Effect of Dietary Lactose on Cecal pH, Bacteriostatic Volatile Fatty Acids, and Salmonella typhimurium Colonization of Broiler Chicks

Corrier, D. E.; Hinton, Arthur; Ziprin, Richard L.; Beier, Ross C.; DeLoach, John R.

doi:10.2307/1591254

Cited by 140 publications

(59 citation statements)

References 32 publications

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“…Salmonella contamination of chickens carcasses is very important from the health specialists' and consumers' perspective. It is demonstrated that the control of Salmonella is achieved by low pH and high level of volatile fatty acids in broiler caeca content (Corrier et al, 1990a(Corrier et al, , 1990b. In vitro studies showed that Salmonella typhimurium did not grow when FOS was the sole carbon source (Bailey et al, 1991), therefore feeding oligofructose may be a practical strategy for controlling Salmonella in chicks.…”

Section: Effect Of Dietary Fructans On Microbial Population In Chickementioning

confidence: 99%

Dietary Fructans and Their Potential Beneficial Influence on Health and Performance Parametrs in Broiler Chickens

Bogusławska–Tryk¹,

Piotrowska²,

Burlikowska³

2012

j. cent. eur. agric.

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Fructans, which include inulin and fructooligosaccharides, are non-digestible carbohydrates that are fermented in the large intestine. This review focuses on the effect of these prebiotics on gut microflora, fermentation characteristics, gut morphology, enzymes activity, nutrients digestibility and absorption, lipids metabolism and performance parameters in broiler chickens. Inulin-type fructans can improve performance of birds and health by affecting microbial community in the gastrointestinal tract, gut morphology and nutrient digestion. It is documented that dietary fructans influence the intestinal gut microflora of broiler chickens by increasing the population of Bifidobacterium spp., Lactobacillus spp. and Eubacterium spp. while decreasing the concentration of Clostridium spp. and Escherichia coli in the large intestine and caeca. The supplementation of poultry diets with inulin or oligofructose can lead to an increase of the length of small and large intestines in broilers, elongation of the villus in the chickens jejunal mucosa and increase in the ratio of villus height to crypt depth. The beneficial effect of inulin-type fructans on performance parameters in broilers may be partially explained by the elevated intestinal enzymatic activity under the influence of the fructooligosaccharides and increase of digestibility and absorption of nutrients, mainly protein and fat. The prebiotic effectiveness of inulin-type fructans in broilers depends on a number of factors, like the type of supplement (inulin vs. oligofructose), inclusion level, composition of the basal diet, animal characteristics (age, sex, stage of production) and hygienic conditions (i.e. stress factors).

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Section: Effect Of Dietary Fructans On Microbial Population In Chickementioning

confidence: 99%

Dietary Fructans and Their Potential Beneficial Influence on Health and Performance Parametrs in Broiler Chickens

Bogusławska–Tryk¹,

Piotrowska²,

Burlikowska³

2012

j. cent. eur. agric.

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“…Organic acids, such as acetic, butyric, lactic, and propionic acids, can modify intestinal microbial growth and this prebiotic effect results in the production of short-chain fatty acids by bacteria. Short-chain fatty acids are thought to have an antibacterial effect by decreasing luminal pH (Corrier et al, 1990). Other organic acids, such as citric, fumaric, and malic acids, have been used as growth promoters in chickens.…”

Section: Introductionmentioning

confidence: 99%

Effects of Dietary Zinc Oxide and a Blend of Organic Acids on Broiler Live Performance, Carcass Traits, and Serum Parameters

Sarvari

Seyedi

Shahryar

et al. 2015

Rev. Bras. Cienc. Avic.

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This experiment was carried out to evaluate the effect of different dietary supplementation levels of zinc oxide and of an organic acid blend on broiler performance, carcass traits, and serum parameters. A total of 2400 one-day-old male Ross 308 broiler chicks, with average initial body weight 44.21±0.19g, was distributed according to a completely randomized design in a 2 x 3 factorial arrangement. Six treatments, consisting of diets containing two zinc oxide levels (0 and 0.01% of the diet) and three organic acid blend levels (0, 0.15, and 0.30%) were applied, with eight replicates of 50 birds each. The experimental diets were supplied ad libitum for 42 days. There were significant performance differences among birds fed the different zinc oxide and organic acid blend levels until 42 d of age (p<0.01). The result of this experiment showed that the organic acid blend did not affect feed intake, but zinc oxide increased feed intake. Carcass traits were not influenced by the experimental supplements. Zinc oxide supplementation increased serum alkaline phosphatase level (p<0.01). The organic acid blend reduced serum cholesterol and triglyceride levels (p<0.05). No interactions were found between zinc oxide and the organic acid blend for none of the evaluated parameters. We concluded that zinc oxide and the evaluated organic acid blend improve broiler performance.

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“…The cecum is the site of highest colonization by Salmonella spp., as well as by other pathogenic species of the family Enterobacteriaceae, such as Escherichia coli, compared to other sites in the digestive tract (1) and its colonization is used as a parameter for the evaluation of the efficacy of treatment against salmonellosis (2, 3, 4, 8, 18, 19). This characteristic is related to the presence of specific receptors in the organ, to the physiology of cecal peristalsis causing a longer time of permanence of the food bolus and to pH, among other factors (8,9,18,32).…”

Section: Resultsmentioning

confidence: 99%

“…in the intestine of chickens (2,4,8,9,18,19,22,23,28,32). Its effect is due to the fact that lactose is not fully digested by chickens because of their lactase deficiency, with the carbohydrate reaching the cecum in practically intact form, and being fermented there by the cecal microflora which produces antagonistic substances against Salmonella spp.…”

Section: Resultsmentioning

confidence: 99%

Use of anaerobic cecal microflora, lactose and acetic acid for the protection of broiler chicks against experimental infection with Salmonella Typhimurium and Salmonella enteritidis

Filho¹,

Silva²,

Ribeiro³

et al. 2000

Braz. J. Microbiol.

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The effects of treatment with anaerobic cecal microflora (ACM) and/or lactose and/or acetic acid on systemic and digestive tract of broiler chicks infection with Salmonella Typhimurium and S. Enteritidis were studied. ACM was used without previous bacterial identification. Treatment with ACM contributed to the resistance of broiler chicks to infection with Salmonella spp. The infections were more persistent in the cecum, rectum and crops in decreasing order of intensity. The infections were also self-limiting since treated and control lots presented similar infection rates at the end of the experiments. Alone or in combination with lactose, ACM reduced the colonization of the digestive tract of broiler chicks by S. Typhimurium and S. Enteritidis. The effect of the combination of ACM with lactose or acetic acid was not potentiated in terms of reduction of fecal excretion of Salmonella spp. Treatment with ACM reduced the amount of S. Typhimurium and S. Enteritidis in the feces. Alone or in combination with lactose, ACM reduced the cecal pH in treated birds. S. Enteritidis was much more invasive than S. Typhimurium and the use of ACM alone was more effective on the reduction of systemic infection. An explanation for the process of prevention of intestinal colonization with Salmonella spp. probably resides in the interrelationship of physiological, microbiological and immunological phenomena, as well as the variation in cecal pH.

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Effect of Dietary Lactose on Cecal pH, Bacteriostatic Volatile Fatty Acids, and Salmonella typhimurium Colonization of Broiler Chicks

Cited by 140 publications

References 32 publications

Dietary Fructans and Their Potential Beneficial Influence on Health and Performance Parametrs in Broiler Chickens

Dietary Fructans and Their Potential Beneficial Influence on Health and Performance Parametrs in Broiler Chickens

Effects of Dietary Zinc Oxide and a Blend of Organic Acids on Broiler Live Performance, Carcass Traits, and Serum Parameters

Use of anaerobic cecal microflora, lactose and acetic acid for the protection of broiler chicks against experimental infection with Salmonella Typhimurium and Salmonella enteritidis

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