Effect of betaine supplement on broiler performance during an experimental coccidial infection

Waldenstedt, L.; Elwinger, K.; Thebo, P.; Uggla, A.

doi:10.1093/ps/78.2.182

Cited by 33 publications

(19 citation statements)

References 13 publications

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“…After replacing the vaccine by the coccidiostatic drugs again, necrotic enteritis disappeared (flock 6). In the study of Waldenstedt et al (1999), vaccinated unmedicated birds had a higher caecal count of C. perfringens than unvaccinated medicated bird and a lower slaughter weight. The vaccinated groups had higher numbers of C. perfringens in the intestinal tract and experienced an outbreak of necrotic enteritis.…”

Section: Control Of Coccidiosismentioning

confidence: 92%

Clostridium perfringensin poultry: an emerging threat for animal and public health

et al. 2004

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The incidence of Clostridium perfringens-associated necrotic enteritis in poultry has increased in countries that stopped using antibiotic growth promoters. Necrotic enteritis and the subclinical form of C. perfringens infection in poultry are caused by C. perfringens type A, producing the alpha toxin, and to a lesser extent type C, producing both alpha toxin and beta toxin. Some strains of C. perfringens type A produce an enterotoxin at the moment of sporulation and are responsible for foodborne disease in humans. The mechanisms of colonization of the avian small intestinal tract and the factors involved in toxin production are largely unknown. It is generally accepted, however, that predisposing factors are required for these bacteria to colonize and cause disease in poultry. The best known predisposing factor is mucosal damage, caused by coccidiosis. Diets with high levels of indigestible, water-soluble non-starch polysaccharides, known to increase the viscosity of the intestinal contents, also predispose to necrotic enteritis. Standardized models are being developed for the reproduction of colonization of poultry by C. perfringens and the C. perfringens-associated necrotic enteritis. One such model is a combined infection with Eimeria species and C. perfringens. Few tools and strategies are available for prevention and control of C. perfringens in poultry. Vaccination against the pathogen and the use of probiotic and prebiotic products has been suggested, but are not available for practical use in the field at the present time. The most cost-effective control will probably be achieved by balancing the composition of the feed.

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Section: Control Of Coccidiosismentioning

confidence: 92%

Clostridium perfringensin poultry: an emerging threat for animal and public health

et al. 2004

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“…The ionophore-amplifying effect of betaine was only observed once and could not be found with other anticoccidial ionophore drugs like monensin and narasin (Matthews et al 1997;Waldenstedt et al 1999), while other scientists found contradictory results (Fetterer et al 2003).…”

Section: Plant (Herb) Extractsmentioning

confidence: 97%

Coccidiosis in poultry: anticoccidial products, vaccines and other prevention strategies

Peek

Landman

2011

Veterinary Quarterly

309

204

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“…Esse autor relatou tendência de aumento no ganho de peso dos frangos à medida que se adicionou betaína na dieta. Waldenstedt et al (1999) descreveram que a adição de 0,10% de betaína aumentou significativamente (P<0,05) o peso vivo das aves com coccidiose em 5,7; 5,4 e 5,6% aos 22, 29 e 36 dias de, idade, respectivamente, em comparação às aves sem a suplementação deste aditivo. Augustine et al (1997), por sua vez, observaram maior peso vivo (P<0,05) quando frangos de corte tiveram a inclusão de 0,15% de betaína na ração durante o período de 1 a 45 dias de idade.…”

Section: Resultsunclassified

Avaliação de complexo enzimático e betaína natural em rações para frangos de corte criados em aviário comercial

et al. 2010

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RESUMO -O objetivo neste estudo foi avaliar os efeitos de um complexo enzimático, composto por protease, xilanase e amilase, associado ou não a betaína em dietas para frangos de corte sobre o desempenho das aves e a análise econômica. Pintos machos da linhagem Cobb 500 (924), com peso médio inicial de 45,8 g, foram alimentados com quatro dietas, cada uma com sete repetições, em um delineamento inteiramente casualizado. Cada unidade experimental continha 33 aves. As dietas foram:controle -rações à base de milho e farelo de soja; enzimas -rações acrescidas de enzimas (protease, xilanase e amilase); betaína -rações acrescidas de betaína natural; enzimas + betaína -rações acrescidas de enzimas e betaína. Evaluation of an enzymatic complex and natural betaine in rations for broilers chickens raised in a commercial poultry houseABSTRACT -The objective of this study was to evaluate the effects of an enzymatic complex composed of protease, xylanase and amylase, associated or not to betaine in diets for broiler chickens on the performance of birds and economical analysis. It was used Cobb 500 male broiler chicks (924) at average initial weight of 45.8 g fed four diets, each one with seven replicates, in a completely randomized design. Each experimental unit had 33 birds. The diets were: control -corn and soybean meal-based rations; enzymes -rations added with enzymes (protease, xylanase and amylase); betaine -rations added with natural betaine; enzymes + betaine -rations added with enzymes and betaine. In the period from 1 to 7 days, the addition of enzymes or betaine into the rations did not influence performance traits. In the period from 1 to 21 days of age, birds fed diets with enzymes + betaine showed lower average feed intake when compared to those diets only with enzymes. However, average weight gain and feed conversion were similar. Diets with enzyme or betaine did not influence performance of the birds compared to control diet. Likewise, in the period from 1 to 35 days, performance of the birds fed diets with enzymes and betaine was similar to the control group. At 41 days of age, broilers fed diets with enzyme or betaine showed performance similar to the control group, so, the additives used had the expected effects. However, combination of the additives did not show the same efficiency. There was no significant influence of diets in the feed cost. Among the evaluated additives, only enzyme and betaine do not affect performance of the birds.

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Effect of betaine supplement on broiler performance during an experimental coccidial infection

Cited by 33 publications

References 13 publications

Clostridium perfringensin poultry: an emerging threat for animal and public health

Clostridium perfringensin poultry: an emerging threat for animal and public health

Coccidiosis in poultry: anticoccidial products, vaccines and other prevention strategies

Avaliação de complexo enzimático e betaína natural em rações para frangos de corte criados em aviário comercial

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