Publication Date

1989

Description

In tropical areas, grasses are the main forage offered to rumi­nant, eventhough they have low quality such as native grass crude protein of about 7-12 %, and napier grass about 9-14 %. Recently in Indonesia, plantation of setaria grass was introduced especially in transmigration and watershed areas, regardless its nutritive value, and its influence on animal performances. Similar with other grasses, setaria grass has a low nutritive value and when fed alone can not meet the pro­duction requirements. More over, Jones et al. (1970) reported that cattle with setaria in a grazing system can lead to the death due to oxalate poison. To prevent this and to increase growth rate a supplementation with high protein feedstuffs is necess­ary. For most farmers in the tropics, such concentrates can not be used economically, rather gliricidia of cassava leaves can be provided by farmers. Gliricidia leaves contain sufficient crude protein and are harmless when given continuously during a long period of time (Chanlokar, 1982). This species grows well in small plot, along fence lines and roads-sides. Cassava leaves are one of the five major crop by-products in Java, Indonesia. It contains approximately 25 % crude protein. This is assumed to be a potentially important low cost source of protein for ruminants (de Boer and Forno, 1975). This experiment was carried out to evaluate the nutritive value, voluntary intake and digestibility of setaria grass with or without cassava and gliric­idia leaves and their effect on performance of sheep.

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The Effect of Supplementation of Setaria Grass with Cassava or Gliricidia Leaves on Growing Sheep

In tropical areas, grasses are the main forage offered to rumi­nant, eventhough they have low quality such as native grass crude protein of about 7-12 %, and napier grass about 9-14 %. Recently in Indonesia, plantation of setaria grass was introduced especially in transmigration and watershed areas, regardless its nutritive value, and its influence on animal performances. Similar with other grasses, setaria grass has a low nutritive value and when fed alone can not meet the pro­duction requirements. More over, Jones et al. (1970) reported that cattle with setaria in a grazing system can lead to the death due to oxalate poison. To prevent this and to increase growth rate a supplementation with high protein feedstuffs is necess­ary. For most farmers in the tropics, such concentrates can not be used economically, rather gliricidia of cassava leaves can be provided by farmers. Gliricidia leaves contain sufficient crude protein and are harmless when given continuously during a long period of time (Chanlokar, 1982). This species grows well in small plot, along fence lines and roads-sides. Cassava leaves are one of the five major crop by-products in Java, Indonesia. It contains approximately 25 % crude protein. This is assumed to be a potentially important low cost source of protein for ruminants (de Boer and Forno, 1975). This experiment was carried out to evaluate the nutritive value, voluntary intake and digestibility of setaria grass with or without cassava and gliric­idia leaves and their effect on performance of sheep.