Intraruminal propionate supplementation modifies hindlimb energy metabolism without changing the splanchnic release of glucose in growing lambs

@article{Majdoub2003IntraruminalPS,
  title={Intraruminal propionate supplementation modifies hindlimb energy metabolism without changing the splanchnic release of glucose in growing lambs},
  author={Linda Majdoub and Michel Vermorel and Isabelle Ortigues-Marty},
  journal={British Journal of Nutrition},
  year={2003},
  volume={89},
  pages={39 - 50}
}
The influence of propionate supplementation on the splanchnic metabolism of energy-yielding nutrients and the supply of glucose to the hindlimb was investigated in growing lambs. Six rumen-cannulated and multicatheterized lambs (32·2 kg), fed frozen rye grass at 690 kJ metabolizable energy intak/ per kg body weight0·75, were infused intraruminally with a salt solution (control) or with propionate solutions at 0·55 mo/ (P1) or 0·98 mo/ (P2) according to a replicated Latin square design. In the… 
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Effects of intraruminal propionate supplementation on nitrogen utilisation by the portal-drained viscera, the liver and the hindlimb in lambs fed frozen rye grass
TLDR
The role of the splanchnic tissues in the regulation of the AA supply to the peripheral tissues (such as muscle) therefore appears to be prominent in theregulation of muscle growth.
Ryegrass-based diet and barley supplementation: partition of energy-yielding nutrients among splanchnic tissues and hind limbs in finishing lambs.
TLDR
Results from the present study suggested that supplementation of a ryegrass-based diet would likely have little effect on the orientation of muscle energy metabolism and on meat quality because the net uptake of nutrients by the hind limb was unchanged.
Propionate supplementation did not increase whole body glucose turnover in growing lambs fed rye grass.
TLDR
The results suggest that in the present conditions glucose turnover and metabolism were not influenced by the supply of propionate.
Energy expenditure of splanchnic tissues and hindlimbs in growing lambs fed frozen rye-grass: effects of barley supplementation and changes between 2.5 and 7 months of age
TLDR
It was concluded that in supplementing ryegrass with barley, the increment in splanchnic and carcass energy expenditure counted for 30 and 26% of the increment of ME intake in finishing lambs and experimental results on organ and tissue energy expenditure obtained in ruminant lambs below 7 months of age may be applied to growing and finishing lamBS.
Glucose metabolism in lactating cows in response to isoenergetic infusions of propionic acid or duodenal glucose.
TLDR
Plasma insulin-like growth factor-I (IGF-I) concentration increased with the infusion of glucogenic materials compared with the control and was significantly higher with glucose than with C3 treatments, although this experiment did not indicate whether the increased Ra was the key mechanism to increased milk yield.
Abomasal amino acid infusion in postpartum dairy cows: Effect on whole-body, splanchnic, and mammary glucose metabolism.
TLDR
In early postpartum lactation, the demand for AA seems to be so high that even with increased AA supply, cows have metabolic priorities for AA other than hepatic gluconeogenesis.
Nitrogen- and energy-imbalanced diets affect hepatic protein synthesis and gluconeogenesis differently in growing lambs.
TLDR
A more efficient utilization of AA for anabolic purposes in the lambs fed LN is demonstrated, probably via an activation of some AA transport systems, to address the shortage of nitrogenous nutrients in the LN diet.
Propionate uptake by rumen microorganisms: the effect of ruminal infusion
TLDR
It is concluded that the uptake of propionate by ruminal protozoa and bacteria is quantitatively significant, and may not be significantly affected when rumen microbes are submitted to minerals or Propionate infusion.
Effect of protein and glucogenic precursor supplementation on forage digestibility, serum metabolites, energy utilization, and rumen parameters in sheep
Abstract Supplementation of glucogenic precursors in roughage diets may increase production responses due to improved efficiencies of nutrient utilization. Therefore, the objective of this study was…
Abomasal amino acid infusion in postpartum dairy cows: Effect on whole-body, splanchnic, and mammary amino acid metabolism.
TLDR
Overall, greater early postpartum AA supply increased milk and milk protein yields substantially based on increased mammary AA uptake and the protein deficiency persisted.
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References

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TLDR
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TLDR
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TLDR
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TLDR
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TLDR
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