Summary
This paper compares nutrient composition profiles in milk produced under seasonal, pasture-based dairy systems (typified by Ireland and New Zealand) versus year-round non-seasonal indoor systems. The authors demonstrate that seasonal systems exhibit more pronounced synchronous changes in macro and micronutrients as lactation progresses through early, mid and late stages, with potential consequences for downstream milk processing and functionality. The research highlights how production system type and seasonal dynamics fundamentally alter milk quality characteristics beyond simple yield considerations.
Regional applicability
This study is directly applicable to United Kingdom dairy practice, particularly in Ireland where seasonal pasture-based systems are widely established. The findings support understanding of how UK and Irish seasonal calving systems produce milk with distinct compositional profiles compared to continental European and global intensive indoor systems, informing product development and processing decisions for UK milk processors.
Key measures
Milk macro and micronutrient concentrations across lactation stages; milk processability and functional properties
Outcomes reported
The study examined how milk macro and micronutrient composition varies across early, mid and late lactation stages in seasonal, pasture-based dairy systems compared to non-seasonal indoor systems. It assessed implications of these compositional changes for milk processability and functionality.
Topic tags
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