Effects of food restriction during the finishing period on the performance of broiler chickens

Benyi, K.; Habi, Habi

doi:10.1080/00071669889006

Cited by 15 publications

(24 citation statements)

References 7 publications

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“…This is most likely the result of the low sex hormone levels in immature geese. The low relative abdominal and visceral fat weights observed for the restricted group in this study have been reported for broilers (Benyi and Habi, 1998;Ocak and Sivri, 2008) and pigs (Mullan et al, 2009) that underwent restricted feeding during the fattening period. However, time-restricted feeding resulted in comparatively higher liver and empty digestive tract weights in this study.…”

Section: Discussionsupporting

confidence: 51%

“…Furthermore, broilers that were fed ad libitum but denied feed on the 3rd and 5th days of the week showed a 30% decrease in feed intake. Their DG and FE substantially exceeded that of broilers subjected to a 30% quantitative feed reduction, and were similar to that of broilers subjected to a 15% quantitative feed reduction (Benyi and Habi, 1998). Feeding on alternate days also improved FE (Boa-Amponsem et al, 1991).…”

Section: Introductionmentioning

confidence: 64%

“…A low weight gain and high FE caused by restricted feeding during the fattening period has also been observed in broilers (Benyi and Habi, 1998;Svihus et al, 2010) and pigs (Mullan et al, 2009). The superior FE caused by timerestricted feeding may be attributable to low-maintenance requirements or efficient nutrient utilization.…”

Section: Discussionmentioning

confidence: 92%

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The effects of feeding time and time-restricted feeding on the fattening traits of White Roman geese

Chen

et al. 2014

Animal

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This study comprises two trials that investigated the effects of feeding time and time-restricted feeding on the fattening traits and plasma metabolite levels of White Roman geese. In Trial I, 24 geese aged 8 weeks of each sex were allowed free access to a fattening diet for 1 h either in the morning (morning-feeding group) or afternoon (afternoon-feeding group). At 12 weeks of age, blood samples were collected hourly for 4 h, beginning 1 h after feeding to determine the plasma levels of glucose, triacylglycerols and uric acid. The results showed a lower ( P < 0.05) daily feed intake (DFI) and daily gain (DG) and higher ( P < 0.05) feed efficiency (FE) for the morning-feeding group compared with those of the afternoon-feeding group. In addition, the postprandial plasma levels of glucose, triacylglycerols and uric acid did not differ ( P > 0.05) between groups. In Trial II, 12 geese aged 8 weeks of each sex were randomly assigned to either the ad libitum feeding group (control group) or time-restricted feeding group (restricted group). The geese in the control group were fed a fattening diet ad libitum, whereas those in the restricted group were allowed access to the diet for 2 h every morning. All geese were killed at 13 weeks of age and their carcass traits were evaluated. The results showed a lower DFI and DG and higher FE for the restricted group compared with those of the control group ( P < 0.05). In addition, the restricted group exhibited lower visceral and abdominal fat and higher empty digestive tract and liver weights than those of the control group (P < 0.05). The results showed that time-restricted feeding in the morning resulted in superior DG and FE compared with feeding in the afternoon. Moreover, time-restricted feeding implemented in the morning during the fattening period reduced DFI and increased FE in geese compared with ad libitum feeding.

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Section: Discussionsupporting

confidence: 51%

Section: Introductionmentioning

confidence: 64%

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The effects of feeding time and time-restricted feeding on the fattening traits of White Roman geese

Chen

et al. 2014

Animal

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“…This observation is consistent with Bonnet et al (1997), as to a decrease in dry matter digestibility after a period of heat exposure. According to these authors, these results partially explain the lower performance of heat-stressed birds and partially by a reduction in feed efficiency in some cases (Benyi & Habi, 1998). Teeter et al (1985) asserted that feed restriction may improve digestibility, as birds submitted to 25% feed restriction from 28 to 39 days of age, presented 5% higher diet digestibility.…”

Section: Resultsmentioning

confidence: 99%

Effects of the reduction of dietary heat increment on the performance, carcass yield, and diet digestibility of broilers submitted to heat stress

Laganá¹,

Ribeiro

Kessler

et al. 2007

Rev. Bras. Cienc. Avic.

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This experiment aimed at verifying the effect of different diets and thermal environments on the performance, carcass yield, and diet digestibility of 21 to 42-day-old broilers. A total number of 288 21-day-old male Ross broilers were distributed in a 2 x 2 + 2 factorial arrangement, with six replicates, including the following factors: two environments (TNE - thermoneutral: 21-25ºC and 73% RH; CHS - cyclic heat stress: 25-32ºC and 65%RH), and two diets (control: 2.4% soybean oil and 19.5% protein; summer: 4.0% soybean oil and 18.5% protein). In TNE, two additional treatments were included with feed restriction of birds fed both the control and summer diets (pair-feeding), thereby maintaining the same feed intake level for both types of diet. Diet did not influence performance, dry matter and protein digestibilities, or carcass and part yields. TNE birds had better performance (p<0.001) as compared to CHS birds, but FCR was not different. CHS birds had lower breast yield (p<0.0001), and higher thigh yield (p<0.02) than TNE birds. In the pair-feeding treatments, environment did not influence performance, but dry matter digestibility was significantly lower in CHS (p<0.03), whereas protein digestibility was not affected. The difference in feed intake was the main responsible factor for the variation in the performance of heat-stressed birds

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“…This large appetite and some other negative raising and environmental conditions together may cause some problems such as low meat quality, acides, flipover syndrome, left-right sides differences of bilateral traits and some other health problems (SHAHIN and EL AZEEM, 2005;SHAHIN and EL AZEEM, 2006;MENDEŞ et al, 2007). One of the ways used to prevent these problems is the feed restriction programs applied in the early periods (PETER et al, 1997;BEYNI and HABI, 1998;GONZALES et al, 1998;SAVORY and LARIVIERE, 2000;TUMOVA et al, 2002). However, although feed restriction programs applied are effective in taking control of the fast development to some extent, they cause stress on the animals.…”

Section: Introductionmentioning

confidence: 99%

Asymmetry measures and allometric growth parameter estimates for investigate effect of early feed restriction on deviation from bilateral symmetry in broiler chickens

Mendeş

2008

Arch. Anim. Breed.

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The purpose of this study is to investigate the effect of different feeding programs such as ad libitum feeding (AD), 20 % feed restriction based on ad libitum group (FR1) and not fed between 9 a.m. and 3 p.m. (FR2) on deviation from bilateral symmetry or developmental stability in broiler chickens by means of two different approaches namely asymmetry measures and allometric growth model parameters. The weekly left and right sides of shank length, shank width, wing length and face width of chickens were collected from 7 days of age to 42 days of age. Results of this study showed that the deviations from the bilateral symmetry were mostly in fluctuating asymmetry (FA) in the FR1 group birds. On the other hand, the deviations from the bilateral symmetry in the birds in group AD and FR2 were mostly in the form of anti-symmetry (AS) and directional asymmetry (DA) respectively. In this study, the deviation from the bilateral symmetry was mostly in FA type for the measured morphological characters for the FR1 group, and the FA level was usually lower indicating higher welfare level and lower developmental instability for these animals than that of the AD and FR2 groups. Allometric growth coefficients for evaluating the effects of the feeding programs on the developmental stability were a little bit different from the findings obtained by the asymmetry measures' being taken into account. Allometric growth parameters, therefore, should be taken into consideration, along with asymmetry measures when investigating effect of rearing conditions or environmental conditions on developmental stability. As a conclusion, intensive feeding (AD) and long-term feed restriction (FR2) can be said as an important environmental factor affecting developmental stability and dependently the animal welfare and performance.

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Effects of food restriction during the finishing period on the performance of broiler chickens

Cited by 15 publications

References 7 publications

The effects of feeding time and time-restricted feeding on the fattening traits of White Roman geese

The effects of feeding time and time-restricted feeding on the fattening traits of White Roman geese

Effects of the reduction of dietary heat increment on the performance, carcass yield, and diet digestibility of broilers submitted to heat stress

Asymmetry measures and allometric growth parameter estimates for investigate effect of early feed restriction on deviation from bilateral symmetry in broiler chickens

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