Effects of increasing dietary L-carnitine on growth performance of weanling pigs.

@article{Rincker2003EffectsOI,
  title={Effects of increasing dietary L-carnitine on growth performance of weanling pigs.},
  author={Mike J. Rincker and Stuart D. Carter and D. E. Real and Jim L. Nelssen and Mike D. Tokach and Robert D. Goodband and Steven S Dritz and B. W. Senne and R. W. Fent and L. A. Pettey and Kevin Q Owen},
  journal={Journal of animal science},
  year={2003},
  volume={81 9},
  pages={
          2259-69
        }
}
Four experiments were conducted to evaluate the effects of supplementing graded levels (0 to 100 ppm) of L-carnitine to the diet of weanling pigs on growth performance during a 34- to 38-d experimental period. A fifth experiment was conducted to determine the effects of addition of L-carnitine to diets with or without added soybean oil (SBO) on growth performance. In Exp. 1, 128 pigs (initial BW = 5.5 kg) were allotted to four dietary treatments (six pens per treatment of four to six pigs per… Expand
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Dietary supplementation with l-carnitine in gestating and lactating sows had positive effects on intestinal barrier functions of newborn piglets and weaning piglets on day 21, but it did not have effects onestinal Barrier functions of growing–finishing pigs in the filial generation. Expand
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TLDR
The results suggest that dietary L-carnitine improves G/F and reduces carcass lipid accretion in early-weaned pigs. Expand
Effect of dietary L-carnitine on growth performance and body composition in nursery and growing-finishing pigs.
TLDR
It is concluded that dietary carnitine fed during the nursery or growing-finishing phase had no effect on growth performance; however, feeding 49 to 64 ppm of L-carnitine during the growing- Finishing phase increased CP accretion and decreased tenth-rib backfat. Expand
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L-carnitine did not improve the utilization of ME in diets that contained high additions of soybean oil, and calories from soy bean oil were utilized as effectively as calories from carbohydrate by neonatal and young pigs. Expand
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Addition of carnitine increased average daily gain (ADG) and average daily feed intake (ADFI) in the second two weeks of the six-week trial and overall, but had no significant effect on feed per gain (F/G). Expand
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TLDR
It is concluded that endogenous carnitine biosynthesis may be adequate to maintain sufficient tissue levels during growth, but that supplemental dietary Carnitine may be retained sufficiently so as to alter nutrient partitioning and thus body composition of 20-kg pigs. Expand
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TLDR
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TLDR
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TLDR
Diets with corn oil had a higher apparent fat digestibility than diets supplemented with lard or tallow during each week postweaning, and apparent digestibility of fat increased for each fat source each weekPostweaning but appeared to reach a plateau by wk 3 post weaning. Expand
Kinetics of carnitine palmitoyltransferase-I are altered by dietary variables and suggest a metabolic need for supplemental carnitine in young pigs.
TLDR
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TLDR
The association of increased protein accretion and reduced backfat thickness with greater rates of palmitate oxidation, more rapid flux through pyruvate carboxylase, and reduced flux through branched-chain alpha-keto acid dehydrogenase suggests pigs fed carnitine are more able to use fat for energy, divert carbon toward synthesis of amino acids, and spare branches-chain amino acids for protein synthesis. Expand
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