ArticleAsian-Australasian journal of animal sciences2014
The Expression of Carnosine and Its Effect on the Antioxidant Capacity of Longissimus dorsi Muscle in Finishing Pigs Exposed to Constant Heat Stress.
Article in Asian-Australasian journal of animal sciences, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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Who cites it
23 citing papers in PubMed, 50 citations in OpenAlex.
- Benefits of Utilization of Hydroxy-Methionine in Diets of Finishing Pigs Raised Under Hot Environmental Conditions.Veterinary sciences · 2026Article
- Unraveling the impact of heat stress on meat quality: integrating physiology, epigenetics, and postmortem biochemistry.NPJ science of food · 2026Review
- Review
- Effect of precursor amino acids for carnosine synthesis on breast fiber microstructures and myofiber differentiation-related gene expression in slow-growing chicken.Animal bioscience · 2024Article
- Article
- Meat quality and safety issues during high temperatures and cutting-edge technologies to mitigate the scenario.Journal of animal science and technology · 2024Review
- Multi-tissue metabolic and transcriptomic responses to a short-term heat stress in swine.BMC genomics · 2024Article
- Seasonal Effects on the Performance of Finishing Pigs' Carcass and Meat Quality in Indoor Environments.Animals : an open access journal from MDPI · 2024Article
- Effects of Cyclic High Ambient Temperature on Muscle Imidazole Dipeptide Content in Broiler Chickens.The journal of poultry science · 2024Article
- Physicochemical Properties, Antioxidant Markers, and Meat Quality as Affected by Heat Stress: A Review.Molecules (Basel, Switzerland) · 2023Review
- Pork quality traits and associated muscle metabolic changes in pigs under chronic prenatal and postnatal heat stress.Journal of animal science · 2023Article
- The Effect of Dietary Leucine Supplementation on Antioxidant Capacity and Meat Quality of Finishing Pigs under Heat Stress.Antioxidants (Basel, Switzerland) · 2022Article
- Thermal stress-related physiological, behavioral, and serum biochemical responses in indigenous pigs adapted to Eastern Himalayan region.Frontiers in veterinary science · 2022Article
- Impact of Heat Stress on Meat Quality and Antioxidant Markers in Iberian Pigs.Antioxidants (Basel, Switzerland) · 2021Article
- Corticosterone-Mediated Physiological Stress Alters Liver, Kidney, and Breast Muscle Metabolomic Profiles in Chickens.Animals : an open access journal from MDPI · 2021Article
- Article
- Chronic prenatal heat stress alters growth, carcass composition, and physiological response of growing pigs subjected to postnatal heat stress.Journal of animal science · 2020Article
- Identification of Metabonomics Changes in Longissimus Dorsi Muscle of Finishing Pigs Following Heat Stress through LC-MS/MS-Based Metabonomics Method.Animals : an open access journal from MDPI · 2020Article
- Corticosterone-mediated physiological stress modulates hepatic lipid metabolism, metabolite profiles, and systemic responses in chickens.Scientific reports · 2019Article
- Short-term heat stress alters redox balance in porcine skeletal muscle.Physiological reports · 2017Article
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Authors and funding
8 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The objective of this study was to assess the effects of constant high ambient temperatures on meat quality, antioxidant capacity, and carnosine expression in longissimus dorsi muscle of finishing pigs. Castrated 24 male DLY (crossbreeds between Landrace×Yorkshire sows and Duroc boars) pigs were allocated to one of three treatments: constant ambient temperature at 22°C and ad libitum feeding (CON, n = 8); constant high ambient temperature at 30°C and ad libitum feeding (H30, n = 8); and constant ambient temperature at 22°C and pair-fed with H30 (PF, n = 8). Meat quality, malondialdehyde (MDA) content, antioxidant capacity, carnosine content, and carnosine synthetase (CARNS1) mRNA expression in longissimus dorsi muscle were measured after three weeks. The results revealed that H30 had lower pH24 h, redness at 45 min, and yellowness at 24 h post-mortem (p<0.05), and higher drip loss at 48 h and lightness at 24 h post-mortem (p<0.01). Constant heat stress disrupted the pro-oxidant/antioxidant balance in longissimus dorsi muscle with higher MDA content (p<0.01) and lower antioxidant capacity (p<0.01). Carnosine content and CARNS1 mRNA expression in longissimus dorsi muscle of H30 pigs were significantly decreased (p<0.01) after three weeks at 30°C. In conclusion, constant high ambient temperatures affect meat quality and antioxidant capacity negatively, and the reduction of muscle carnosine content is one of the probable reasons.
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