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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
Fecha : |
30/05/2019 |
Actualizado : |
10/06/2019 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Autor : |
ZAGO, D; CANOZZI, M.E.A.; BARCELLOS, J.O,J. |
Afiliación : |
Department of Animal Science, Federal University of Rio Grande do Sul. Av. Bento Gonçalves n. 7712, 91540-000, Porto Alegre, RS, Brazil.; MARÍA EUGENIA ANDRIGHETTO CANOZZI, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; JULIO BARCELLOS, Department of Animal Science, Federal University of Rio Grande do Sul. Av. Bento Gonçalves n. 7712, 91540-000, Porto Alegre, RS, Brazil. |
Título : |
Pregnant cow nutrition and its effects on foetal weight-a meta-analysis. |
Fecha de publicación : |
2019 |
Fuente / Imprenta : |
The Journal of Agricultural Science,Volume 157, Issue 1, January 2019 , pp. 83-95. |
DOI : |
10.1017/S0021859619000315 |
Idioma : |
Inglés |
Notas : |
Article history: Received: 5 December 2018//Revised: 5 March 2019//Accepted: 3 April 2019//First published online: 9 May 2019. |
Contenido : |
Abstract:The prenatal development of cattle has influence on productive performance throughout postnatal life. The number of muscle and fat cells that the animal will have throughout its life is determined in the foetal stage and is influenced by nutrition of the pregnant cow. A systematic review and meta-analysis was performed to evaluate the effect of different energy levels (total digestible nutrient, TDN) and crude protein (CP) supplied to pregnant cows on foetal weight at 4 (FW4) and 8 months (FW8) and calf birth weight (CBW). Four studies and six trials involving 170 animals were assessed for FW4; four studies, four trials and 156 animals for FW8 and 48 studies, 125 trials and 9053 animals for CBW. High heterogeneity across studies was presented in FW4 (I2 = 94.4%), FW8 (I2 = 91.08%) and CBW (I2 = 96.9%). Dietary TDN and CP levels did not influence FW4. The FW8 was reduced by 2.24 kg when cows were fed 100% of their CP and TDN requirements (I2 = 0%), relative to those fed 70% of their requirements during the first and second trimesters. The CBW was reduced by 0.45 kg (I2 = 96.9%) when cows were fed 130% of their CP requirements relative to other dietary CP levels. When cows were fed 140% of their TDN requirements, CBW decreased by 2.71 kg (I2 = 98.3%) relative to other TDN levels. Dietary energy or CP levels fed above the requirements to pregnant cows restrict foetal development and CBW. |
Palabras claves : |
BEEF CATTLE; BIRTH WEIGHT; COW-CALF HERD; FOETAL PROGRAMMING; FOETAL WEIGHT; PESO FETAL; VACA PREÑADA. |
Thesagro : |
NUTRICIÓN ANIMAL. |
Asunto categoría : |
L51 Fisiología Animal - Nutrición |
Marc : |
LEADER 02310naa a2200265 a 4500 001 1059794 005 2019-06-10 008 2019 bl uuuu u00u1 u #d 024 7 $a10.1017/S0021859619000315$2DOI 100 1 $aZAGO, D 245 $aPregnant cow nutrition and its effects on foetal weight-a meta-analysis.$h[electronic resource] 260 $c2019 500 $aArticle history: Received: 5 December 2018//Revised: 5 March 2019//Accepted: 3 April 2019//First published online: 9 May 2019. 520 $aAbstract:The prenatal development of cattle has influence on productive performance throughout postnatal life. The number of muscle and fat cells that the animal will have throughout its life is determined in the foetal stage and is influenced by nutrition of the pregnant cow. A systematic review and meta-analysis was performed to evaluate the effect of different energy levels (total digestible nutrient, TDN) and crude protein (CP) supplied to pregnant cows on foetal weight at 4 (FW4) and 8 months (FW8) and calf birth weight (CBW). Four studies and six trials involving 170 animals were assessed for FW4; four studies, four trials and 156 animals for FW8 and 48 studies, 125 trials and 9053 animals for CBW. High heterogeneity across studies was presented in FW4 (I2 = 94.4%), FW8 (I2 = 91.08%) and CBW (I2 = 96.9%). Dietary TDN and CP levels did not influence FW4. The FW8 was reduced by 2.24 kg when cows were fed 100% of their CP and TDN requirements (I2 = 0%), relative to those fed 70% of their requirements during the first and second trimesters. The CBW was reduced by 0.45 kg (I2 = 96.9%) when cows were fed 130% of their CP requirements relative to other dietary CP levels. When cows were fed 140% of their TDN requirements, CBW decreased by 2.71 kg (I2 = 98.3%) relative to other TDN levels. Dietary energy or CP levels fed above the requirements to pregnant cows restrict foetal development and CBW. 650 $aNUTRICIÓN ANIMAL 653 $aBEEF CATTLE 653 $aBIRTH WEIGHT 653 $aCOW-CALF HERD 653 $aFOETAL PROGRAMMING 653 $aFOETAL WEIGHT 653 $aPESO FETAL 653 $aVACA PREÑADA 700 1 $aCANOZZI, M.E.A. 700 1 $aBARCELLOS, J.O,J. 773 $tThe Journal of Agricultural Science,Volume 157, Issue 1, January 2019 , pp. 83-95.
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1. | | Germán, S.; Balbi, M.; Silveira, C.; Tojo, C.; Capdevielle, F.; Pereyra, S.; Berretta, A. Colección nacional de cebada INIA La Estanzuela 1993 ln: Reunión Nacional de Investigadores de Cebada, 4., 1993, Palmar Montevideo (Uruguay): INIA; LATU; SALUS, 1993. p. 177-179Biblioteca(s): INIA La Estanzuela. |
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2. | | TOJO, C.; CAPDEVIELLE, F.; GERMAN, S.; PEREYRA, S.; BERRETTA, A.; SYLVEIRA, C.; BALBI, M. A diversity analysis of a sample of the Uruguayan National Barley Collection at the phenotypic and molecular level. In: INTERNATIONAL OAT CONFERENCE, 5.; INTERNATIONAL BARLEY GENETICS SYMPOSIUM, 7., SASKATOON, SK, CA.; SLINKARD, A.; SCOLES, G.; ROSSNAGEL, B. (Ed.). Proceedings: poster sessions; volume 1. Saskatoon, SK, CA: University Extension Press, 1996. p. 227-229.Biblioteca(s): INIA La Estanzuela. |
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