Ash Distribution in Kenya Roughages

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Date
1962
Authors
Dougall, H. W.
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Abstract
The distribution of the percentage of ash contained in over 2,000 cattle, sheep and goat fodders described by Schneider (1947) has been examined by Glover and Dougall (1960), who found that there was a close grouping around the mean of just under nine per cent of the dry matter of the feed. Schneider's records include a variety of feeds such as hays and other dry roughages, green soiling crops, silages, cereal grains, fruit-pulp meals and concentrates. A recent study of the distribution of the percentage of ash contained in grasses, cereals, legumes and browse plants growing in Kenya and analysed in this laboratory, has led to a very similar result. The browse plants which have already been described by Dougall and Bogdan (1958), were composed of a variety of materials such as bark of branches, pods, leaves, young twigs with leaves and young to almost-ripe fruits, etc., but the remaining plants are all roughages which were sampled either at the early flowering stage of growth or at weekly intervals throughout their growth.There was close grouping around the mean of 10.48 per cent of ash contained in the dry matter of 603 plants and 10.26 per cent of ash contained in the dry matter of 418 plants, When all legumes and browse plants are excluded. The very slight difference in mean ash content between Schneider's data and the Kenya data can be ascribed to the fact that the latter are composed almost entirely of roughages.
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East African Agricultural And Forestry Journal, 28, p. 87-87
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