Date Received: Jul 03, 2025
Date Accepted: Sep 24, 2025
Date Published: Sep 30, 2025
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Effects of Guanidinoacetic Acid (GAA) Supplementation on the Growth Performance and Meat Quality in Ross 308 Broiler Chickens
,
Dinh Thi Yen
1
,
Dang Thai Hai
1
,
Nguyen Thi Chau Giang
1
,
Pham Thi Thu Ha
1
,
Nguyen Thi Vinh
1
Keywords
Guanidinoacetic acid (GAA), growth performance, carcass traits, feed additive
Abstract
This study investigated the effects of dietary guanidinoacetic acid (GAA) supplementation on the growth performance, carcass characteristics, and meat quality in Ross 308 broilers. A total of 270 one-day-old chickens were randomly assigned to three dietary groups: treatment 1 (0.6 g GAA kg-1 feed), treatment 2 (1.2 g GAA kg-1 feed), and a control group (no GAA). GAA supplementation had no significant effect on the survival rate or feed intake (P >0.05). However, it tended to improve the cumulative body weight gain, average daily gain, and feed conversion ratio (FCR) in treatments 1 and 2 during the finishing phase (P <0.05), with the 1.2 g GAA kg-1 feed achieving the lowest overall FCR (1.33). Furthermore, GAA supplementation increased the carcass yield, breast meat yield, and thigh meat yield, and reduced breast meat toughness; however, most of these differences were not statistically significant (P >0.05). These results indicate that dietary GAA supplementation may have the potential to enhance the growth performance and meat quality in Ross 308 broiler chickens.
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