Effects of Cereals and Cereal By-Products Supplemented with Non-Starch Polysaccharides Enzyme on Nutrient Utilization Rates of Meat Ducks

ZHANG Xu; ZHANG Yanguo; JIANG Guitao; ZHANG Jianhua; WANG Xiangrong; HU Yan; DAI Qiuzhong

doi:10.3969/j.issn.1006-267x.2013.12.015

2013 , Vol. 25 >Issue 12: 2888 - 2896

DOI: https://doi.org/10.3969/j.issn.1006-267x.2013.12.015

Poultry Nutrition

Effects of Cereals and Cereal By-Products Supplemented with Non-Starch Polysaccharides Enzyme on Nutrient Utilization Rates of Meat Ducks

ZHANG Xu ,
ZHANG Yanguo ,
JIANG Guitao ,
ZHANG Jianhua ,
WANG Xiangrong ,
HU Yan ,
DAI Qiuzhong

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1. Animal Nutrition and Feeding Technology Department, Hunan Institute of Animal Science and Veterinary Medicine, Changsha 410131, China;
2. Laboratory Management Office, Northeast Agricultural University, Harbin 150030, China;
3. College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China

Received date: 2013-07-01

Online published: 2013-11-19

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Abstract

The aim of this experiment was to study the effects of cereals and cereal by-products supplemented with non-starch polysaccharides (NSP) enzyme on nutrient utilization rates of meat ducks. A total of 56 healthy adult male meat Ma ducks with the body weight about 2.0 kg were randomly divided into 7 groups and 8 replicates in each group. Metabolic test was carried out by 'hunger strike-gavage method' to determine apparent and true utilization rates of dry matter (DM), crude protein (CP), ether extract (EE) and crude fiber (CF) of 14 kinds of cereals and cereal by-products before and after adding NSP enzyme. The results showed that most of the 14 kinds of cereals and cereal by-products adding with NSP enzyme could improve the apparent and true utilization rates of DM, CP, EE and CF. Among them, the apparent utilization rates of DM, CP, EE and CF of corn were increased by 6.69% (P<0.01), 24.73% (P<0.05), 7.40% (P>0.05) and 9.95% (P<0.05), respectively; the apparent utilization rates of CP and CF of rice bran were increased by 14.20% and 4.55% (P>0.05), respectively; the apparent utilization rates of EE and CF of DDGS were increased by 12.57% and 4.99% (P>0.05), respectively; the apparent utilization rates of DM and CP of secondary flour were increased by 1.26% and 13.87% (P>0.05), respectively. NSP enzyme addition could make most of the cereals and cereal by-products release additional effective nutrients. The effective nutrient improvement value (ENIV) range of DM was 0.09 to 46.92 g/kg, the ENIV range of CP was 0.49 to 9.55 g/kg, the ENIV range of EE was 0.13 to 8.85 g/kg and the ENIV range of CF was 0.31 to 7.78 g/kg. The results indicate that cereals and cereal by-products adding with NSP enzyme can improve the nutrient utilization rates of meat ducks in different extent.

Key words： cereals and cereal by-products; non-starch polysaccharides enzyme; meat duck; nutrient utilization rate; EVIN

Cite this article

ZHANG Xu , ZHANG Yanguo , JIANG Guitao , ZHANG Jianhua , WANG Xiangrong , HU Yan , DAI Qiuzhong . Effects of Cereals and Cereal By-Products Supplemented with Non-Starch Polysaccharides Enzyme on Nutrient Utilization Rates of Meat Ducks[J]. Chinese Journal of Animal Nutrition, 2013 , 25(12) : 2888 -2896 . DOI: 10.3969/j.issn.1006-267x.2013.12.015

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