Effects of processing methods on chemical composition and in vivo digestibility of coffee pulp in Ethiopia
Effects of the method of processing of coffee cherries on pulp composition and digestibility in vivo were studied. The effects of wet and dry processing on chemical composition were analysed in Experiment 1. The effects of dry processed pulp (Dcop) and wet processed pulp (Wcop) (0 g/d, 60 g/d, 120 g/d and 150 g/d) on intake, digestibility and nitrogen retention in sheep fed hay were determined in Experiment 2. Processing method affected the contents of neutral-detergent fibre (NDF), acid-detergent fibre (ADF), lignin soluble phenolics and insoluble proanthocyanidins (condensed tannins). Dry processed pulp had higher NDF, ADF, lignin and phenolic compounds. There was no effect of pulp level on feed intake or digestibility but N-balance was significantly depressed at the 120 g and 150 g levels of Dcop, at which both urinary and faecal N losses and total urine excretion increased. No pronounced effects were observed for Wcop. Condensed tannins and caffeine in coffee pulp appear to limit its nutritive value.
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International Livestock Centre for Africa
1989
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Online Access: | https://hdl.handle.net/10568/16471 https://books.google.com.et/books?id=qOXW7aYdn8UC |
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dig-cgspace-10568-164712023-02-15T10:21:29Z Effects of processing methods on chemical composition and in vivo digestibility of coffee pulp in Ethiopia Gebru, G. Chichaibelu, B. Reed, J.D. livestock Effects of the method of processing of coffee cherries on pulp composition and digestibility in vivo were studied. The effects of wet and dry processing on chemical composition were analysed in Experiment 1. The effects of dry processed pulp (Dcop) and wet processed pulp (Wcop) (0 g/d, 60 g/d, 120 g/d and 150 g/d) on intake, digestibility and nitrogen retention in sheep fed hay were determined in Experiment 2. Processing method affected the contents of neutral-detergent fibre (NDF), acid-detergent fibre (ADF), lignin soluble phenolics and insoluble proanthocyanidins (condensed tannins). Dry processed pulp had higher NDF, ADF, lignin and phenolic compounds. There was no effect of pulp level on feed intake or digestibility but N-balance was significantly depressed at the 120 g and 150 g levels of Dcop, at which both urinary and faecal N losses and total urine excretion increased. No pronounced effects were observed for Wcop. Condensed tannins and caffeine in coffee pulp appear to limit its nutritive value. 1989 2012-02-13T18:26:13Z 2012-02-13T18:26:13Z Conference Paper Gebru, G., Chichaibelu, B. and Reed, J.D. 1989. Effects of processing methods on chemical composition and in vivo digestibility of coffee pulp in Ethiopia. In: Wilson, R.T. and Melaku, A. (eds.). 1989. African Small Ruminant Research and Development. Proceedings of a conference held at Bamenda, Cameroon 18 - 25 January 1989. Addis Ababa, Ethiopia: ILCA. https://hdl.handle.net/10568/16471 https://books.google.com.et/books?id=qOXW7aYdn8UC en Other Open Access International Livestock Centre for Africa |
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Effects of the method of processing of coffee cherries on pulp composition and digestibility in vivo were studied. The effects of wet and dry processing on chemical composition were analysed in Experiment 1. The effects of dry processed pulp (Dcop) and wet processed pulp (Wcop) (0 g/d, 60 g/d, 120 g/d and 150 g/d) on intake, digestibility and nitrogen retention in sheep fed hay were determined in Experiment 2. Processing method affected the contents of neutral-detergent fibre (NDF), acid-detergent fibre (ADF), lignin soluble phenolics and insoluble proanthocyanidins (condensed tannins). Dry processed pulp had higher NDF, ADF, lignin and phenolic compounds. There was no effect of pulp level on feed intake or digestibility but N-balance was significantly depressed at the 120 g and 150 g levels of Dcop, at which both urinary and faecal N losses and total urine excretion increased. No pronounced effects were observed for Wcop. Condensed tannins and caffeine in coffee pulp appear to limit its nutritive value. |
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Conference Paper |
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livestock |
author |
Gebru, G. Chichaibelu, B. Reed, J.D. |
author_facet |
Gebru, G. Chichaibelu, B. Reed, J.D. |
author_sort |
Gebru, G. |
title |
Effects of processing methods on chemical composition and in vivo digestibility of coffee pulp in Ethiopia |
title_short |
Effects of processing methods on chemical composition and in vivo digestibility of coffee pulp in Ethiopia |
title_full |
Effects of processing methods on chemical composition and in vivo digestibility of coffee pulp in Ethiopia |
title_fullStr |
Effects of processing methods on chemical composition and in vivo digestibility of coffee pulp in Ethiopia |
title_full_unstemmed |
Effects of processing methods on chemical composition and in vivo digestibility of coffee pulp in Ethiopia |
title_sort |
effects of processing methods on chemical composition and in vivo digestibility of coffee pulp in ethiopia |
publisher |
International Livestock Centre for Africa |
publishDate |
1989 |
url |
https://hdl.handle.net/10568/16471 https://books.google.com.et/books?id=qOXW7aYdn8UC |
work_keys_str_mv |
AT gebrug effectsofprocessingmethodsonchemicalcompositionandinvivodigestibilityofcoffeepulpinethiopia AT chichaibelub effectsofprocessingmethodsonchemicalcompositionandinvivodigestibilityofcoffeepulpinethiopia AT reedjd effectsofprocessingmethodsonchemicalcompositionandinvivodigestibilityofcoffeepulpinethiopia |
_version_ |
1779055081279193088 |