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Evaluation of nutraceutical properties of Leucaena leucocephala leaf pellets fed to goat kids infected with Haemonchus contortus

Abstract : Background: Leucaena leucocephala, as a shrub legume rich in condensed tannins, is a candidate for the integrated control of gastrointestinal parasitic pathogen nematodes. Here, we investigated the anthelmintic potential of the nutraceutical L. leucocephala, transformed into pellets, against Haemonchus contortus. Results: Creole goat kids were fed an iso-nitrogenous diet of Dichantium hay with alfalfa pellets or Leucaena pellets or an alfalfa–leucaena mixture in varying ratios. The artificial infection of kids with H. contortus led to infection levels comparable to those observed in the farm environment on the basis of egg excretion. The anthelmintic activity of Leucaena, compared to alfalfa, was demonstrated by its potential to reduce egg excretions (1524 vs. 3651 eggs/g) and the larval development of excreted eggs (3.5 vs. 24%). This anthelmintic potential was reported when the ratio of Leucaena incorporation in the diet was high (50% DM intake). The voluntary dry matter intake (79.3 vs. 77.0 g Large Weigth0.75), the total tract dry matter digestion (0.585 vs. 0.620), and the growth (57.1 vs. 71.3 g/d) of kids fed Leucaena compared to alfalfa indicate that Leucaena has a high feed value. The Leucaena, even at the highest intakes in the diets, has not shown any signs of poisoning in kids. Conclusions: Leucaena fulfilled the conditions to be a good nutraceutical, and pelleting is a good method for its use.
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https://hal.inrae.fr/hal-02958102
Contributor : Carine Marie-Magdeleine <>
Submitted on : Monday, October 5, 2020 - 3:56:42 PM
Last modification on : Friday, March 19, 2021 - 6:50:08 PM

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Carine Marie-Magdeleine, Steve Ceriac, Dingamgoto Jesse Barde, Nathalie Minatchy, Fred Periacarpin, et al.. Evaluation of nutraceutical properties of Leucaena leucocephala leaf pellets fed to goat kids infected with Haemonchus contortus. BMC Veterinary Research, BioMed Central, 2020, 16 (1), ⟨10.1186/s12917-020-02471-8⟩. ⟨hal-02958102⟩

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