ENERGY AND PROTEIN INGREDIENTS FOR USE IN PIAPARA (Megaleporinus obtusidens) DIETS: NUTRITIVE VALUE AND INTESTINAL MORPHOMETRY

IF 0.5 4区农林科学 Q4 FISHERIES

Boletim do Instituto de Pesca Pub Date : 2021-08-24 DOI:10.20950/1678-2305/bip.2021.47.e633

Renata Akemi Tanaka, Viviane do Nascimento Santana de Almeida, Carolina Vasconcelos Tavares de Farias, Luana Camargo Sousa, Gabriela Castellani Carli, C. F. Mansano, L. S. Takahashi

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Abstract

The apparent digestibility coefficients for crude protein (ADCCP), dry matter (ADCDM), and gross energy (ADCGE) of ingredients were determined for piapara (Megaleporinus obtusidens). Test diets were formulated to contain 69.5% of reference diet, 0.5% of chromium oxide, and 30% of test ingredients. The protein ingredients evaluated were tilapia processing residue meal (TPRM), feather and poultry blood meal (FPBM), poultry by-product meal (PBM), meat and bone meal (MBM), cottonseed meal (CM), corn gluten meal (CGM), and soybean meal (SM); the energy ingredients tested were corn (C), corn germ meal (CGRM), rice meal (RM), wheat bran (WB), and sorghum (S). Groups of 30 piaparas were fed twice daily during five days with test diets. Intestinal morphometry of fish were also evaluated. Digestibility coefficients of protein and energy ingredients were highest for soybean meal (ADCDM = 85.8%; ADCCP = 95.2%; and ADCGE = 87.2%) and corn (ADCDM = 94.5%; ADCCP = 76.2%; and ADCGE = 89.3%), respectively. Of the energy test ingredients analyzed, corn had the highest digestibility coefficients and induced beneficial changes on intestinal morphology compared to sorghum and corn germ meal. All protein ingredients showed potential for use in piapara diets, except meat and bone meal .

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猪腹大孢子虫饲粮中的能量和蛋白质成分:营养价值和肠道形态测定

测定了粗蛋白质(ADCCP)、干物质(ADCDM)和总能(ADCGE)的表观消化系数。试验饲粮的参考饲粮含量为69.5%，氧化铬含量为0.5%，试验原料含量为30%。评价的蛋白质成分为罗非鱼加工渣粕(TPRM)、羽毛和家禽血粉(FPBM)、家禽副产品粕(PBM)、肉骨粉(MBM)、棉籽粕(CM)、玉米蛋白粉(CGM)和豆粕(SM);试验的能量成分为玉米(C)、玉米胚芽粕(CGRM)、米粉(RM)、麦麸(WB)和高粱(S)。每组30只，连续5 d饲喂2次试验饲粮。还对鱼类的肠道形态进行了评价。蛋白质和能量成分的消化系数以豆粕最高(ADCDM = 85.8%);Adccp = 95.2%;ADCGE = 87.2%)和玉米(ADCDM = 94.5%;Adccp = 76.2%;ADCGE = 89.3%)。在所分析的能量试验成分中，玉米的消化率系数高于高粱和玉米胚芽粕，并对肠道形态产生了有益的影响。除肉和骨粉外，所有蛋白质成分都显示出在皮亚帕拉饲料中使用的潜力。

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来源期刊

Boletim do Instituto de Pesca FISHERIES-ZOOLOGY

CiteScore

0.80

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： To publish original articles of research and short communications in the following áreas: Fisheries, Aquaculture, Zootechnology, Limnology, Oceanography, Biology and Pathology of aquatic organisms. The publication depends on the approval of the Editorial Board, based on the peer review.