2019
DOI: 10.1016/j.smallrumres.2019.07.016
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Performance, feeding behavior and digestibility of nutrients in lambs with divergent efficiency traits

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Cited by 15 publications
(9 citation statements)
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References 28 publications
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“…These results agree with that reported by Arce-Recinos et al [ 10 ] who observed in Pelibuey lambs with low-RFI lower DMI (34.1 vs. 40.2 g), OMI (31.7 vs. 37.4 g), CPI (5.4 vs. 6.2 g), NDFI (13.2 vs. 15.9 g) and a lower percentage of DMI (8.3 vs. 9.6%) than lambs with high-RFI when feed intake was expressed in relation to LW 0.75 . On the other hand, the difference of 150 g/d between efficient and inefficient lambs is in accordance with that reported in hair sheep, which ranged from 160 to 190 g/d [ 8 , 9 , 10 ].…”
Section: Resultssupporting
confidence: 89%
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“…These results agree with that reported by Arce-Recinos et al [ 10 ] who observed in Pelibuey lambs with low-RFI lower DMI (34.1 vs. 40.2 g), OMI (31.7 vs. 37.4 g), CPI (5.4 vs. 6.2 g), NDFI (13.2 vs. 15.9 g) and a lower percentage of DMI (8.3 vs. 9.6%) than lambs with high-RFI when feed intake was expressed in relation to LW 0.75 . On the other hand, the difference of 150 g/d between efficient and inefficient lambs is in accordance with that reported in hair sheep, which ranged from 160 to 190 g/d [ 8 , 9 , 10 ].…”
Section: Resultssupporting
confidence: 89%
“…Residual feed intake is the difference between feed intake and expected feed intake for a given weight and productive level [ 7 ]. Recent studies in hair sheep indicated that efficient lambs (low RFI) eat less feed and have growth rates similar compared to inefficient animals [ 8 , 9 , 10 ].…”
Section: Introductionmentioning
confidence: 99%
“…Los estudios que involucran los índices CAR y GIR, han sido realizados principalmente en especies bovinas, porcinas y aves. En el caso de ovinos se han realizado en razas de clima templado; aunque, se han reportado cuatro estudios que involucran cruzas de ovinos de pelo de la raza brasileña, destacando la raza Santa Inés y Pantaneira (5,36,37,38) , y un estudio en la raza Dorper (39) (Cuadros 1 y 2). En México se comienza a implementar esta herramienta por lo que el número de estudios es reducido, y en ovinos solo se tiene el trabajo realizado con la raza Rambouillet (40) , por lo que se desconoce el comportamiento en los ovinos de pelo (Cuadro 1).…”
Section: íNdices De Eficiencia Alimenticiaunclassified
“…La mayoría de los estudios (Cuadro 1) indican que los ovinos con CAR bajo tienen la misma GDP que animales con CAR alto (5,6,(38)(39)(40)(45)(46)(47)(48)(49)(50)(51)(52)(53)(54)(55) , debido a que los animales con bajo CAR tienen una mejor eficiencia en el uso de la energía (33) . Sin embargo, Rocha et al (37) reportaron diferencias significativas en la GDP, haciendo más notoria la eficiencia en la utilización de la energía; en todos los estudios el CMS fue menor en los animales más eficientes, observándose una diferencia que varía en un rango de 9 a 30 % comparado con los menos eficientes.…”
Section: Consumo De Alimento Y Comportamiento Productivounclassified
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