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| Andersen, Charlotte; Nielsen, Tina Skau; Purup, Stig; Kristensen, Troels; Eriksen, Jørgen; Søegaard, Karen; Sørensen, John; Fretté, Xavier C. |
| A grazing experiment was carried out to study the concentration of phyto-oestrogens in herbage for cattle and in milk during two periods (May and June). Forty-eight Danish Holstein cows were divided into four groups with four treatment diets; white clover, red clover, lucerne and chicory-rich pastures. Each experimental period lasted 15 days. Herbage samples from the first day and individual milk samples from the last day of the experimental period were analysed for phyto-oestrogens using LC-MS technique. The total concentration of phyto-oestrogens was 21 399 mg/kg DM for red clover and 238-466 mg/kg DM for the other three herbages mainly due to a much higher concentration of biochanin A, formononetin and glycitein in red clover. In the milk, the total... |
| Tipo: Journal paper |
Palavras-chave: Health and welfare. |
| Ano: 2009 |
URL: http://orgprints.org/16072/1/16072.pdf |
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| Fretté, Xavier C. |
| Because of its high saturated fatty acid (FA) content milk fat is considered hypercholesterolemic (Ulbricht and Southgate, 1991). Intake of unsaturated FA (UFA) reduces the plasma cholesterol concentrations (Fernandez and West, 2005). Especially conjugated linoleic acids (CLA) have shown positive effects on cardiovascular diseases (Valeille et al., 2004), prevention of cancer (Ip et al., 1994) and obesity (Park et al., 1997). The aim of our project was to investigate how grazing could enhance the content of these beneficiary FA in milk from Holstein and Jersey cows. For both types of cow races we observed no direct effect of increased grazing in the diet on the short chain FA (SCFA) content in milk, implying that the de novo synthesis of these FA... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Denmark. |
| Ano: 2008 |
URL: http://orgprints.org/14668/1/DK%2DS%2DNetv%C3%A6rk%2D10%2D09%2D2008%2DXF.ppt |
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| Fretté, Xavier C. |
| Abstract: Because of its high saturated fatty acid (FA) content milk fat is considered hypercholesterolemic (Ulbricht and Southgate, 1991). Intake of unsaturated FA (UFA) reduces the plasma cholesterol concentrations (Fernandez and West, 2005). Especially conjugated linoleic acids (CLA) have shown positive effects on cardiovascular diseases (Valeille et al., 2004), prevention of cancer (Ip et al., 1994) and obesity (Park et al., 1997). The aim of our project was to investigate how grazing could enhance the content of these beneficiary FA in milk from Holstein and Jersey cows. For both types of cow races we observed no direct effect of increased grazing in the diet on the short chain FA (SCFA) content in milk, implying that the de novo synthesis of these... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Denmark. |
| Ano: 2008 |
URL: http://orgprints.org/14667/1/effect_of_grazing.pdf |
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