ArticleAnimal bioscience2021
Effects of prolonged photoperiod on growth performance, serum lipids and meat quality of Jinjiang cattle in winter.
Article in Animal bioscience, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Photoperiod Management in Farm Animal Husbandry: A Review.Animals : an open access journal from MDPI · 2025Review
- The Effect of Maternal Obesity on Placental Autophagy in Lean Breed Sows.Veterinary sciences · 2025Article
- Artificial long-day photoperiod enhances growth performance and metabolic indicators in young male goats.Journal of animal science · 2025Article
- Impact of an extended light regimen imposed during nursery period on the performance and lipid metabolism of weanling pigs.Animal bioscience · 2025Article
- - Invited Review - Factors affecting beef quality and nutrigenomics of intramuscular adipose tissue deposition.Animal bioscience · 2023Article
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Authors and funding
7 authors.
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Abstract
objectiveThis study was conducted to investigate the potential effects of prolonged photoperiod on the serum lipids, carcass traits, and meat quality of Jinjiang cattle during winter.
methodsThirty-four Jinjiang bulls aged between 14 and 16 months were randomly assigned to two groups that were alternatively subjected to either natural daylight +4 h supplemental light (long photoperiod, LP) or natural daylight (natural photoperiod, NP) for 96 days. The potential effects on the levels of serum lipids, carcass traits, meat quality, and genes regulating lipid metabolism in the intramuscular fat (IMF) of the cattle were evaluated.
resultsJinjiang cattle kept under LP showed significant increase in both dry matter intake and backfat thickness. the serum glucose and the plasma leptin levels were significantly reduced, while that of melatonin and insulin were observed to be increased. The crude fat contents of biceps femoris muscle and longissimus dorsi muscle were higher in LP than in NP group. In longissimus dorsi muscle, the proportions of C17:0 and C18:0 were significantly higher but that of the C16:1 was found to be significantly lower in LP group. The relative mRNA expressions in IMF of longissimus dorsi muscle, the lipid synthesis genes (proliferatoractivated receptor gamma, fatty acid-binding protein) and the fatty acid synthesis genes (acetyl-coa carboxylase, fatty acid synthetase, 1-acylglycerol-3-phosphate acyltransferase) were significantly up-regulated in LP group (p<0.05); whereas the hormone-sensitive lipase and stearoyl-CoA desaturase 1 were significantly down-regulated in LP than in NP group.
conclusionProlonged photoperiod significantly altered the growth performance, hormonal levels, gene expression and fat deposition in Jinjiang cattle. It suggested that the LP improved the fat deposition by regulating the levels of different hormones and genes related to lipid metabolism, thereby improving the fattening of Jinjiang cattle during winter.
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