ArticleAnimal bioscience2022
Supplementation of guanidinoacetic acid and rumen-protected methionine increased growth performance and meat quality of Tan lambs.
Article in Animal bioscience, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Combined Multi-Omics Analysis Reveals the Potential Role of Methionine in Regulating the Proliferation, Differentiation, and Lipid Deposition of Yak Intramuscular Preadipocytes.Animals : an open access journal from MDPI · 2026Article
- Rumen-protected guanidinoacetic acid is associated with improved growth performance and altered portal nutrient and hepatic IGF-1 indices in Hu sheep.Frontiers in veterinary science · 2026Article
- Effects of Rumen-Protected Methionine on Meat Quality, Fatty Acid Composition, Volatile Flavor Compounds and Transcriptomics ofFoods (Basel, Switzerland) · 2025Article
- Guanidinoacetic Acid and Methionine Supplementation Improve the Growth Performance of Beef Cattle via Regulating the Antioxidant Levels and Protein and Lipid Metabolisms in Serum and Liver.Antioxidants (Basel, Switzerland) · 2025Article
- The Early Methionine Supplementation of Ewe Lambs (F0) Modifies Meat Quality Traits of the Progeny (F1, Male Fattening Lambs).Animals : an open access journal from MDPI · 2025Article
- Effect of Guanidinoacetic Acid Supplementation on the Performance of Calves Fed Milk Replacer.Animals : an open access journal from MDPI · 2024Article
- Effect of Guanidinoacetic Acid on Production Performance, Serum Biochemistry, Meat Quality and Rumen Fermentation in Hu Sheep.Animals : an open access journal from MDPI · 2024Article
- Effect of guanidinoacetic acid on the growth performance, myofiber, and adenine nucleotide of meat-type rabbits.Animal bioscience · 2023Article
- Whole-genome DNA methylation profiling reveals epigenetic signatures in developing muscle in Tan and Hu sheep and their offspring.Frontiers in veterinary science · 2023Article
Corrections and comments
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Authors and funding
8 authors.
Funding
Abstract
objectiveTan 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.
methodsLambs 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.
resultsFinal 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<0.05), whereas feed to gain ratio was lower (p<0.05). Treatment II had the optimal dressing percentage and net meat weight proportion, as well as crude protein and intramuscular fat concentrations in muscles. Treatment II improved meat quality, as indicated by the greater water holding capacity, pH after 45 min and 48 h, and lower shear force and cooking loss. Dietary supplementation of GAA and RPM also increased the meat color a* and b* values at 24 h. Finally, Treatment II increased total protein, and serum concentrations of albumin and creatinine, but decreased serum urea nitrogen concentrations, indicating improved protein efficiency.
conclusionIn this study, 0.08% GAA+0.06% RPM supplementation improved growth performance and meat quality of Tan lambs.
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