Utilization of the breadfruit tree (Artocarpus altilis) meal in fattening swine diets
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Abstract
of 0, 10, 20, and 30 % of breadfruit tree meal as partial substitute for corn in conventional feedstuffs, for the feeding of fattening swine.
An analysis of variance was performed according to one-way design with four treatments and four repetitions. In all the treatments, the
maximum viability (100 %) was obtained and there were no differences for the feed intake (175 kg/pig). The treatments with 0 and 10 %
of breadfruit tree meal did not differ between themselves for the final liveweight (78.25 and 77.25 kg/pig), average daily gain (ADG) (720
and 707 g/pig), conversion (3.47 and 3.54) and carcass yield (73.85 and 73.36 %). However, with 10 % of breadfruit tree meal, the feed
cost/t of liveweight was reduced in 76.94 USD and per carcass ton in 92.97. The diets with 20 and 30 % of breadfruit tree meal reduced
the final liveweight (74.25 and 70.33 kg/pig), the ADG (668 and 608 g/pig), and the carcass yield (72.68 and 72.39 %), besides impairing
the feed conversion (3.74 y 4.11). It is recommended to use up to 30 % of breadfruit tree meal in fattening swine feedstuffs, even when it
would be necessary to have more days in this category. This would permit obtaining productive results similar to those of the conventional
diets and reducing the feeding cost, not changing the beef quality.
Key words: breadruit tree, fattening swine.
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