Effect of Environment on Growth and Feed and Water Consumption of Chickens IV. The Effect of Light on Early Growth

Barott, H. G.; Pringle, Emma M.

doi:10.1093/jn/45.2.265

Cited by 35 publications

(8 citation statements)

References 2 publications

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“…This work confirms earlier suggestions by Barott and Pringle (1951) and Shutze et al (1959) that the effect of a light pattern is limited to the regulation of feeding and resting periods. There is no evidence to suggest that light has any direct physiological effect on the growth of the chick.…”

supporting

confidence: 93%

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The effect of light on broiler growth

Cherry

Barwick²

1962

British Poultry Science

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supporting

confidence: 93%

“…The lighting schedule slightly modifies the pattern of feeding of older chicks but does not divide activity sharply into feeding and resting periods as suggested by Barott and Pringle (1951) for the baby chick.…”

Section: Discussionmentioning

confidence: 99%

The effect of light on broiler growth

Cherry

Barwick²

1962

British Poultry Science

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“…Gordon (1994) indicated that maximal benefit is obtained by rearing broilers under a lighting regimen of 16 h out of 24 h, due to reductions in physiological stress, leg problems and mortality. High light intensity (64·8 lux) reduces growth rate in broilers (Barrott and Pringle, 1951). Cherry and Barwick (1962) stated that light intensities above 10·8 lux probably depress growth.…”

Section: Introductionmentioning

confidence: 99%

The effect of light intensity on growth and development of turkey toms

Yahav

Hurwitz²,

Rozenboim³

2000

British Poultry Science

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1. The effect of light intensities from 10 to 700 lux on the performance of 5 to 18 week-old turkey males was studied in 2 trials. 2. Body weight of 18 week-old turkeys, in both experiments, was highest under the lowest light intensity This coincided with higher weight gain and lower food intake, which resulted in significantly better food conversion efficiency 3. Light intensity affected heart muscle weight but not weight of breast muscle, abdominal fat or testis as proportions of body weight. 4. The decline in plasma T3 concentration with age differed from other treatments at the low light intensity, which resulted in a significantly higher T3 concentration in turkeys exposed to 10 lux at the age of 10 to 15 weeks. 5. It is concluded that light intensity significantly affects food conversion efficiency in turkey males. This is likely to be related to differential investment of energy expenditure for maintenance.

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“…The effects of intermittent light (IL) rather than constant light (CL) programs have been reported since Barrott and Pringle (1951) and Clegg and Sanford (1951) found improved BW with IL treatments. Buckland (1975) concluded that, in most cases, feed efficiency of the IL treatment was superior to that of the CL group, mortality was reduced, leg abnormalities were fewer, and abdominal fat was reduced.…”

Section: Introductionmentioning

confidence: 99%

A Comparison of Energy Efficient Broiler House Lighting Sources and Photoperiods

Andrews

Zimmermann

1990

Poultry Science

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Two experiments were conducted to detennine broiler growth and electricity use for illumination utilizing six light sources and three photoperiods as well as high energy (HE) and low energy (LE) diets. In each experiment, 3,600 Hubbard males were placed in six rooms, each containing 12 floor pens, metered separately for electricity use for illumination. Diets in each trial were similar. A 3,157 to 3,306 kcal/ kg ME three-phase HE program was compared with an LE 3,051 to 3,215 kcal/kg ME four-phase LE program.In Experiment 1, with 23 h of light (L) per day and 1 h of darkness (23L: ID), broilers fed LE were heavier (P<05) at 28,35, and 42 days than those on HE. All four light sources [low pressure sodium, circle soft white fluorescent (SWF), tube-type daylight (DLF) and pencil U tube fluorescent] gave BW and feed conversion (FCV) equal to that obtained with incandescent bulbs (IN) while using from 41 to 62% less electricity. In Experiment 2, broilers reared under SWF and DLF (1L:2D) and SWF (1.3L:2.7D) programs weighed significantly more, and all five treatments had (P<05) better FCV than the SWF (23L:1D) control. Broilers fed the HE dietary program had heavier BW and lower FCV than the LE diet Electric energy use for lights with the SWF (1L:2D) intermittent photoregimen was reduced to 17% of that used with the IN treatment (23L: ID), while resulting in superior BW and FCV. (

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Effect of Environment on Growth and Feed and Water Consumption of Chickens IV. The Effect of Light on Early Growth

Cited by 35 publications

References 2 publications

The effect of light on broiler growth

The effect of light on broiler growth

The effect of light intensity on growth and development of turkey toms

A Comparison of Energy Efficient Broiler House Lighting Sources and Photoperiods

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