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Supplementation of guanidinoacetic acid and rumen-protected methionine increased growth performance and meat quality of Tan lambs
- Source :
- Animal Bioscience, Vol 35, Iss 10, Pp 1556-1565 (2022)
- Publication Year :
- 2022
- Publisher :
- Asian-Australasian Association of Animal Production Societies, 2022.
-
Abstract
- Objective Tan lambs (n = 36, 3 mo old, 19.1±0.53 kg) were used to assess effects of dietary guanidinoacetic acid (GAA) and rumen-protected methionine (RPM) on growth performance, carcass traits, meat quality, and serum parameters. Methods Lambs were randomly assigned to three treatment groups, with 6 pens per group and 2 lambs per pen. Dietary treatments were: basal diet alone (I); basal diet supplemented with 0.08% GAA+0.06% RPM (II); and basal diet supplemented with 0.08% GAA+0.08% RPM (III). Diets were provided three times a day for 90 d. Intake per pen was recorded daily and individual lamb body weight (BW) was measured monthly. Carcass traits were measured after slaughter and meat quality at the end of the experiment, blood samples were taken on a subgroup of lambs for analysis of indicators mostly related to protein metabolism. Results Final BW and average daily gain for the first and second month, and for the entire experiment were greater in Treatment II compared to Treatment I (p
Details
- Language :
- English
- ISSN :
- 27650189 and 27650235
- Volume :
- 35
- Issue :
- 10
- Database :
- Directory of Open Access Journals
- Journal :
- Animal Bioscience
- Publication Type :
- Academic Journal
- Accession number :
- edsdoj.b8e3e1b02e224faaac90b883df886ac2
- Document Type :
- article
- Full Text :
- https://doi.org/10.5713/ab.22.0008