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Sulfato de glucosamina e de condroitina sobre o desempenho, cartilagem articular e densidade mineral óssea em frangos de corte

Authors: Garcia, Giuliana Milan de Andrade Rocha;

Sulfato de glucosamina e de condroitina sobre o desempenho, cartilagem articular e densidade mineral óssea em frangos de corte

Abstract

This study aimed to evaluate the effects of glucosamine sulfate, chondroitin and combination of both in the locomotor system and the performance of broiler chickens during 1-42 days of age. It was 900 Cobb - 500 ® line chicks, in a completely randomized design with six treatments and five replicates of 30 birds each design. The treatments were: T1 - negative control, T2 - 25 % glucosamine sulfate and 75% chondroitin, T3 - 50 % glucosamine sulfate and 50% chondroitin, T4 - 75 % glucosamine sulfate and 25 % chondroitin, T5 - 100 % of glucosamine sulfate and T6 - 100% chondroitin sulfate. The experimental diets for creation phase were formulated based on corn and soybean meal, following the recommendations of Rostagno et al. (2011), for the respective phases of creation: initial (1-21 days ) and grower ( 22-42 days). Parameters of growth performance, carcass and parts, bone densitometry of tibiotarsos, staining of cartilage located in the proximal tibia epiphysis and liver morphology, analyzed at 21 and 42 days were evaluated. Statistical analyzes of the data were performed by analysis of variance method with the aid of the General Linear Model of SAS  (2002 ) and in case of statistical significance, the means were compared by Tukey test at 5 % probability. The different levels of glucosamine and chondroitin sulfate did not cause significant effect on the parameters of broiler performance, carcass yield and liver parts and morphometry. However, it was observed that the treatment with the level of 100% glucosamine sulfate yielded a greater number of chondrocytes in articular cartilage in birds 21 and 42 days of age. For the parameters of densitometry, the level of 100 % of glucosamine sulfate provided greater bone mineral density at 21 days, but at 42 days of age, the level of 100 % of chondroitin sulfate provided higher income densitometry, outperforming the locomotors system

Este estudo teve como objetivo avaliar os efeitos do sulfato de glucosamina, de condroitina e da associação de ambos no sistema locomotor e no desempenho de frangos de corte de 1 a 42 dias de idade. Foram utilizados 900 pintos de corte machos de um dia, da linhagem Cobb-500®, distribuídos em delineamento inteiramente casualizado, com seis tratamentos e cinco repetições de 30 aves cada. Os tratamentos utilizados foram: T1 - controle negativo, T2 - 25% sulfato de glucosamina e 75% condroitina, T3 – 50% sulfato de glucosamina e 50% condroitina, T4 – 75% sulfato de glucosamina e 25% condroitina, T5 – 100% sulfato de 100% glucosamina e T6 – 100% sulfato de condroitina. As rações experimentais para fase de criação foram formuladas à base de milho e farelo de soja, seguindo-se as recomendações de Rostagno et al. (2011), para as respectivas fases de criação: inicial (1-21 dias) e crescimento (22-42 dias). Foram avaliados os parâmetros de desempenho zootécnico, rendimento de carcaça e partes, densitometria óssea dos tibiotarsos, histoquímica das cartilagens das tíbias localizadas nas epífises proximais e morfometria hepática, analisadas aos 21 e 42 dias. As análises estatísticas dos dados foram realizadas pela análise de variância com o auxílio do procedimento General Linear Model do SAS (2002) e em caso de significância estatística, as médias foram comparadas pelo teste de Tukey, ao nível de 5% de probabilidade. Os diferentes níveis de sulfato de glucosamina e de condroitina não determinaram efeito significativo sobre os parâmetros de desempenho das aves, rendimento de carcaça e partes e morfometria hepática. Entretanto, foi observado que o tratamento com o nível de 100% de sulfato de glucosamina proporcionou maior número de condrócitos nas cartilagens articulares de aves com 21 e 42 dias de idade. Para os parâmetros de densitometria, o nível de 100% de ...

Pós-graduação em Zootecnia - FCAV

Country
Brazil
Keywords

Cartilagem articular, Frango de corte - Carcaças, Frango de corte, Frango de corte - Criação, Desempenho, Articular cartilage

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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