Effects of Dietary Rapeseed Meal on Growth Performance, Carcass Traits, Serum Parameters, and Intestinal Development of Geese

砂囊 生物 油菜籽 饲料转化率 餐食 动物科学 豆粕 肉鸡 法氏囊 前胃 食品科学 体重 内分泌学 脾脏 解剖 免疫学 原材料 古生物学 生态学
作者
Zhenming Fu,Guoqiang Su,Haiming Yang,Qiang Sun,Zhong Tao,Zhiyue Wang
出处
期刊:Animals [MDPI AG]
卷期号:11 (6): 1488-1488 被引量:4
标识
DOI:10.3390/ani11061488
摘要

The use of inexpensive nonconventional feed materials, such as rapeseed meal (RSM), could help alleviate the shortage of feed materials in the poultry industry. This study was to investigate the effects of dietary double-low RSM on growth performance, carcass traits, serum parameters, and intestinal development of geese. A total of 270 healthy 35-day-old male Jiangnan White geese were randomly divided into five treatments, with six replicate pens of nine geese each. The geese were fed five isonitrogenous and isocaloric diets containing 0%, 4%, 8%, 12%, and 16% RSM replacing dietary soybean meal for 35 days. At 35, 49, and 70 d, the BW and feed intake were recorded. All Samples were collected at 70 d of age. The results showed that dietary RSM up to 16% did not affect the BW, ADFI, ADG, and feed/gain ratio (F/G) during 35 to 49 d, 49 to 70 d, and 35 to 70 d periods (p > 0.05). At 70 d, no difference was observed in carcass yield or serum biochemical parameters among groups (p > 0.05). Dietary 12% and 16% RSM significantly increased the concentration of serum GH compared with 0%, 4%, 8% groups (p < 0.01), but serum TSH, T3 and T4 were unaffected (p > 0.05). The relative weights of heart, liver, spleen, proventriculus, gizzard, and small intestine were similar among groups (p > 0.05). However, the geese fed dietary 16% RSM had greater bursa of Fabricius than geese in the 8% group (p < 0.05). Intestinal morphology was unaffected by treatments (p > 0.05). According to the findings, dietary RSM up to 16% can be used in geese diets without impact on production performance.
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