Effect of Feed Form and Duration Time in Growing Period on Broilers Performance

Agah, M. J.; Norollahi, H.

doi:10.3923/ijps.2008.1074.1077

Cited by 13 publications

(11 citation statements)

References 11 publications

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“…Broiler chickens fed the pelleted diet showed lower RW of pancreas (P o0.01), duodenum (P¼ 0.02), cecum (Po 0.01), and greater duodenum width (P¼ 0.02) than broiler chicken fed the mash diet, the interaction diet form and intensity of feed restriction was found for duodenum width (P ¼0.02). These results are in agreement with those of Agah and Norollahi (2008) who found lower RW of pancreas in broiler chickens fed pellet than mash diet. Chickens subjected to the feed restriction of 25% showed greater RW of duodenum and lower length of left cecum than those subjected to 12.5% of feed restriction (Po 0.05).…”

Section: Resultssupporting

confidence: 95%

Effects of physical form of diet and intensity and duration of feed restriction on the growth performance, blood variables, microbial flora, immunity, and carcass and organ characteristics of broiler chickens

et al. 2015

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Section: Resultssupporting

confidence: 95%

Effects of physical form of diet and intensity and duration of feed restriction on the growth performance, blood variables, microbial flora, immunity, and carcass and organ characteristics of broiler chickens

et al. 2015

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“…72, June 2016 and pancreatic enzyme (amylase, lipase, and chymotrypsin) activities than those fed mash diets. This finding is consistent with the results of Agah and Norollahi (2008) showing a lower relative pancreas weight in broilers fed pelleted diets compared to those fed mash diets.…”

supporting

confidence: 92%

Particle size and feed form in broiler diets: impact on gastrointestinal tract development and gut health

Zaefarian

Abdollahi

Ravindran

2016

World's Poultry Science Journal

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The importance of feed particle size, as a tool to optimise the utilisation of feed and improve production efficiency in broilers, has attracted increased attention in recent years. Particle size reduction is widely believed to enhance the access of digestive enzymes to substrates because of the increased surface area of feed particles. Fine particles can negatively affect the development of fore-gut (proventriculus and gizzard), which plays an important role in intestinal health and nutrient utilisation. A well-developed fore-gut can be achieved by feeding coarse particles which is associated with improvements in gut motility and health. However, the results of studies considering the effect of feed particle size on upper gastrointestinal tract development have been inconclusive, because of the confounding effects of feed form (mash vs. pellets). Feed particle size influences the development of gastrointestinal tract and bird performance to a greater extent when the broilers are fed mash than pelleted diets. Particle size-reducing properties of the pelleting process may result in suboptimal gizzard development and changes in the intestinal morphology and microbiota profile.

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“…However, our results disagreed with Jahan et al (2005), Agah and Norollahi (2008) and Sogunle et al (2013) who found that the effect of diet forms on the productive performance of broiler was not significant. Results also showed that the difference in mortality rate among the three diet forms was not significant.…”

Section: Journal Of Animal Health and Productioncontrasting

confidence: 57%

“…Results also showed that the difference in mortality rate among the three diet forms was not significant. This result agree with the finding of several researchers (Nir et al, 1995;Scott, 2002;Agah and Norollahi, 2008) but disagreed with result obtained by Brickett et al (2007) who found that feeding mash decreased mortality (3.8%) compared with feeding pelleted feed (5.6%).…”

Section: Journal Of Animal Health and Productioncontrasting

confidence: 54%

The Impact of Different Dietary Forms (Mash, Crumble and Pellets) on Some Growth Traits and Carcass Characteristics of Broilers

Al-Nasrawi¹

2016

J. Anim. Health Prod.

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| This study was conducted to investigate the effect of different physical forms of diet (mash, crumble, and pellets) on some growth traits and carcass characteristics of broilers. Chicks (n=300, Ross 308) were distributed in a factorial arrangement with 3 treatments and 2 replicates (50 birds/replicates). The weight gain (WG), feed intake (FI), feed conversion ratio (FCR), and mortality rate were measured during the experimental periods (1-42 d). Some carcass traits were recorded at the end of the experiment (42 days) including weight of carcass, thigh, breast, and abdominal fat. Results revealed that WG and FI were significantly (P<0.05) improved and FCR was significantly (P<0.05) lower in broiler fed crumble and pellet diet than mash during the three periods (22-32 d, 33-42 d and 1-42 d). The significant (P<0.05) improvement was also found in carcass weight, thigh and breast. The superiority of broiler fed crumble and pellet was extended to include each of Performance Index (PI), European Production Efficiency Factors (EPEF) and European Broiler Index (EBI). The mortality rate was not significantly differed across all three diet forms. The results of the present study give an impression that crumble and pellet form of feed is better than mash for the productive performance of commercial broiler during the age of 21 to 42 days.

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Effect of Feed Form and Duration Time in Growing Period on Broilers Performance

Cited by 13 publications

References 11 publications

Effects of physical form of diet and intensity and duration of feed restriction on the growth performance, blood variables, microbial flora, immunity, and carcass and organ characteristics of broiler chickens

Effects of physical form of diet and intensity and duration of feed restriction on the growth performance, blood variables, microbial flora, immunity, and carcass and organ characteristics of broiler chickens

Particle size and feed form in broiler diets: impact on gastrointestinal tract development and gut health

The Impact of Different Dietary Forms (Mash, Crumble and Pellets) on Some Growth Traits and Carcass Characteristics of Broilers

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