Feed preferences of emus (<i>Dromaius navaehollandiae</i>) on feeding by-products of crops and food processing

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  • エミュー（<i>Dromaius navaehollandiae</i>）における作物副産物および製造粕類の嗜好性
  • エミュー(Dromaius navaehollandiae)における作物副産物および製造粕類の嗜好性
  • エミュー(Dromaius navaehollandiae)ニ オケル サクモツ フクサンブツ オヨビ セイゾウ カスルイ ノ シコウセイ

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Abstract

<p>The present study aimed to select inessential feed for emus, and an experiment, involving local by-products of crops and food processing, was conducted to examine emus' preferences. The subjects were four adult emus, allowed to select from the following varieties of feed: the first group: carrots, cabbages, and the leaves of Japanese radishes; the second group: carrot silage, cabbage silage, and corn silage; the third group: soybean curd residue and soybean meal, and concentrated feed made of liquids from potatoes; and the fourth group: the varieties of feed in the first group mixed with concentrated feed equivalent to 5% of the dry matter contents. In the experiment, the emus ate all dry matter feed amount of cabbages, the leaves of Japanese radishes, cabbage and corn silage, soybean curd residue and soybean meal. Small amounts of carrot and its silage were left in dry matter contents, presumably because they did not like the shape of shredded carrots. Although they did not eat concentrated feed when it was fed alone, they consumed it completely when it was mixed with preferred inessential feed. It was suggested that the concentrated feed is able to mix as a feed to increase crude protein contents.</p>

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