N-alkanes v. ytterbium/faecal index as two methods for estimating herbage intake of dairy cows fed on diets differing in the herbage : maize silage ratio and feeding level

Publisher: Cambridge University Press

E-ISSN: 1751-732x|6|2|232-244

ISSN: 1751-7311

Source: animal, Vol.6, Iss.2, 2011-08, pp. : 232-244

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Abstract