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Naringin dietary supplementation at 0.15% rates does not provide protection against sub-clinical acidosis and does not affect the responses of fattening lambs to road transportation

  • Ó. López-Campos (a1), R. Bodas (a1), N. Prieto (a1), F. J. Giráldez (a1), V. Pérez (a1) and S. Andrés (a1)...


Forty Assaf fattening lambs (initial age 13 to 15 weeks) offered a diet of barley straw and a commercial concentrate were used to assess the effect of naringin (a type of citrus flavonoid with proven antioxidant, antimicrobial and anti-inflammatory properties in monogastric animals) at a dose of 1.5 g/kg per dry matteron plasma lipid peroxidation thiobarbituric acid reactive substances (TBARS), immune response, ruminal bacterial community and protection provided by the ruminal wall against subclinical acidosis. After 49 days of the experimental diets, lambs were subjected to a 4-h transportation stress period. As expected, TBARS values were significantly increased in all the lambs just after the transportation period, but no effect of naringin was observed. Although naringin lowered red blood cell count, neither the total white blood cells counts nor the production of IFN-γ were affected by naringin. No anti-inflammation activity preventing rumenitis was detected, but a clear effect on ruminal bacterial community was observed in lambs consuming naringin. Further experiments, using different doses of naringin might show health benefits of naringin supplementation in lambs, but a clear beneficial effect on health was not readily apparent in this study.


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Naringin dietary supplementation at 0.15% rates does not provide protection against sub-clinical acidosis and does not affect the responses of fattening lambs to road transportation

  • Ó. López-Campos (a1), R. Bodas (a1), N. Prieto (a1), F. J. Giráldez (a1), V. Pérez (a1) and S. Andrés (a1)...


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