Manifestations of<i>Clostridium perfringens</i>and related bacterial enteritides in broiler chickens

Wilson, Jeff; Tice, George; Brash, Marina L.; Hilaire, S. St.

doi:10.1079/wps200566

Cited by 42 publications

(25 citation statements)

References 66 publications

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“…Wilson et al (2005) explained that the growth suppressing effect of intestinal bacteria was due to the production of toxic metabolites that irritate the gut mucosa, thereby inhibiting nutrient absorption. The ileal C. perfringens populations of birds were altered when SAFMannan was added to their diets.…”

Section: Discussionmentioning

confidence: 99%

Effect of Dietary Mannan Oligosaccharide fromSaccharomyces Cerevisiaeon Live Performance of Broilers UnderClostridium PerfringensChallenge

Abudabos¹,

Yehia²

2013

Italian Journal of Animal Science

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A 30-day broiler cage trial was conducted to evaluate the effect of dietary mannan oligosaccharide (MOS) from one commercial product (SAF-Mannan) on growth parameters, gut health and control pathogen colonization of broilers under Clostridium perfringens (C. perfringens) challenge. One hundred, 0-dayold male Ross 308 broilers were allocated in 4 experimental treatments for 30 days. The four dietary treatments were T1, standard broiler basal diets without any medication as a control (+CONT); T2, basal diets as in T1 plus C. perfringens challenge (-CONT); T3, enramycin 0

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Section: Discussionmentioning

confidence: 99%

Effect of Dietary Mannan Oligosaccharide fromSaccharomyces Cerevisiaeon Live Performance of Broilers UnderClostridium PerfringensChallenge

Abudabos¹,

Yehia²

2013

Italian Journal of Animal Science

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“…Further, they stimulate gut immune functions (10,11) and prevent the colonization of the GI tract with avian-pathogenic or zoonotic bacteria via competitive exclusion and the production of bacteriocins (9,12). GI health problems related to subclinical necrotic enteritis and nonspecific small intestinal overgrowth of certain intestinal bacteria (dysbacteriosis) (13) have increased since antibiotic growth promoters (AGPs) as feed additives were banned in the European Union (14,15) GI health problems in broilers typically occur between the ages of 20 to 30 days and result in wet litter, nonspecific enteritis, poor weight gain, and decreased nutrient digestibility and absorption (13,16).…”

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confidence: 99%

Bacterial Succession in the Broiler Gastrointestinal Tract

Ranjitkar

Lawley

Tannock

et al. 2016

Appl Environ Microbiol

115

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bA feeding trial was performed with broilers receiving a diet of wheat-based feed (WBF), maize-based feed (MBF), or maize-based concentrates supplemented with 15% or 30% crimped kernel maize silage (CKMS-15 or CKMS-30, respectively). The aim of the study was to investigate the bacterial community compositions of the crop, gizzard, ileum, and cecum contents in relation to the feeding strategy and age (8, 15, 22, 25, 29, or 36 days). Among the four dietary treatments, bacterial diversity was analyzed for MBF and CKMS-30 by 454 pyrosequencing of the 16S rRNA gene. Since the diets had no significant influence on bacterial diversity, data were pooled for downstream analysis. With increasing age, a clear succession of bacterial communities and increased bacterial diversity were observed. Lactobacillaceae (belonging mainly to the genus Lactobacillus) represented most of the Firmicutes at all ages and in all segments of the gut except the cecum. The development of a "mature" microbiota in broilers occurred during the period from days 15 to 22. Striking increases in the relative abundances of Lactobacillus salivarius (17 to 36%) and clostridia (11 to 18%), and a concomitant decrease in the relative abundance of Lactobacillus reuteri, were found in the ileum after day 15. The concentration of deconjugated bile salts increased in association with the increased populations of L. salivarius and clostridia. Both L. salivarius and clostridia deconjugate bile acids, and increases in the abundances of these bacteria might be associated with growth reduction and gastrointestinal (GI) disorders occurring in the critical period of broiler life between days 20 and 30.

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“…Yurong et al (2005), and Teo & Tan (2006, 2007 showed that B. subtilis is capable of producing an antimicrobial factor against many bacteria, including C. perfringens, the causative agent of necrotic enteritis in broilers, by the immune modulation activity of the B. subtilis. Wilson et al (2005) proposed that the growthsuppressing effect of pathogenic bacteria was due to the production of toxic metabolites that irritate the gut mucosa, thereby inhibiting nutrient absorption. In the current study, the probiotic group (PROB) presented similar performance as the antibiotic group, suggesting that the evaluated probiotic product may replace infeed antibiotics without any negative effect on broiler performance from 1 to 14 days of age.…”

Section: Effects Of the Dietary Inclusion Of A Probiotic A Prebioticmentioning

confidence: 99%

Effects of the Dietary Inclusion of a Probiotic, a Prebiotic or their Combinations on the Growth Performance of Broiler Chickens

Murshed

Abudabos

2015

Rev. Bras. Cienc. Avic.

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A total of 350-one-day old chicks were placed in 70 cages, with 14 cages per treatment. The following five treatment diets were fed for 14 days: T1 = non-supplemented, control diet (CONT); T2 = diet with antimicrobial growth promoter (AGP); T3 = diet with a probiotic (PROB); T4 = diet with a prebiotic(PREB), and T5 = diet with the probiotic and the prebiotic (SYM). The growth experiment was carried out from 1 to 14 days of age. Feed and water were provided ad libitum and birds were maintained at 24-h light schedule. Diets were formulated to contain 3000 kcalME/kg and 21.5% crude protein, and the test materials were added on top. The cumulative results of1 to 14 days of age revealed that broiler fed the AGP and PREB diets presented the highest BWG (305.5 and 297.3 g, respectively), while those fed the CONT diet had the lowest BWG (273.2 g) (p<0.05). On the other hand, the best FCR was obtained in broilers AGP and PROB (1.296 and 1.299 g:g, respectively), while chicks on the CONT and SYM diet had the worst FCR (1.423 and 1.372 g:g, respectively) (p<0.01). The results showed broilers fed the non-supplemented diet consistently presented poor performance. It was concluded that PROB or PREB can serve as alternatives to antibiotic in broiler starter feeds, with no performance impairment.

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Manifestations ofClostridium perfringensand related bacterial enteritides in broiler chickens

Cited by 42 publications

References 66 publications

Effect of Dietary Mannan Oligosaccharide fromSaccharomyces Cerevisiaeon Live Performance of Broilers UnderClostridium PerfringensChallenge

Effect of Dietary Mannan Oligosaccharide fromSaccharomyces Cerevisiaeon Live Performance of Broilers UnderClostridium PerfringensChallenge

Bacterial Succession in the Broiler Gastrointestinal Tract

Effects of the Dietary Inclusion of a Probiotic, a Prebiotic or their Combinations on the Growth Performance of Broiler Chickens

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