A Review of Lighting Programs for Broiler Production

Olanrewaju, H.A.; Thaxton, J. P.; ., W.A. Dozier Iii; Purswell, J.L.; Roush, W. B.; Branton, S. L.

doi:10.3923/ijps.2006.301.308

Cited by 212 publications

(27 citation statements)

References 31 publications

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“…Exposing birds continuously to light can lead to potential welfare concerns such as greater prevalence of leg weakness (Brickett et al, 2007) and skeletal disorders (Sanotra et al, 2001(Sanotra et al, , 2002 and incidence of ascites (Brickett et al, 2007). Therefore, the inclusion of a dark period has been incorporated into management strategies for production (Olanrewaju et al, 2006).…”

Section: Introductionmentioning

confidence: 99%

Growth responses of broiler chickens to different periods of artificial light1

Yang

Jin

Zhong

et al. 2015

Journal of Animal Science

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This study aimed to establish response curves between broiler chicken growth parameters and artificial light periods, as opposed to optimizing a lighting regimen for broiler production. Medium-growing broiler chickens were illuminated for periods of 12, 14, 16, 18, 20, 22, or 24 h each day. The BW of the broilers were significantly influenced by light periods ( < 0.05). Moreover, BW responded to light periods in a linear fashion, suggesting that long light periods result in greater BW. In addition, a linear relationship was found between feed intake and light periods. However, the relationship between shank length and light period was quadratic. When the light period was too short (12 h) or too long (24 h), the light stimulus did not enhance shank growth in the broiler chickens ( < 0.05). In addition, a quadratic relationship between the quantity of abdominal adipose tissue and light period suggested that the quantity of abdominal adipose decreases when the period of the light stimulus was too short or too long ( < 0.05). Moreover, a broken-stick analysis suggested that the triiodothyronine (T3) concentration in the blood was minimally affected beyond 18 h ( = 0.267), although a quadratic relationship was found between the period (from 18 to 24 h) and T3 concentrations in the blood. The response curves established in the present study will be valuable for designing future lighting regimes for medium-growing broiler strains.

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Section: Introductionmentioning

confidence: 99%

Growth responses of broiler chickens to different periods of artificial light1

Yang

Jin

Zhong

et al. 2015

Journal of Animal Science

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“…Light is one of the electromagnetic waves produced from changing electric energy into visible energy by human eyes (1); it is a powerful exogenous factor in controlling many behavioral and physiological processes (31). Good lighting in the industrial environment is considered as a health and safety factor with a high impact on human health, efficiency, and level of consciousness and can also be considered as an effective motivation for personnel (10,12,17).…”

Section: Discussionmentioning

confidence: 99%

Assessment and Design of Illumination in a Steel Manufacturing Company in Ahvaz, Iran

Rangkooy

Rashnuodi

Mazaheri

et al. 2017

Jundishapur J Health Sci

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“…At 2 d of age birds were randomly transferred to individual cages and kept at a temperature of 30 ± 1°C with 50 ± 2% relative humidity and a 23:1 h light/dark period until 5 d of age (Olanrewaju et al, 2006). Birds were housed according to a completely randomised design.…”

Section: Animalsmentioning

confidence: 99%

Endocannabinoid and nitric oxide interaction mediates food intake in neonatal chicken

Hassanpour

Zendehdel

Babapour

et al. 2015

British Poultry Science

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The aim of the current study was to investigate the interaction of the nitric oxide and cannabinoidergic systems on feeding behaviour in neonatal chicken. A total of 6 experiments were designed to evaluate the interaction between cannabinoidergic and nitrergic systems on food intake in 3-h food-deprived (FD3) neonatal chickens. In Experiment 1, chickens received intracerebroventricular (ICV) injections of saline, 2-arachidonoylglycerol (2-AG) (a CB1 receptor agonist, 2 µg), l-arginine (nitric oxide precursor, 200 nmol) and co-administration of 2-AG + l-arginine. In Experiment 2, ICV injection of saline, 2-AG (2 µg), l-NAME (a nitric oxide synthesis inhibitor, 100 nmol) and their combination (2-AG + l-NAME) were applied to the birds. In Experiment 3, injections were saline, CB65 (a CB2 receptor agonist, 1.25 µg), l-arginine (200 nmol) and CB65 + l-arginine. In Experiment 4, birds received ICV injection of saline, CB65 (1.25 µg), l-NAME (100 nmol) and CB65 + l-NAME. In Experiment 5, chickens were ICV injected with saline, l-arginine (800 nmol), SR141716A (a selective CB1 receptor antagonist, 6.25 µg) and l-arginine + SR141716A. In Experiment 6, birds were injected with saline, l-arginine (800 nmol), AM630 (a selective CB2 receptor antagonist, 5 µg) and l-arginine + AM630. Cumulative food intake was recorded until 2-h post injection. ICV injection of CB1 and CB2 receptor agonists increased food intake. Co-injection of 2-AG + l-NAME increased the hyperphagic effects of CB1 receptors. CB2 receptor-induced food intake was not affected by co-administration of CB65 + l-NAME. l-Arginine decreased food intake and this effect was amplified by co-injection of l-arginine + SR141716A. However; CB2 receptor antagonists had no effect on l-arginine-induced hypophagia. The results suggest that there is an interaction between endogenous nitric oxide and the cannabinoidergic system on feeding behaviour which is mediated via CB1 receptors in the neonatal chicken.

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A Review of Lighting Programs for Broiler Production

Cited by 212 publications

References 31 publications

Growth responses of broiler chickens to different periods of artificial light1

Growth responses of broiler chickens to different periods of artificial light1

Assessment and Design of Illumination in a Steel Manufacturing Company in Ahvaz, Iran

Endocannabinoid and nitric oxide interaction mediates food intake in neonatal chicken

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