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Effects of gelatin or carboxymethyl cellulose supplementation during pelleting processing on feed quality, intestinal ultrastructure and growth performance in gibel carp (Carassius gibelio)
Gao, Shiyang1,2; Han, Dong1,3; Zhu, Xiaoming1,3; Yang, Yunxia1,3; Liu, Haokun1,3; Xie, Shouqi1,3; Jin, Junyan1,3
2020-04-17
Source PublicationAQUACULTURE NUTRITION
ISSN1353-5773
Issue1Pages:11
Abstract

Gelatin and carboxymethyl cellulose (CMC) were often used as binders due to their binding ability. To investigate the effects of gelatin and CMC supplementation on feed quality, intestinal ultrastructure and growth performance of gibel carp, six pelleted feed were formulated: control; supplemented with gelatin (10 g/kg, 30 g/kg and 50 g/kg); and supplemented with CMC (10 g/kg and 30 g/kg). Increased gelatin supplementation levels reduced feed solubility and pellet softening (p < .05) and decreased chemical oxygen demand in the surrounding water after pellets were immersed (p < .05). Increased levels of gelatin supplementation enhanced digesta viscosity and reduced intestinal microvilli length and digestive enzymes activities (chymotrypsin and amylase; p < .05) of fish. Fish-fed diets supplemented with 30 g/kg gelatin had higher levels of plasma total free amino acids and glucose (p < .05) than fish fed 10 g/kg and 50 g/kg gelatin. Feed supplemented with 10 g/kg CMC were softer than those supplemented with 30 g/kg CMC (p < .05); fish-fed diets supplemented with 10 g/kg CMC had longer intestinal microvilli (p < .05) than fish fed 30 g/kg CMC. Thus, our results indicated that either gelatin or CMC is applicable to supplement in the feed for improving feed quality and without negative effect on growth performance of gibel carp.

KeywordCMC gelatin gibel carp growth microvilli length viscosity
DOI10.1111/anu.13080
Indexed BySCI
Language英语
WOS Research AreaFisheries
WOS SubjectFisheries
WOS IDWOS:000526607500001
WOS KeywordTROUT ONCORHYNCHUS-MYKISS ; RAINBOW-TROUT ; SOYBEAN-MEAL ; NUTRIENT DIGESTIBILITIES ; DIGESTA VISCOSITY ; WATER STABILITY ; BINDER TYPE ; GUAR GUM ; DIETS ; MOISTURE
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/36089
Collection淡水生态学研究中心_期刊论文
Corresponding AuthorJin, Junyan
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Hubei Engn Res Ctr Aquat Anim Nutr & Feed, Wuhan, Peoples R China
Recommended Citation
GB/T 7714
Gao, Shiyang,Han, Dong,Zhu, Xiaoming,et al. Effects of gelatin or carboxymethyl cellulose supplementation during pelleting processing on feed quality, intestinal ultrastructure and growth performance in gibel carp (Carassius gibelio)[J]. AQUACULTURE NUTRITION,2020(1):11.
APA Gao, Shiyang.,Han, Dong.,Zhu, Xiaoming.,Yang, Yunxia.,Liu, Haokun.,...&Jin, Junyan.(2020).Effects of gelatin or carboxymethyl cellulose supplementation during pelleting processing on feed quality, intestinal ultrastructure and growth performance in gibel carp (Carassius gibelio).AQUACULTURE NUTRITION(1),11.
MLA Gao, Shiyang,et al."Effects of gelatin or carboxymethyl cellulose supplementation during pelleting processing on feed quality, intestinal ultrastructure and growth performance in gibel carp (Carassius gibelio)".AQUACULTURE NUTRITION .1(2020):11.
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