Efeito do período de jejum entre o nascimento e o alojamento e da adição de óleo à ração sobre o desempenho de pintos de corte e digestibilidade da ração

Cançado, S.V.; Baião, N.C.

doi:10.1590/s0102-09352002000600012

Cited by 4 publications

(2 citation statements)

References 8 publications

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“…A similar result to Cançado & Baião (2002), who observed that birds passed through fasting for 24 to 48 hours, proved to be heavier than those housed and fed right after hatching. According to Soares et al (2007), in animals subjected to dietary restriction there was a decrease in nutrients demand for maintenance, resulting in increased nutrient use efficiency for growth (Doyle & Leeson, 1997).…”

Section: Resultssupporting

confidence: 83%

Performance of Chicks Submitted to Fasting Post-Hatching and with Maltodextrine Supplementing to Diet as Hydrating and Energetic Additive

Machado

Fernandes

Carvalho

et al. 2017

Rev. Bras. Cienc. Avic.

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This study aimed to evaluate the effect of maltodextrin on performance of chicks passed through four fasting periods. A completely randomized design was performed, consisting of three treatments (1 -control, 2 -4% saccharose; 3-4% maltodextrin 20) and four fasting periods after hatching (0, 12, 24 and 36 hours) with four replications, totaling 1920 birds of both sexes. The studied variables were: water intake in the first 12 hours, average food intake, average body weight and real feed conversion. Data was submitted to analysis of variance and means were compared with each other by Dunnett test at 5% significance. The use of additives and imposing of different fasting periods did not influence the performance at 42 days old. Therefore, fasted chicks consumed significantly more water. At 7 days old, chicks fasted showed higher body weight and higher feed intake, however, the viability did not suffer any influence, the weight remained higher after 21days with the fast imposition and there was no influence on other variables. There was no effect of fasting on broiler chiken's performance at 42 days old. The inclusion of sucrose and maltodextrin to drinking water stimulated the chick´s water intake and provided higher viability after seven days old.

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Section: Resultssupporting

confidence: 83%

Performance of Chicks Submitted to Fasting Post-Hatching and with Maltodextrine Supplementing to Diet as Hydrating and Energetic Additive

Machado

Fernandes

Carvalho

et al. 2017

Rev. Bras. Cienc. Avic.

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“…These results may also explain the increase in weight gain of fasted chicks after they are fed. Cançado and Baião (2002) and Bigot et al (2003) observed that chicks housed for 24 and 48 h after pulling had increased BW gain. At 21 days after pulling, each hour increase in placement time decreased BW by 0.69058 g. At 21 days after pulling, chicks that were housed immediately recovered BW.…”

Section: Discussionmentioning

confidence: 99%

Effects of placement time on performance and gastrointestinal tract growth of male broiler chickens

Cardeal¹,

Rocha²,

Pompeu³

et al. 2020

Revista Brasileira De Zootecnia

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Non-ruminantsFull-length research article Effects of placement time on performance and gastrointestinal tract growth of male broiler chickens ABSTRACT -The main objective of this study was to evaluate the effect of placement time on the performance of broiler chickens and the development of their gastrointestinal tract. Two methodologies for measuring broiler performance were compared, one considering day of pulling as the first day, the other considering day of placement as the first day. A total of 1,056 one-day old male Cobb ® 500 broiler chicks were subjected to treatments of different placement times after pulling from the hatchery: 3, 24, 48, and 72 h. The studied traits were: feed intake, body weight, feed conversion, viability, and gastrointestinal tract development. When day of pulling was considered the first day, feed intake and body weight at 39 days decreased as placement time increased. However, when day of placement was considered the first day, fasting up to 72 h did not have any negative effect on broiler performance at 39 days postplacement. Placement time did not affect yolk sac utilization or liver weight. At nine days post-placement, weights of gizzard + proventriculus, pancreas, and small intestine increased with increasing placement time. At seven days of age, there was no effect of placement time on villus height or crypt depth. It is possible to place broiler chicks up to 72 h post-hatching with no negative effects when day of placement is considered the first day for evaluating broiler performance.

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Hatch window on development of intestinal mucosa and presence of CD3-positive cells in thymus and spleen of broiler chicks

Hayashi

Kuritza

Lourenço

et al. 2013

Journal of Applied Poultry Research

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Efeito do período de jejum entre o nascimento e o alojamento e da adição de óleo à ração sobre o desempenho de pintos de corte e digestibilidade da ração

Cited by 4 publications

References 8 publications

Performance of Chicks Submitted to Fasting Post-Hatching and with Maltodextrine Supplementing to Diet as Hydrating and Energetic Additive

Performance of Chicks Submitted to Fasting Post-Hatching and with Maltodextrine Supplementing to Diet as Hydrating and Energetic Additive

Effects of placement time on performance and gastrointestinal tract growth of male broiler chickens

Hatch window on development of intestinal mucosa and presence of CD3-positive cells in thymus and spleen of broiler chicks

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