Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/12875
Title: Evaluation of high dietary inclusion of distillers dried grains with solubles and supplementation of protease and xylanase in the diets of broiler chickens under necrotic enteritis challenge
Contributor(s): Barekatain, Mohammad Reza  (author); Antipatis, C (author); Rodgers, Nicholas  (author); Walkden-Brown, Steve W  (author)orcid ; Iji, Paul  (author); Choct, Mingan  (author)orcid 
Publication Date: 2013
Open Access: Yes
DOI: 10.3382/ps.2012-02786Open Access Link
Handle Link: https://hdl.handle.net/1959.11/12875
Abstract: A 2 x 2 x 2 factorial experiment was conducted to investigate the effect of a high level of sorghum distillers dried grains with solubles (DDGS; 20%), with or without a combination of protease and xylanase in broiler chickens, under a necrotic enteritis disease challenge. A total of 576 male broiler chicks were randomly assigned to 8 experimental treatments, each replicated 6 times, with 12 birds per replicate for 35 d. Oral inoculation of the challenged group with 'Eimeria' spp. occurred on d 9, followed by 3 consecutive inoculations of 'Clostridium perfringens' from d 14 through 16. The disease challenge and DDGS inclusion significantly (P < 0.01) interacted, depressing BW gain and feed conversion ratio only in wk 3. Disease challenge adversely influenced (P < 0.01) BW gain and feed conversion ratio of the birds in the third week and across the 35-d study. Over the last 2 wk and across the 35-d trial, the interaction between DDGS and enzyme supplementation showed a tendency (P = 0.09) to gain more BW in birds regardless of the disease challenge. Inclusion of 20% DDGS markedly (P < 0.01) interacted with disease challenge, accelerating the proliferation of 'C. perfringens' in the ceca at d 17. Inoculation of birds with 'C. perfringens' resulted in higher (P < 0.01) counts of 'C. perfringens' in both ileal and cecal contents. The necrotic enteritis-related lesions (d 17) were more severe (P < 0.05) in the intestine of infected birds fed DDGS diets than in birds fed the control diet. Incorporation of DDGS to the diets improved (P < 0.01) the IgA and IgG titer at d 13 but interacted with the disease challenge, reducing the concentration of IgA at d 21 and IgM at d 35 in the infected birds. In conclusion, incorporating a high level of DDGS in the diet of broiler chickens may increase susceptibility to necrotic enteritis. Supplementation of enzymes did not reveal significant mitigation effect in infected birds but helped the birds fed DDGS to maintain feed intake and BW gain.
Publication Type: Journal Article
Source of Publication: Poultry Science, 92(6), p. 1579-1594
Publisher: Poultry Science Association Inc
Place of Publication: United States of America
ISSN: 0032-5791
1525-3171
Field of Research (FOR): 070204 Animal Nutrition
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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