Abstract
ABSTRACT This study aimed to evaluate the effects of including 200 g kg −1 dried distillers grains with solubles (DDGS) to xylanase- and protease-supplemented diets for dogs on kibble properties, digestibility, fecal characteristics, and palatability. Experimental diets consisted of: 0 g kg −1 DDGS without enzymes (0WE), 0 g kg −1 DDGS with xylanase and protease (0XP), 200 g kg −1 DDGS without enzymes (200WE), 200 g kg −1 DDGS with xylanase (200X), 200 g kg −1 DDGS with protease [...]
Highlights
Given the growth of the dog food market over the years, and its high competitiveness, new ingredients have been increasingly sought to reduce formulation costs without interfering with diet quality
The results showed that dried distillers grains with solubles (DDGS) inclusion had no influence on kibble physical properties and reduced digestibility of dry matter (DM), ether extract after acid hydrolysis, gross energy, and organic matter, regardless of enzyme addition
No change was observed for DM after DDGS or enzyme addition (P>0.05; Table 4)
Summary
Given the growth of the dog food market over the years, and its high competitiveness, new ingredients have been increasingly sought to reduce formulation costs without interfering with diet quality. 2. Dried distillers grains with solubles have a potential to be included in diets for animal nutrition purposes since they have higher concentrations of protein, fat, vitamins, and minerals compared with corn meals (Spiehs et al, 2002; Widyaratne and Zijlstra, 2007). Dried distillers grains with solubles have a potential to be included in diets for animal nutrition purposes since they have higher concentrations of protein, fat, vitamins, and minerals compared with corn meals (Spiehs et al, 2002; Widyaratne and Zijlstra, 2007) Their use in monogastric feeds is limited due to high contents of non-starch polysaccharides (NSP), which may reduce nutrient bioavailability (Pedersen et al, 2014). Part of the protein in DDGS is associated with fiber, which impairs its digestibility in monogastric animals (Nuez Ortín and Yu, 2009; Chrenková et al, 2012; Silva et al, 2016)
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