Onbaşilar E E, Yalçin S, Torlak E, Ozdemir P
Department of Animal Science, Ankara University, Faculty of Veterinary Medicine, 06110, Ankara, Turkey.
Trop Anim Health Prod. 2009 Oct;41(7):1513-9. doi: 10.1007/s11250-009-9341-8. Epub 2009 Apr 2.
The aim of this study was to determine the effects of early feed restriction on performance, carcass characteristics, meat and liver composition, some blood parameters, H-L ratio, antibody titers against SRBC and tonic immobility duration in broilers. One hundred ninety male chicks (Ross 308) were randomly allocated into two treatment groups each of 95 chicks. Broilers in one treatment fed ad libitum until 42 day of age, however in other treatment, broilers were deprived of feed for 4 h per day from 7 to 21 day. Body weight, feed consumption, feed to gain ratio, carcass characteristics and the percentage of examined organs except heart were not statistically significant in groups. Percentage of heart was higher (p < 0.05) in broilers fed ad libitum. At 41 d of age, H-L ratio (p < 0.05) and TI duration (p = 0.001) were higher, serum glucose (p < 0.05) and triglyceride (p < 0.001) levels were lower in broilers fed ad libitum. Chemical composition of breast and thigh and also fat and ash of liver were not affected by early feed restriction. Moisture of liver (p = 0.001) was lower and protein of liver (p < 0.01) was higher in broilers fed ad libitum.
本研究的目的是确定早期限饲对肉鸡生长性能、胴体特性、肌肉和肝脏组成、一些血液参数、H-L 比值、抗 SRBC 抗体效价以及强直静止时间的影响。190 只雄性雏鸡（罗斯 308）被随机分为两个处理组，每组 95 只雏鸡。一个处理组的肉鸡在 42 日龄前自由采食，然而在另一个处理组中，肉鸡在 7 至 21 日龄期间每天禁食 4 小时。两组之间的体重、采食量、料重比、胴体特性以及除心脏外的被检查器官的比例没有统计学显著差异。自由采食组的肉鸡心脏比例较高（p < 0.05）。在 41 日龄时，自由采食组的肉鸡 H-L 比值（p < 0.05）和强直静止时间（p = 0.001）较高，血清葡萄糖（p < 0.05）和甘油三酯（p < 0.001）水平较低。早期限饲对鸡胸肉和大腿肉的化学成分以及肝脏的脂肪和灰分没有影响。自由采食组的肉鸡肝脏水分较低（p = 0.001），肝脏蛋白质较高（p < 0.01）。
