2002
DOI: 10.1590/s1516-635x2002000100006
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Granulometria do Milho em Rações de Crescimento de Frangos de Corte e seu Efeito no Desempenho e Metabolismo

Abstract: Foram realizados dois experimentos para avaliar os efeitos da granulometria do milho das rações, expressa pelo diâmetro geométrico médio (DGM), 0,337; 0,574; 0,680; 0,778; 0,868 e 0,936mm, sobre o desempenho, o metabolismo energético e a morfologia intestinal (número e altura de vilosidades do duodeno) de frangos de corte machos, de 21 aos 42 dias de idade. No 1° experimento, partículas de 0,868 mm proporcionaram às aves maior consumo de ração, maior ganho de peso e melhor conversão alimentar. A altura das vil… Show more

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Cited by 20 publications
(26 citation statements)
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References 4 publications
(7 reference statements)
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“…These results are consistent with the hypothesis that coarse feedstuffs promote muscle hypertrophy in the gizzard because of the effort to reduce particle size. Results of Ribeiro et al (2002) corroborate this work to assess the size of food particles in chickens, and it was observed that the gizzard weight also increased when the diet contained large particles, suggesting that gizzard size is related to the development of the longitudinal smooth muscles due to the mechanical work needed to grind the feed. It must be noted that the greater the particle size, the longer the feedstuff needs to remain in the gizzard in order to be reduced (Turk, 1982).…”
Section: Resultssupporting
confidence: 76%
See 1 more Smart Citation
“…These results are consistent with the hypothesis that coarse feedstuffs promote muscle hypertrophy in the gizzard because of the effort to reduce particle size. Results of Ribeiro et al (2002) corroborate this work to assess the size of food particles in chickens, and it was observed that the gizzard weight also increased when the diet contained large particles, suggesting that gizzard size is related to the development of the longitudinal smooth muscles due to the mechanical work needed to grind the feed. It must be noted that the greater the particle size, the longer the feedstuff needs to remain in the gizzard in order to be reduced (Turk, 1982).…”
Section: Resultssupporting
confidence: 76%
“…Ribeiro et al (2002) did not find any effects of increasing corn particle size on duodenal morphology (villus number and height) in 21-to 42-d-old male broilers, but that villus number and height increased with age.…”
Section: Resultscontrasting
confidence: 59%
“…1. Os níveis nutricionais dos ingredientes seguiram os preconizados por Rostagno et al (2005), e os níveis nutricionais das rações por Lara et al (2008).…”
Section: Methodsunclassified
“…As rações dos diferentes tratamentos foram calculadas para que tivessem os mesmos níveis nutricionais, sendo compostas à base de milho, farelo de soja e farelo de trigo, conforme exigências nutricionais e composição dos alimentos recomendadas por Rostagno et al (2005) para as respectivas fases (cria e recria).…”
Section: Methodsunclassified