Nutritional factors affecting camel (Camelus dromedarius) milk composition

Laameche Foudil, Chehma Abdelmadjid, Mastori Hana, Guerrida Fatma, Tobchi Mebarka, Faye Bernard. 2024. Nutritional factors affecting camel (Camelus dromedarius) milk composition. Tropical Animal Health and Production, 56 (3):108, 11 p.

https://doi.org/10.1007/s11250-024-03940-0

Article de revue ; Article de recherche ; Article de revue à facteur d'impact

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Résumé : Saharan population in Algeria still depending on bovine milk, which suffers from serious constraints undermining its sustainability. Camelus dromedarius milk has experienced growing demand following the emerging market requirements for livestock production and dairy farming over the past decade. The present work aimed at analysing the effect of nutritional regime on milk quality. The differences in pH, Acidity D°, Ash and Fats were significant. The pH was negatively influenced by the intensification conditions such as the much higher use of concentrates. The major constituents of milk were strongly and positively correlated with barley, wheat bran, TN/Kg.DM (Total Nitrogen/ Kg. Dry Matter), Kg.DM, Concentrates and daily watering. The results showed that a good energy-protein balance around 73 g PDI/UFL (Protein Digestible in the Intestine/Energetic Forage Unit for milk production) was beneficial for a better milk protein ratio. The use of corn, soybeans, palm dates and VM-premix (Vitamin Mineral) supplementation were also favourable to the synthesis of fats. Crude fiber and cell walls were better valued in the synthesis of fats with the availability of concentrates and the increasing of TN /Kg.DM and VM-premix rate in dietary regime. The vitamin C content elevate following high ratio of UFL /Kg.DM and PDI/UFL. For thus, the influence of nutritional status can lead to major improvements that need also more advanced and detailed studies.

Mots-clés Agrovoc : lait de chamelle, alimentation du bétail, composition des aliments pour animaux, dromadaire, Camelus dromedarius, production laitière, valeur nutritive, variation saisonnière, son de blé, teneur en lipides, son d?orge, teneur en vitamines