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Performance and physiological responses of broiler chickens to supplemental guanidinoacetic acid in arginine-deficient diets

1. The present experiment was designed to examine arginine (Arg)-sparing effects of guanidinoacetic acid (GAA) on production performance, intestinal morphology and certain blood parameters in broiler chickens. 2. A total of 300 male broiler chicks (Ross 308) were randomly allotted to 5 dietary treat... Full description

Journal Title: British Poultry Science 04 March 2019, Vol.60(2), pp.161-168
Main Author: Ale Saheb Fosoul, S. S
Other Authors: Azarfar, A , Gheisari, A , Khosravinia, H
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0007-1668 ; E-ISSN: 1466-1799 ; DOI: 10.1080/00071668.2018.1562156
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recordid: informaworld_s10_1080_00071668_2018_1562156
title: Performance and physiological responses of broiler chickens to supplemental guanidinoacetic acid in arginine-deficient diets
format: Article
creator:
  • Ale Saheb Fosoul, S. S
  • Azarfar, A
  • Gheisari, A
  • Khosravinia, H
subjects:
  • Arginine Deficiency
  • Blood Parameters
  • Broiler Chickens
  • Guanidinoacetic Acid
  • Intestinal Morphology
  • Agriculture
ispartof: British Poultry Science, 04 March 2019, Vol.60(2), pp.161-168
description: 1. The present experiment was designed to examine arginine (Arg)-sparing effects of guanidinoacetic acid (GAA) on production performance, intestinal morphology and certain blood parameters in broiler chickens. 2. A total of 300 male broiler chicks (Ross 308) were randomly allotted to 5 dietary treatments in a completely randomised design during 1-15 and 15-35 d rearing periods. Experimental treatments consisted of a basal diet with a reduction in Arg content (CON−; starter: 12.1 g/kg and grower: 11.3 g/kg Arg), a CON− diet supplemented with synthetic Arg equal to the required Arg level (CON+; starter: 13.80 g/kg; grower: 12.37 g/kg) and CON− diet supplemented with three levels of GAA (GAA0.6; GAA1.2; and GAA1.8; g/kg). 3. Supplemental GAA at 0.6 and 1.2 g/kg reduced the adverse effects of the CON− diet on weight gain and feed conversion ratio in the starter period, equal to the effect of CON+ diet. During the entire rearing period, such an effect was only seen for broilers fed CON− diet supplemented with 1.2 and 1.8 g/kg GAA (P
language: eng
source:
identifier: ISSN: 0007-1668 ; E-ISSN: 1466-1799 ; DOI: 10.1080/00071668.2018.1562156
fulltext: fulltext
issn:
  • 0007-1668
  • 00071668
  • 1466-1799
  • 14661799
url: Link


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titlePerformance and physiological responses of broiler chickens to supplemental guanidinoacetic acid in arginine-deficient diets
creatorAle Saheb Fosoul, S. S ; Azarfar, A ; Gheisari, A ; Khosravinia, H
ispartofBritish Poultry Science, 04 March 2019, Vol.60(2), pp.161-168
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subjectArginine Deficiency ; Blood Parameters ; Broiler Chickens ; Guanidinoacetic Acid ; Intestinal Morphology ; Agriculture
description1. The present experiment was designed to examine arginine (Arg)-sparing effects of guanidinoacetic acid (GAA) on production performance, intestinal morphology and certain blood parameters in broiler chickens. 2. A total of 300 male broiler chicks (Ross 308) were randomly allotted to 5 dietary treatments in a completely randomised design during 1-15 and 15-35 d rearing periods. Experimental treatments consisted of a basal diet with a reduction in Arg content (CON−; starter: 12.1 g/kg and grower: 11.3 g/kg Arg), a CON− diet supplemented with synthetic Arg equal to the required Arg level (CON+; starter: 13.80 g/kg; grower: 12.37 g/kg) and CON− diet supplemented with three levels of GAA (GAA0.6; GAA1.2; and GAA1.8; g/kg). 3. Supplemental GAA at 0.6 and 1.2 g/kg reduced the adverse effects of the CON− diet on weight gain and feed conversion ratio in the starter period, equal to the effect of CON+ diet. During the entire rearing period, such an effect was only seen for broilers fed CON− diet supplemented with 1.2 and 1.8 g/kg GAA (P < 0.05). Proportional weights of liver and abdominal fat were decreased in birds fed diets containing supplemental Arg and 1.8 g/kg GAA compared to the CON− broilers (P < 0.05). Jejunal villus height and villus height to crypt depth ratio were increased in broilers receiving the CON− diet (P < 0.05). Serum concentration of nitric oxide increased when the CON− diet was supplemented with either Arg or 1.8 g/kg GAA (P < 0.05). 4. Dietary inclusion of GAA had an Arg-sparing effect, whereby 1.2 and 1.8 g/kg of supplemental GAA resulted in greater growth performance during the starter and entire rearing periods, respectively. Supplementation with 1.8 g/kg GAA had significant effects on some carcass and physiological parameters.
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