01883naa a2200265 a 450000100080000000500110000800800410001902400540006010000150011424501550012926000090028452010810029365000100137465000200138465000120140465000250141665000100144165000150145165000140146665300310148065300150151165300180152670000150154477300580155915238662023-07-20 1996 bl uuuu u00u1 u #d7 ahttps://doi.org/10.1016/0921-4488(95)00774-12DOI1 aMISHRA, S. aEffects of different RDP and UDP ratios on voluntary intake, milk production and feed conversion efficiency in lactating goats.h[electronic resource] c1996 aAbstract: Eighteen goats (Alpine × Beetal) of similar milk yield and lactation number were fed one of three diets of different RDP/ UDP ratios (A, 75:25; B, 55:45; C, 55:45 having 20% less CP than either Diets A or B). All animals were provided ad libitum green oat forage as basal roughage and concentrates twice a day 1 h before milking. The DMI was higher (P < 0.01) on Diet A (1278 g day?1) than on Diets B (1214 g day-1) or C (1203 g day-1) during 120 days. Overall intake of UDP was higher in Diet B (73 g day-1) than C (61 g day-1) or A (48 g day?1). Milk production (kg day-1) was higher (P < 0.01) on Diet B (1.56) than A (1.34) or C (1.34). The respective fat content of milk was 3.77%, 3.44% and 3.89% in Groups A, B and C. Total solids contents were also lower (P < 0.05) in Diet B than on A or C. Feed conversion efficiency was superior (P < 0.01) on Diet B than A or C (1.10, 1.39 and 1.24 kg milk yield per kg DMI). Diet B was most economical for milk production. It was concluded that the 55:45 ratio of RDP to UDP in diets was optimum and economical. aGoats aMilk production aCaprino aConversão Alimentar aLeite aProdução aProteína aFeed conversion efficiency aOat forage aRDP UDP ratio1 aRAI, S. N. tSmall Ruminant Researchgv. 20, n. 1, p. 31-38, 1996.