Nutritional Articles

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Mathematical modelling of digesta passage rate, mean retention time and in vivo apparent digestibility of two different lengths of hay and big-bale grass silage in ponies.

Published: 2003-12-01

Mathematical modelling of digesta passage rate, mean retention time and in vivo apparent digestibility of two different lengths of hay and big-bale grass silage in ponies.
The authors used Welsh-cross pony geldings (about 300 kg live weight) in a 4x4 Latin square experiment to determine the rate of passage and apparent digestibility of unchopped big-bale grass silage (BBL), chopped big-bale grass silage (BBS), unchopped grass hay (HL) and chopped grass hay (HS) offered at approximately 15 g/kg live weight per day. The authors used total collection techniques and marker methods to determine the apparent digestibility of various nutrients (feed DM, organic matter (OM), crude protein, acid-detergent fibre (ADF) and neutral-detergent fibre (NDF) and passage rate.

Reference
Moore-Colyer, M.J., Morrow,H.J., Longland, A.C. 2003. Mathematical modelling of digesta passage rate, mean retention time and in vivo apparent digestibility of two different lengths of hay and big-bale grass silage in ponies. Br J Nutr. 90(1): 109-18

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