EFFECTS OF CITRIC AND ASCORBIC ACIDS, VITAMIN D3 AND CALCIUM ON EFFICACY OF MICROBIAL PHYTASE IN A CORN-SOYBEAN MEALBASED DIET: BROILER PERFORMANCE AND NUTRIENT DIGESTIBILITY FROM 1TO 21 D OF AGE

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AFSHAR MANESH M.; SAMI A.A.H.; POURREZA JAVAD

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Journal: Iran Agricultural Research Year:2003 | Volume:22 | Issue:2 Page(s): 120-137

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Title

EFFECTS OF CITRIC AND ASCORBIC ACIDS, VITAMIN D3 AND CALCIUM ON EFFICACY OF MICROBIAL PHYTASE IN A CORN-SOYBEAN MEALBASED DIET: BROILER PERFORMANCE AND NUTRIENT DIGESTIBILITY FROM 1TO 21 D OF AGE

Author(s)

AFSHAR MANESH M. | SAMI A.A.H. | POURREZA JAVAD | Issue Writer Certificate

Keywords

ASCORBIC ACIDQ3

BROILERSQ3

CITRIC ACIDQ3

PHYTASEQ3

VITAMIN D3Q3

Abstract

This study was conducted to determine the additive effects of microbial PHYTASE, organic acids (citric, ascorbic), vitamin 03 and Ca on broiler performance and nutrient digestibility in a corn-soybean meal-based diet from 1 to 21 d of age. BROILERS were fed the following basal diets at either 0.79 or 0.9 % of dietary Ca: 1) a negative control corn-based diet (NC), 0.315% available P; 2) NC + 500 PHYTASE units (FYT) kg-1 diet; 3) PHYTASE + 2%citric acid; 4) PHYTASE + CITRIC ACID + 200 mg kg-1 diet ASCORBIC ACID; 5) PHYTASE + CITRIC ACID + ASCORBIC ACID +200mg kg-1 diet vitamin D3; 6) NC plus 0.135% available P. The 12 experimental diets were fed to four pen replicates of 20 birds each. Increasing dietary Ca from 0.79 to 0.9% negatively influenced feed conversion ratio but improved feed intake and protein digestibility. Added PHYTASE improved body weight, feed conversion ratio, tibia ash and P and protein digestibility. Subsequent addition of CITRIC ACID and ASCORBIC ACID to feed along with PHYTASE increased J0, 8 and 57% body weight, feed efficiency and P retention, respectively, above levels attained with negative control diet. The body weight of chicks fed the pcsitive control diet was similar to those that received the PHYTASE and organic acids supplemented low-P diet. The tibia ash content and P digestibility of BROILERS fed the diet containing PHYTASE, organic acids and vitamin D3 was 28.9 and 57% more than the negative control diet, respectively. Data presented clearly indicated that supplementation of com-soybeari low-P meal based diet with appropriate concentrations of PHYTASE, CITRIC ACID, ASCORBIC ACID and vitamin D3, leads to substantial increases in broiler performance and nutrient digestibility and would have an environmental benefit of reducing P and N concentrations of broiler manure.

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APA: Copy

AFSHAR MANESH, M., SAMI, A.A.H., & POURREZA, JAVAD. (2003). EFFECTS OF CITRIC AND ASCORBIC ACIDS, VITAMIN D₃ AND CALCIUM ON EFFICACY OF MICROBIAL PHYTASE IN A CORN-SOYBEAN MEALBASED DIET: BROILER PERFORMANCE AND NUTRIENT DIGESTIBILITY FROM 1TO 21 D OF AGE. IRAN AGRICULTURAL RESEARCH, 22(2), 120-137. SID. https://sid.ir/paper/16105/en

Vancouver: Copy

AFSHAR MANESH M., SAMI A.A.H., POURREZA JAVAD. EFFECTS OF CITRIC AND ASCORBIC ACIDS, VITAMIN D₃ AND CALCIUM ON EFFICACY OF MICROBIAL PHYTASE IN A CORN-SOYBEAN MEALBASED DIET: BROILER PERFORMANCE AND NUTRIENT DIGESTIBILITY FROM 1TO 21 D OF AGE. IRAN AGRICULTURAL RESEARCH[Internet]. 2003;22(2):120-137. Available from: https://sid.ir/paper/16105/en

IEEE: Copy

M. AFSHAR MANESH, A.A.H. SAMI, and JAVAD POURREZA, “EFFECTS OF CITRIC AND ASCORBIC ACIDS, VITAMIN D₃ AND CALCIUM ON EFFICACY OF MICROBIAL PHYTASE IN A CORN-SOYBEAN MEALBASED DIET: BROILER PERFORMANCE AND NUTRIENT DIGESTIBILITY FROM 1TO 21 D OF AGE,” IRAN AGRICULTURAL RESEARCH, vol. 22, no. 2, pp. 120–137, 2003, [Online]. Available: https://sid.ir/paper/16105/en

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