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| 106. |  | MONZALVO, C.; GARCÍA PINTOS, M.; GIMENO, D.; SANGUINETTI, M.; LOMBARDI, A.; NADAL, A.; CIAPPESONI, G. MERILIN PLUS®. El doble propósito: fino y prolífico. Un caso de mejoramiento genético participativo. Revista INIA Uruguay, 2019, no. 56, p. 35-39. (Revista INIA; 56). Agradecimiento: A Daniel Rosmarino, de Propaganda Rural, por la gentileza de ceder las fotografías para el presente artículo.| Biblioteca(s): INIA Las Brujas. |
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| 115. | | DE BARBIERI, I. Tener sistemas de producción ovina sostenibles y biodiversidad sería positivo para todos. In: INIA (Instituto Nacional de Investigación Agropecuaria; Horack, A.; García, M.J. (Eds.). INIA Informa (No.4, Agosto-Setiembre 2019). Montevideo (UY): INIA, 2019. pags. 10-11. Entrevista al Ing. Agr. Ignacio de Barbieri, investigador del Programa de Carne y Lana de INIA, en referencia a un proyecto del instituto que busca generar datos para identificar ovinos eficientes, productivos y resilientes.| Biblioteca(s): INIA Las Brujas; INIA Tacuarembó. |
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Registro completo
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Biblioteca (s) : |
INIA Tacuarembó. |
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Fecha actual : |
27/03/2018 |
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Actualizado : |
02/04/2018 |
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Tipo de producción científica : |
Abstracts/Resúmenes |
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Autor : |
RAMOS, Z.; DE BARBIERI, I.; VAN LIER, E.; MONTOSSI, F. |
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Afiliación : |
ZULLY MARGOT RAMOS ALVEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; LUIS IGNACIO DE BARBIERI ETCHEBERRY, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; FABIO MARCELO MONTOSSI PORCHILE, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
Body and wool growth of lambs on native pastures are improved using energetic supplementation with different protein levels. [Resumen]. |
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Fecha de publicación : |
2018 |
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Fuente / Imprenta : |
In: CONGRESO ASOCIACIÓN URUGUAYA DE PRODUCCIÓN ANIMAL (6º, Marzo, 2018, Tacuarembó, Uruguay). Resúmenes. Tacuarembó: AUPA, 2018. |
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Páginas : |
p. 52 |
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Idioma : |
Español |
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Contenido : |
In extensive sheep production systems -based primarily on native pastures (NP)-, summer forage production is mainly explained by rainfall and it presents a high variability among years. Additionally, in summer just after weaning, dry matter digestibility, metabolizable energy and crude protein (CP) content of NP are insufficient to meet the requirements of lambs so as to achieve their potential body and wool growth. The strategic use of supplements is key to improving productivity. In a completely randomized experimental design with two replications, the impact of iso-energetic supplements with different protein levels on body and wool growth was studied in eighty crossbreed (Merino Dohne × Corriedale) castrated male lambs (24.5 ± 4.4 kg of body weight, BW, 4 months of age) in summer (103 days) for three years. Animals were randomly allotted to four treatments (n=20). All lambs grazed NP and in three treatments animals were daily supplemented (2% BW) with an iso-energetic supplement of different CP levels: control (CON, no supplement), 12% CP (12CP), 16% CP (16CP) and 20% CP (20CP). Supplemented lambs presented higher final BW (36.0, 36.4 and 37.7 kg for 12, 16 and 20CP, respectively) than CON lambs (28.9 kg) (P<0.05). Among supplemented lambs, the 12CP group had the lowest BW (P<0.05), without differences between 16CP and 20CP. Supplemented lambs presented greater average daily gain, body condition score, rib eye area and fat thickness than CON lambs (P<0.05). Wool growth was 40% higher in supplemented lambs compared to CON lambs (P<0.05), while 20CP animals presented the greatest growth. Iso-energetic supplementation with different CP (12, 16 and 20%) content improved body and wool growth of lambs grazing NP compared to non-supplemented lambs in summer after weaning. Body and wool growth were greatest when 20% CP supplement was used. MenosIn extensive sheep production systems -based primarily on native pastures (NP)-, summer forage production is mainly explained by rainfall and it presents a high variability among years. Additionally, in summer just after weaning, dry matter digestibility, metabolizable energy and crude protein (CP) content of NP are insufficient to meet the requirements of lambs so as to achieve their potential body and wool growth. The strategic use of supplements is key to improving productivity. In a completely randomized experimental design with two replications, the impact of iso-energetic supplements with different protein levels on body and wool growth was studied in eighty crossbreed (Merino Dohne × Corriedale) castrated male lambs (24.5 ± 4.4 kg of body weight, BW, 4 months of age) in summer (103 days) for three years. Animals were randomly allotted to four treatments (n=20). All lambs grazed NP and in three treatments animals were daily supplemented (2% BW) with an iso-energetic supplement of different CP levels: control (CON, no supplement), 12% CP (12CP), 16% CP (16CP) and 20% CP (20CP). Supplemented lambs presented higher final BW (36.0, 36.4 and 37.7 kg for 12, 16 and 20CP, respectively) than CON lambs (28.9 kg) (P<0.05). Among supplemented lambs, the 12CP group had the lowest BW (P<0.05), without differences between 16CP and 20CP. Supplemented lambs presented greater average daily gain, body condition score, rib eye area and fat thickness than CON lambs (P<0.05). Wool growth w... Presentar Todo |
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Palabras claves : |
BODY CONDITION SCORE; BODY WEIGHT; GRAZING; SHEEP. |
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Thesagro : |
OVINOS. |
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Asunto categoría : |
L01 Ganadería |
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URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/9019/1/AUPA-P52.pdf
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Marc : |
LEADER 02605nam a2200217 a 4500
001 1058343
005 2018-04-02
008 2018 bl uuuu u01u1 u #d
100 1 $aRAMOS, Z.
245 $aBody and wool growth of lambs on native pastures are improved using energetic supplementation with different protein levels. [Resumen].$h[electronic resource]
260 $aIn: CONGRESO ASOCIACIÓN URUGUAYA DE PRODUCCIÓN ANIMAL (6º, Marzo, 2018, Tacuarembó, Uruguay). Resúmenes. Tacuarembó: AUPA$c2018
300 $ap. 52
520 $aIn extensive sheep production systems -based primarily on native pastures (NP)-, summer forage production is mainly explained by rainfall and it presents a high variability among years. Additionally, in summer just after weaning, dry matter digestibility, metabolizable energy and crude protein (CP) content of NP are insufficient to meet the requirements of lambs so as to achieve their potential body and wool growth. The strategic use of supplements is key to improving productivity. In a completely randomized experimental design with two replications, the impact of iso-energetic supplements with different protein levels on body and wool growth was studied in eighty crossbreed (Merino Dohne × Corriedale) castrated male lambs (24.5 ± 4.4 kg of body weight, BW, 4 months of age) in summer (103 days) for three years. Animals were randomly allotted to four treatments (n=20). All lambs grazed NP and in three treatments animals were daily supplemented (2% BW) with an iso-energetic supplement of different CP levels: control (CON, no supplement), 12% CP (12CP), 16% CP (16CP) and 20% CP (20CP). Supplemented lambs presented higher final BW (36.0, 36.4 and 37.7 kg for 12, 16 and 20CP, respectively) than CON lambs (28.9 kg) (P<0.05). Among supplemented lambs, the 12CP group had the lowest BW (P<0.05), without differences between 16CP and 20CP. Supplemented lambs presented greater average daily gain, body condition score, rib eye area and fat thickness than CON lambs (P<0.05). Wool growth was 40% higher in supplemented lambs compared to CON lambs (P<0.05), while 20CP animals presented the greatest growth. Iso-energetic supplementation with different CP (12, 16 and 20%) content improved body and wool growth of lambs grazing NP compared to non-supplemented lambs in summer after weaning. Body and wool growth were greatest when 20% CP supplement was used.
650 $aOVINOS
653 $aBODY CONDITION SCORE
653 $aBODY WEIGHT
653 $aGRAZING
653 $aSHEEP
700 1 $aDE BARBIERI, I.
700 1 $aVAN LIER, E.
700 1 $aMONTOSSI, F.
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