Conjugated linoleic acid supplementation during late gestation and lactation of sows affects myofiber type in their litters

Qi, Renli; Chen, Ying; Han, Peng; Jiang, Shan; Xiao, Rong; Huang, Jinxiu

doi:10.1016/j.livsci.2015.04.007

Cited by 6 publications

(6 citation statements)

References 23 publications

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“…Recently, Hadaš et al (2015) found that dietary CLA supplementation increased the number of weaned piglets and reduced the losses of piglets during a 28 d lactation. However, other studies observed that the piglet performance during lactation was not influenced by dietary CLA supplementation (Bee 2000;Poulos et al 2004;Qi et al 2015), and a lighter piglet weight at weaning was also found when sows were fed a long-term CLA-containing diet (Park et al 2005). These inconsistent results indicate that the beneficial effects induced by CLA on the growth and survival of suckling piglets may be influenced by the environmental conditions or the health status of sows and their piglets in the experiment.…”

Section: Discussionmentioning

confidence: 88%

Effect of dietary conjugated linoleic acid supplementation during late gestation on colostrum yield, fatty acid composition, and IgG concentrations in primiparous sows

Bai

et al. 2018

Can. J. Anim. Sci.

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This experiment was conducted to evaluate the effects of dietary conjugated linoleic acid (CLA) supplementation during late gestation on reproductive performance, colostrum yield, colostral fatty acid composition, and immunoglobulin G (IgG) concentrations in primiparous sows. Twenty-four primiparous Landrace × Large White pregnant sows were randomly selected and assigned to four dietary treatments: 0% (control), 0.75%, 1.50%, and 2.25% CLA supplementation from day 85 of gestation to parturition. During lactation, all sows were fed the same commercial diet. The preweaning mortality of suckling piglets born to dams fed supplemental CLA did decrease linearly (P = 0.01) during lactation. Administration of CLA during gestation increased linearly (P < 0.01) total saturated fatty acids and decreased linearly (P < 0.01) monounsaturated fatty acids and polyunsaturated fatty acids in colostrum. The concentrations of CLA isomers were higher (P < 0.01) in colostrum from primiparous sows fed CLA diets than in the control group. Feeding CLA increased (P < 0.05) colostral IgG concentrations, as well as that in the serum of neonatal piglets. In conclusion, 2.25% CLA supplementation in the diet of primiparous sows during late gestation could improve the passive immunity through colostral IgG and the survival of suckling piglets.

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Section: Discussionmentioning

confidence: 88%

Effect of dietary conjugated linoleic acid supplementation during late gestation on colostrum yield, fatty acid composition, and IgG concentrations in primiparous sows

Bai

et al. 2018

Can. J. Anim. Sci.

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“…As our previous description 73 , the muscle samples were embedded in optimal cutting temperature freezing medium (OCT, Sakura Finetek, CA, USA) at − 20 °C for 2 h, and then a cryostat (CM1950, Leica, Germany) was used to section the tissue at − 20 °C for histologic analysis. Hematoxylin–eosin (HE)-stained muscle sections (8 μm) were used to observe the morphology of muscle fiber.…”

Section: Methodsmentioning

confidence: 99%

The intestinal microbiota contributes to the growth and physiological state of muscle tissue in piglets

Sun

Qiu³

et al. 2021

Sci Rep

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Although the importance of the intestinal microbiota in host growth and health is well known, the relationship between microbiota colonization and muscle development is unclear. In this study, the direct causal effects of the colonization of gut microorganisms on the muscle tissue of piglets were investigated. The body weight and lean mass of germ-free (GF) piglets were approximately 40% lower than those of normal piglets. The deletion of the intestinal microbiota led to weakened muscle function and a reduction in myogenic regulatory proteins, such as MyoG and MyoD, in GF piglets. In addition, the blinded IGF1/AKT/mTOR pathway in GF piglets caused muscle atrophy and autophagy, which were characterized by the high expression of Murf-1 and KLF15. Gut microbiota introduced to GF piglets via fecal microbiota transplantation not only colonized the gut but also partially restored muscle growth and development. Furthermore, the proportion of slow-twitch muscle fibers was lower in the muscle of GF piglets, which was caused by the reduced short-chain fatty acid content in the circulation and impaired mitochondrial function in muscle. Collectively, these findings suggest that the growth, development and function of skeletal muscle in animals are mediated by the intestinal microbiota.

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“…The haemoglobin and myoglobin in type I fibres are relatively high, which makes flesh fresh, ruddy, and shiny ( Newcom, Stalder, Baas, Goodwin, & Wiegand, 2004 ). Dietary CLA promotes mRNA expression of myosin heavy chain I (MyHC I) in sows; this myosin heavy chain subtype corresponds to type I fibres ( Qi, Chen, Peng, Jiang, Xiao, & Huang, 2015 ). Therefore, CLA could increase muscle brightness and redness, partly by promoting the mRNA expression of MyHC I, which requires further investigation.…”

Section: Discussionmentioning

confidence: 99%

“…Lastly, the CLA-enhanced shear force might be partly attributed to the growth of the myofibres. Myofibre growth in fish is a dynamic process that can be regulated by nutritional strategies ( Qi, Chen, Peng, Jiang, Xiao, & Huang, 2015 ). Dietary CLA (3.1–9.6 g/kg diets) could increase the density of sub-adult grass carp myofibres and reduce their diameter.…”

Section: Discussionmentioning

confidence: 99%

Physicochemical property optimization and nutrient redistribution in the muscle of sub-adult grass carp (Ctenopharyngodon idella) by conjugated linoleic acid

Liu

et al. 2022

Food Chemistry: X

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Conjugated linoleic acid supplementation during late gestation and lactation of sows affects myofiber type in their litters

Cited by 6 publications

References 23 publications

Effect of dietary conjugated linoleic acid supplementation during late gestation on colostrum yield, fatty acid composition, and IgG concentrations in primiparous sows

Effect of dietary conjugated linoleic acid supplementation during late gestation on colostrum yield, fatty acid composition, and IgG concentrations in primiparous sows

The intestinal microbiota contributes to the growth and physiological state of muscle tissue in piglets

Physicochemical property optimization and nutrient redistribution in the muscle of sub-adult grass carp (Ctenopharyngodon idella) by conjugated linoleic acid

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