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首页> 美国卫生研究院文献>Asian-Australasian Journal of Animal Sciences >Growth Performance Carcass Traits and Serum Mineral Chemistry as Affected by Dietary Sodium and Sodium Salts Fed to Broiler Chickens Reared under Phase Feeding System
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Growth Performance Carcass Traits and Serum Mineral Chemistry as Affected by Dietary Sodium and Sodium Salts Fed to Broiler Chickens Reared under Phase Feeding System

机译：阶段饲喂系统饲喂肉鸡日粮中钠和钠盐对生长性能Car体性状和血清矿物质化学的影响

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A basal diet (0.8 g/kg dNa) was formulated in which each of the two sources (NaHCO3 and Na2SO4) were supplemented in such a way to attain four levels (1.7, 2.6, 3.5, and 4.4 g/kg) of total dNa, respectively, under 4×2 factorial arrangement. Eight dietary treatments were replicated four times, with 40 birds in each replicate (n = 1,280). The diets supplemented with Na2SO4 to attain higher levels of dNa showed highest BW gain and feed intake (FI) during d 1 to 10 (interaction effects) while 2.6 g/kg dNa exhibited improved BW gain and gain:feed (FG) during d 11 to 20. Linear rise in daily water intake (DWI) was associated with diets containing increasing dNa during d 1 to 42 (p≤0.036). During the first 10 d, DWI:FI was found highest in NaHCO3 diets while Na2SO4 diets showed highest DWI:FI during last 10 d of the experiment (p≤0.036). Increasing dNa and changing Na2SO4 with NaHCO3 salt increased pH and resulted in poor growth performance. Dressing weight (p≤0.001) and abdominal fat (p≤0.001; quadratic effect) were reduced, whereas breast (p≤0.001) and thigh (p<0.001) weights were aggravated with increasing dNa (linear effects). Present findings suggested higher levels of dNa from Na2SO4 as the supplemental salt in broiler diets would produce better growth performance, especially in first ten days of life, and improve carcass and body organ characteristics.
机译：配制基础饮食（0.8 g / kg dNa），其中两种来源（NaHCO3和Na2SO4）的每种补充量均达到总dNa的四个水平（1.7、2.6、3.5和4.4 g / kg）分别在4×2阶乘下。八种饮食疗法重复四次，每重复40只鸡（n = 1,280）。补充Na2SO4达到较高dNa水平的日粮在第1到10天期间显示出最高的BW增重和摄食量（相互作用），而2.6 g / kg dNa在第11天期间显示出改善的BW增重和增重：饲料（FG）到20。每日摄入水量（DWI）的线性增加与在d 1至42期间dNa含量增加的饮食有关（p≤0.036）。在最初的10 d中，NaHCO3饮食中的DWI：FI最高，而在实验的最后10 d中，Na2SO4饮食中的DWI：FI最高（p≤0.036）。增加dNa并用NaHCO3盐改变Na2SO4会增加pH值，并导致较差的生长性能。敷料重量（p≤0.001）和腹部脂肪（p≤0.001；二次效应）降低，而乳​​房（p≤0.001）和大腿（p <0.001）重量随着dNa的增加而加重（线性效应）。目前的发现表明，Na2SO4中的dNa含量较高，因为肉鸡日粮中的补充盐会产生更好的生长性能，特别是在生命的前十天，并会改善car体和身体器官的特性。

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