Effect of distillers dried grains with solubles (DDGS) on the excretion of nutrients in growing pigs. Technical note


Abstract


In order to determine the effect of distillers dried grains with solubles (DDGS) on the content of dry matter (DM), and the excretion of
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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