Effect of including plantain in perennial ryegrass-white clover pasture offered to grazing dairy cows on milk composition and milk fatty acid and mineral concentrations
C.T. Minogue , T.M. Boland , I. Etxeberria , N.A. Walsh , A. Mirzapour-Kouhdasht , M. García-Vaquero , M. Dineen , Z.C. McKay
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引用次数: 0
Abstract
This study explored the effect of including plantain (Plantago lanceolata L.; PL) in perennial ryegrass (Lolium perenne L.; PRG)-white clover (Trifolium repens L.; WC) pasture on the milk composition and milk fatty acid (FA) and mineral concentrations of spring-calving dairy cows. The treatments were PRG-WC (GrC) and PRG-WC-PL (GCP) pastures. Milk samples were obtained from dairy cows (n = 13 per treatment) during early (61 ± 12 d in milking; EL) and late (214 ± 16 d in milking; LL) lactation. Cows grazing GCP produced milk with a lower fat concentration. Milk lactose concentration was greater from cows grazing GCP in LL. Cows grazing GCP produced milk with greater concentrations of polyunsaturated FA (g 100 g milk−1) and α-linolenic acid (g 100 g milk fat−1). Treatment did not affect milk mineral concentrations in EL. In LL, cows grazing GCP produced milk with lower concentrations of calcium (−10 %) and magnesium (−7 %) compared with GrC. Including PL in a PRG-WC pasture for dairy cows can beneficially alter milk FA composition.
期刊介绍:
The International Dairy Journal publishes significant advancements in dairy science and technology in the form of research articles and critical reviews that are of relevance to the broader international dairy community. Within this scope, research on the science and technology of milk and dairy products and the nutritional and health aspects of dairy foods are included; the journal pays particular attention to applied research and its interface with the dairy industry.
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• Chemistry and physico-chemical properties of milk constituents
• Microbiology, food safety, enzymology, biotechnology
• Processing and engineering
• Emulsion science, food structure, and texture
• Raw material quality and effect on relevant products
• Flavour and off-flavour development
• Technological functionality and applications of dairy ingredients
• Sensory and consumer sciences
• Nutrition and substantiation of human health implications of milk components or dairy products
International Dairy Journal does not publish papers related to milk production, animal health and other aspects of on-farm milk production unless there is a clear relationship to dairy technology, human health or final product quality.