater for the PG14 and PG16 than for the PG10 and PG12 (P < 0.05) groups. Therewere more days where concentrations of P4 were above 3.18 nmol/L with the PG14 andPG16 than PG10 and PG12 (P < 0.05) treatments. Use of the PG14 and PG16 treatmentsresulted in greater estradiol (E2) at estrus and 12 h later than use of the PG10 and PG12treatments. A positive correlation was observed between the duration of the luteal phaseand maximum E2 concentrations, and between duration of the luteal phase and days withE2 concentrations above 10 pmol/L. Conception and fertility were greater with use of thePG14 compared with PG10 and PG12 (P < 0.05) treatments. The administration of two PGinjections 10, 12, 14 or 16 days apart resulted in different durations of the luteal phasethat were positively associated with E2 concentrations and the reproductive outcome. Theshorter luteal phases were associated with greater synchrony in time of estrus. The intervalsfor the variables PG-estrus, PG-ovulation and OR were similar among groups.
650 $aINSEMINACIÓN ARTIFICIAL
650 $aOVINOS
650 $aREPRODUCCIÓN
650 $aTASA OVULATORIA
653 $aESTROUS SYNCHRONIZATION
653 $aEWE
653 $aPROSTAGLANDIN
653 $aSTEROID HORMONES
653 $aTIMED ARTIFICIAL INEMINATION
700 1 $aVIÑOLES, C.
700 1 $aOLIVERA-MUZANTE, J.
773 $tAnimal Reproduction Science, 2016$gv. 167, p. 74-82.
Descargar
Esconder MarcPresentar Marc Completo |
|
Registro original : |
INIA Tacuarembó (TBO) |
|
|
Biblioteca
|
Identificación
|
Origen
|
Tipo / Formato
|
Clasificación
|
Cutter
|
Registro
|
Volumen
|
Estado
|
Volver
|
| Expresión de búsqueda válido. Check! |
|
|
