Effect of white clover rich grass pasture allowance
on α-tocopherol and selenium content in cow milk

The objective of this study was to examine the effect of high (HPA, 24 kg DM/cow per day) and low (LPA, 12 kg DM/cow per day) pasture allowance of a white clover rich grass pasture on α-tocopherol and selenium in milk. Four multiparous cows of Norwegian Red were used in a Latin square design. Two experiments were conducted: Experiment 1 in mid pasture season with 7 kg concentrate per cow/day, and experiment 2 in late pasture season with 3 kg concentrate per cow/day. In mid pasture season, milk α-tocopherol concentration was higher on the HPA treatment; 0.63 mg/kg, compared to the LPA treatment; 0.28 mg/kg (P=0.09). However, this effect was not seen in late pasture season. There was no statistically significant effect of pasture allowance on milk selenium (mean 10.6 μg/kg) in these experiments.

CITATIONS (3):

Effect of short-term versus long-term grassland management and seasonal variation in organic and conventional dairy farming on the composition of bulk tank milk
S.A. Adler, S.K. Jensen, E. Govasmark, H. Steinshamn
Journal of Dairy Science

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Influence of season and pasture feeding on the content of α-tocopherol and β-carotene in milk from Holstein, Brown Swiss and Modicana cows in Sicily
Vita Marino, Iris Schadt, Terra La, Mario Manenti, Margherita Caccamo, Giuseppe Licitra, Stefania Carpino
Dairy Science & Technology

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Ratio of selenium concentrations between soil, forage plants and blood serum of beef cattle studied in organic and conventional farms
Marta Juszczak–Czasnojć, Agnieszka Tomza–Marciniak
Archives of Animal Nutrition

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1230-1388

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