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On-line Access: 2017-10-05

Received: 2016-06-20

Revision Accepted: 2016-11-19

Crosschecked: 2017-09-13

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Li-chun Qian


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Journal of Zhejiang University SCIENCE B 2017 Vol.18 No.10 P.886-896


Effects of neutral phytase on growth performance and phosphorus utilization in crucian carp (Carassius auratus)

Author(s):  Xin-zheng Nie, Sha Chen, Xiao-xu Zhang, Bin-yang Dai, Li-chun Qian

Affiliation(s):  Key Laboratory of Nutrition and Feed Science in East China, Ministry of Agriculture, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China

Corresponding email(s):   lcqian@zju.edu.cn

Key Words:  Neutral phytase, Crucian carp (Carassius auratus), Growth performance, Phosphorus utilization, Apparent digestibility coefficient, Body composition

Xin-zheng Nie, Sha Chen, Xiao-xu Zhang, Bin-yang Dai, Li-chun Qian. Effects of neutral phytase on growth performance and phosphorus utilization in crucian carp (Carassius auratus)[J]. Journal of Zhejiang University Science B, 2017, 18(10): 886-896.

@article{title="Effects of neutral phytase on growth performance and phosphorus utilization in crucian carp (Carassius auratus)",
author="Xin-zheng Nie, Sha Chen, Xiao-xu Zhang, Bin-yang Dai, Li-chun Qian",
journal="Journal of Zhejiang University Science B",
publisher="Zhejiang University Press & Springer",

%0 Journal Article
%T Effects of neutral phytase on growth performance and phosphorus utilization in crucian carp (Carassius auratus)
%A Xin-zheng Nie
%A Sha Chen
%A Xiao-xu Zhang
%A Bin-yang Dai
%A Li-chun Qian
%J Journal of Zhejiang University SCIENCE B
%V 18
%N 10
%P 886-896
%@ 1673-1581
%D 2017
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.B1600280

T1 - Effects of neutral phytase on growth performance and phosphorus utilization in crucian carp (Carassius auratus)
A1 - Xin-zheng Nie
A1 - Sha Chen
A1 - Xiao-xu Zhang
A1 - Bin-yang Dai
A1 - Li-chun Qian
J0 - Journal of Zhejiang University Science B
VL - 18
IS - 10
SP - 886
EP - 896
%@ 1673-1581
Y1 - 2017
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.B1600280

A feeding trial was conducted for nine weeks to investigate the effects of partially replacing Ca(H2PO4)2 with neutral phytase on the growth performance, phosphorus utilization, nutrient digestibility, serum biochemical parameters, bone and carcass mineral composition, and digestive-enzyme-specific activity in crucian carp (Carassius auratus). The diets prepared with 0.8%, 0%, and 1.8% Ca(H2PO4)2 (1%=1 g/100 g) supplements were regarded as the P1E0, negative control (NC), and positive control (PC) groups, respectively; the other three experimental diets were prepared with the addition of 200, 300, and 500 U/kg of neutral phytase, respectively, based on the P1E0 group. Three hundred and eighty-four fish ((1.50±0.01) g) were randomly distributed in the six treatments with four replicates each. The fish were initially fed with 2%–3% diets of their body weight per day, with feeding twice daily (08:00 and 16:00), under a 12-h light/12-h dark cycle at the temperature of (27.56±0.89) °C. The results showed that supplemental phytase at different levels in the diet improved the final body weight, average daily gain, feed conversion ratio, phosphorus utilization, and protein efficiency ratio of crucian carp (P<0.05). Phytase supplementation increased the mineral content in serum (P), bone (P, Ca), and carcass (P, Ca, Zn, Na, and Mg) (P<0.05); the trypsin and chymotrypsin activity soared when fed with the phytase-supplemented diets (P<0.05). We may conclude that supplemental dietary neutral phytase improved the growth performance, phosphorus utilization as well as nutrient utilization in crucian carp, and it can be considered an important nutritional replacement for Ca(H2PO4)2.


方法:384条鲫鱼((1.50±0.01) g)随机分为6组,分别饲喂对照组(未添加中性植酸酶)跟试验组(添加不同剂量中性植酸酶)日粮63天,比较3组间各项指标差异。


Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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