Determination of Performance of Yearlings Fed with Rations Containing Wheat, Maize and Buckwheat Straws
Keywords:Whet straw, Maize straw, Buckwheat straw, Yearlings
AbstractAs well as cereal straw, the use of maize straw in ruminant feeding has been increasing as the feed shortage widens. In addition, cultivation of buckwheat with high straw yield potential is becoming widespread. Thus, performance of 15 female Karya yearlings fed with ration containing wheat, maize or buckwheat straws were compared. The yearlings fed either containing wheat, maize or buckwheat straws in three total mixed rations (30% straw in dry matter) that were consisted of, maize silage, concentrate and cracked maize, formulated to provide 150 g daily live weight gain for 21 d. Total mixed rations was prepared based on the nutritive value of wheat straw. Prior to feeding trial yearlings were acclimatized to their respective feed for a period of 14 d. Straws were included in total mixed rations following the chopping at 1-2 cm. Daily live weight gain and dry matter intake of yearlings fed with mixed ration containing wheat, maize or buckwheat straw were 88, 85 and 135 g/d (P=0.10) and 954, 931 and 1078 g/d (P=0.09), respectively. However, crude protein intake of yearlings (g/d) fed with the ration containing buckwheat straw 14% higher than yearlings fed with the ration containing wheat or maize straw. It was concluded that performance of yearling fed with ration containing buckwheat straws was superior to performance of yearlings fed with ration containing wheat and maize straw, while performance of yearling fed with ration containing wheat or maize straw was similar.
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