Effect of distiller?s dried grains with solubles (DDGS) on the excretion of nutrients in growing pigs. Technical note
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Abstract
nitrogen (N) and phosphorus (P) in growing pig feces, 256 Yorkshire-Landrace x L35 pigs, of 33 d of age and average weight of 8-9 kg were
used. On the basic diet of corn-soybean, four levels of DDGS: 0, 10, 20, and 30 % were included. The content of dry matter was increased
significantly (P < 0.001) with the levels of DDGS, whereas the excretion and apparent retention of N were not affected. The excretion of P
increased (P < 0.001) in correspondence with the higher intake (P < 0.01) of the mineral. Nevertheless, the apparent retention did not vary.
It was concluded that the inclusion up to 30 % of DDGS in the diet of pigs increased the DM content in the feces, did not influence the N
excretion, and incremented the excretion de phosphorus, due to the higher intake of this mineral.
Key words: DDGS, growing pigs, dry matter, feces, excretion, nitrogen, phosphorus.
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