Processos térmicos em dietas para frangos de corte na fase pré-inicial

Boemo, Lenise Schroder; Rosa, Daniele Pozzebon da; Rosa, Alexandre Pires; Orso, Catiane; Scher, A.; Gehrke, Sandra Bonaspetti; Silva, Adrian Ertman; Mariani, A.

doi:10.1590/s1519-99402016000200007

Cited by 3 publications

(1 citation statement)

References 10 publications

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“…The mean weight at seven days, when the different diets were evaluated, showed a difference between the treatments (p <0.05), where the birds fed with micropelleted feed had a 19.55% approximate increase in mean weight compared to those fed with meal, a result also found by Boemo et al (2016).…”

Section: Resultsmentioning

confidence: 66%

Performance and intestinal development of chicks submitted to different rations and different types of incubation

et al. 2021

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The objective of this work was to evaluate the effects of two types of incubation and two types of feeding on the performance of chickens and intestinal development of chicks during the pre-starter phase (1 to 7 days of age). One-year-old male Ross® chicks were used. The experimental design was a randomized complete block design, in a 2x2 factorial design, with two types of feed processing (bran and micropelleted) and two types of incubation machines (single and multiple stage), totaling four treatments, with four treatment repetitions each. Twelve birds per experimental unit were used, totaling 192 animals. Performance evaluations were conducted, such as mean weight, weight gain, feed intake, feed conversion, bowel weight and size, and percentage of intestine in relation to live weight. Histomorphometric tests on the height of the villi and depth of the duodenal crypts were also performed. The two incubation machines did not influence any of the analyzed variables. Even though both had the same composition, the micropelleted feed resulted in positive gains for the performance variables: average weight, weight gain, feed intake, and feed conversion when compared to the meal, but was unable to significantly influence the morphometric measurements of the duodenum of chicks in the pre-starter phase.

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Section: Resultsmentioning

confidence: 66%

Performance and intestinal development of chicks submitted to different rations and different types of incubation

et al. 2021

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Pre-starter feed thermally processed to feed broiler chicks

Sousa

Leandro

Carvalho

et al. 2021

Rev. bras. saúde prod. anim.

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The objective of this study was to evaluate the thermal processing of pre-initial diets on performance, morphometry of the organs of the digestive system and nutrient digestibility in broiler chicks. The test sample consisted of 180 broiler chicks distributed in a completely randomized design, with two treatments, six replications of 15 birds each. The treatments consisted of pelleted feed (70°C) and extruded feed (150°C). The metabolism test was realized from 4 to 7 days of age, while the performance and morphometry of the organs of the digestive system were evaluated at 7 and 21 days of age. The data were submitted to analysis of variance. At seven days of age, chicks that consumed extruded feed had lower feed intake, less development of digestive tract organs, lower nitrogen absorption rate, dry matter, in addition to less metabolizable energy compared to pelleted feed. Likewise, at 21 days of age, chicks that consumed extruded pre-starter feed performed worse than pelleted feed. The conclusion is thus reached that feed extruded at 150 ° C for broiler chicks in the pre-initial phase, results in lower nutrient digestibility and an inferior development of the organs of the digestive system at 7 days of age and worse performance at 21 days.

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Efeitos do tipo de incubação e da forma física da ração pré-inicial sobre o desenvolvimento intestinal de pintos de corte

et al. 2019

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A cadeia produtiva agroindustrial brasileira é respeitada no mundo todo, pois é altamente competitiva, eficiente e possui altos índices de produtividade, havendo necessidade de aprimoramento pelo setor, o qual é possível por meio da relação entre pesquisadores e indústrias. O aumento dessa produção está relacionado diretamente aos aspectos nutricionais. O correto balanceamento alimentar para frangos de corte, com quantidade equilibrada de energia e aminoácidos é de fundamental importância. O manejo nutricional pode ser um fator limitante de produção, correspondendo por cerca de 70% de todos os gastos da cadeia produtiva, logo tem despertado interesse de empresas e pesquisadores. A fase de incubação dos ovos tem como objetivo, manter a produção em quantidade e qualidade satisfatórias, produzindo aves livres de micro-organismos patogênicos, com preço reduzido e com o intuito principal de aumentar e melhorar os resultados finais da produção industrial. O objetivo desta revisão é o de buscar e copilar trabalhos voltados para produção avícola, em especial, no que tange a nutrição e incubação de frangos de corte.

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Processos térmicos em dietas para frangos de corte na fase pré-inicial

Cited by 3 publications

References 10 publications

Performance and intestinal development of chicks submitted to different rations and different types of incubation

Performance and intestinal development of chicks submitted to different rations and different types of incubation

Pre-starter feed thermally processed to feed broiler chicks

Efeitos do tipo de incubação e da forma física da ração pré-inicial sobre o desenvolvimento intestinal de pintos de corte

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