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Valeur nutritionnelle de l’ensilage de luzerne et de trèfle violet chez le porc en croissance

Renaudeau, David; Stødkilde-Jørgensen, Lene; Krogh Jensen, Søren; Bani, Paolo and Adler, Steffen A. (2021) Valeur nutritionnelle de l’ensilage de luzerne et de trèfle violet chez le porc en croissance. [Nutritional value of ensiled lucerne and red clover leaves in growing pigs.] In: Journées Recherche Porcine, IFIP and INRAE, no. 53, pp. 229-230.

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Silages from the leaf fractions of lucerne and red clover may be a valuable energy source for swine. The aim of this study was to measure energy and protein values of ensiled lucerne (E_LU) and red clover leaves (E_TV). In the first experiment, the total tract digestibility coefficient (TTD) of energy was measured for 18 pigs (68 kg BW) randomly allotted to three dietary treatments: 0%, or 22.3% of E-LU or E_TV incorporated in a wheat-soybean meal diet. After a 10-d adaptation period, faeces and urine were collected for 7 consecutive days. In the second experiment, the apparent and standardized ileal digestibility coefficient of amino acids (AA) of three diets (0%, or 15% of E_LU or E_RC incorporated in a casein-corn starch diet) were measured for five pigs (35 kg BW) fitted with ileo-rectal anastomosis. Within each period, all faeces were collected twice daily for 3 days after a 4-d adaptation period. Metabolizable energy was slightly higher in E_LU than in E_TV (14.1 vs 13.6 MJ/kg DM). As proteolysis occurs during ensiling, the proportion of non-protein nitrogen was high especially in E_LU and lower in E_TV. These results explained the higher digestible AA content in E_RC than in E_LU.

EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Keywords:Clover, Lucerne, pigs, nutrients
Agrovoc keywords:
lucerne -> Medicago sativa
Red clover -> Trifolium pratense
pigs -> swine
nutrient utilization
Subjects: Animal husbandry
Animal husbandry > Feeding and growth
Research affiliation: European Union > CORE Organic > CORE Organic Cofund > ProRefine
Deposited By: Adler, Steffen A.
ID Code:43112
Deposited On:04 Jan 2022 07:37
Last Modified:04 Jan 2022 07:37
Document Language:French/Francais
Refereed:Not peer-reviewed

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