EFFECT OF SUPPLEMENTAL CITRIC ACID AND PHYTASE ON GROWTH PERFORMANCE AND BODY COMPOSITION OF COMMON CARP (CYPRINUS CARPID)

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SHIR MOHAMMADI F.; POURREZA JAVAD; MAHBOUBI SOUFIANI N.A.

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Journal: Iran Agricultural Research Year:2003 | Volume:22 | Issue:2 Page(s): 138-152

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Title

EFFECT OF SUPPLEMENTAL CITRIC ACID AND PHYTASE ON GROWTH PERFORMANCE AND BODY COMPOSITION OF COMMON CARP (CYPRINUS CARPID)

Author(s)

SHIR MOHAMMADI F. | POURREZA JAVAD | MAHBOUBI SOUFIANI N.A. | Issue Writer Certificate

Keywords

BODY COMPOSITIONQ3

CITRIC ACIDQ3

COMMON CARPQ3

PHYTASEQ3

PHYTATEQ3

Abstract

An experiment was conducted to investigate the effect of supplemental CITRIC ACID and microbial PHYTASE on the growth performance and BODY COMPOSITION of COMMON CARP (Cyprinus carpio). In a completely randomized design with 3x3 factorial arrangement, the effects of three levels (0, 1.5 and 3%) of CITRIC ACID and three levels (0, 500 and 1000 FYT kg-1 diet) of microbial PHYTASE were tested. Two hundred and sixteen fish, averaging 207 g, were divided into 27 pens, 8 fish per pen. Nine experimental diets were given to three replicates of 8 fish for a period of 8 weeks (plus two weeks for adaptation). Supplemental CITRIC ACID had no significant effect on plasma cholesterol, triglyceride, phosphorus, liver fat, carcass dry matter and protein, feed conversion ratio, protein efficiency ratio, carcass index, specific growth rate and apparent digestibility of phosphorus. Addition of 3% CITRIC ACID significantly (P<0.05) increased body ash (3.13%) and phosphorus (0.41 %). Body fat was reduced significantly (P<0.05) due to supplemental CITRIC ACID, although, there were no further significant effects associated with the amount of CITRIC ACID given. Feed conversion ratio (2.25, FCR), protein efficiency ratio (1.29), specific growth rate (0.77), percent age of body weight growth (54.3%) and phosphoru-s digestibility (53.7%) were improved significantly (P<0.05) due to supplemental PHYTASE. Phosphorus digestibility was not significantly affected by the amount of PHYTASE fed. The highest body ash and P, protein efficiency ratio and specific growth rate were obtained numerically with 1000 FYT kg-I and 3% CITRIC ACID in the diet (3.4, 0.44, 1.3 and 0.8%, respectively). The lowest percent body fat and FCR, 6.1 % and 2.21, respectively, were also observed with this diet. These results indicated that addition of 3% CITRIC ACID to the diet of COMMON CARP improved carcass composition and provided better digestive tract conditions for microbial PHYTASE without any positive effect on growth.

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APA: Copy

SHIR MOHAMMADI, F., POURREZA, JAVAD, & MAHBOUBI SOUFIANI, N.A.. (2003). EFFECT OF SUPPLEMENTAL CITRIC ACID AND PHYTASE ON GROWTH PERFORMANCE AND BODY COMPOSITION OF COMMON CARP (CYPRINUS CARPID). IRAN AGRICULTURAL RESEARCH, 22(2), 138-152. SID. https://sid.ir/paper/16100/en

Vancouver: Copy

SHIR MOHAMMADI F., POURREZA JAVAD, MAHBOUBI SOUFIANI N.A.. EFFECT OF SUPPLEMENTAL CITRIC ACID AND PHYTASE ON GROWTH PERFORMANCE AND BODY COMPOSITION OF COMMON CARP (CYPRINUS CARPID). IRAN AGRICULTURAL RESEARCH[Internet]. 2003;22(2):138-152. Available from: https://sid.ir/paper/16100/en

IEEE: Copy

F. SHIR MOHAMMADI, JAVAD POURREZA, and N.A. MAHBOUBI SOUFIANI, “EFFECT OF SUPPLEMENTAL CITRIC ACID AND PHYTASE ON GROWTH PERFORMANCE AND BODY COMPOSITION OF COMMON CARP (CYPRINUS CARPID),” IRAN AGRICULTURAL RESEARCH, vol. 22, no. 2, pp. 138–152, 2003, [Online]. Available: https://sid.ir/paper/16100/en

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