Effect of blue and red monochromatic light during incubation on the early post-embryonic development of immune responses in broiler chicken

Kankova, Zuzana; Drozdova, Angelika; Hodova, Vladimira; Zeman, Michal

doi:10.1080/00071668.2022.2042485

Cited by 5 publications

(3 citation statements)

References 47 publications

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“…Furthermore, we observed that monochromatic red light also promotes the expression of inflammatory factors INF-γ/TNF-α/IL-6 in the chicken thymus. Similarly, red light increased the gene expression of IL-6 in 2-wk-old chickens compared to those incubated under blue light ( Kankova et al, 2022 ).…”

Section: Discussionmentioning

confidence: 98%

The signal pathway of melatonin mediates the monochromatic light-induced T-lymphocyte apoptosis in chicken thymus

Xiong,

Wang,

Dong

et al. 2024

Poultry Science

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Section: Discussionmentioning

confidence: 98%

The signal pathway of melatonin mediates the monochromatic light-induced T-lymphocyte apoptosis in chicken thymus

Xiong,

Wang,

Dong

et al. 2024

Poultry Science

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“…A study comparing red, blue, and white light and the dark incubation conditions reveals that red-lighted incubation (12L:12D) increased total IgG concentration in broiler chicks on d 14 post-hatch and bursa weights of 35 days old male broilers as compared to blue light (Li et al, 2021a). A 12L:12D red-lighting also upregulates the expression of avian βdefensin-1 (AvBD-1) in the duodenum of day-old chicks and IL-6 in two-week-old broiler chickens compare with blue LED light (Kankova et al, 2022). AvBD-1 is an important peptide for innate immunity in birds (Cuperus et al, 2013;Zhang et al, 2016), and IL-6 acts as both pro-inflammatory and anti-inflammatory, stimulating intestinal epithelial proliferation and repair (Fasina et al, 2008).…”

Section: Effects Of Light On Embryo Development and Post-hatching Growthmentioning

confidence: 95%

Incubation Temperature and Lighting: Effect on Embryonic Development, Post-Hatch Growth, and Adaptive Response

2022

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During incubation, the content of the egg is converted into a chick. This process is controlled by incubation conditions, which must meet the requirements of the chick embryo to obtain the best chick quality and maximum hatchability. Incubation temperature and light are the two main factors influencing embryo development and post-hatch performance. Because chicken embryos are poikilothermic, embryo metabolic development relies on the incubation temperature, which influences the use of egg nutrients and embryo development. Incubation temperature ranging between 37 and 38°C (typically 37.5–37.8°C) optimizes hatchability. However, the temperature inside the egg called “embryo temperature” is not equal to the incubator air temperature. Moreover, embryo temperature is not constant, depending on the balance between embryonic heat production and heat transfer between the eggshell and its environment. Recently, many studies have been conducted on eggshell and/or incubation temperature to meet the needs of the embryo and to understand the embryonic requirements. Numerous studies have also demonstrated that cyclic increases in incubation temperature during the critical period of incubation could induce adaptive responses and increase the thermotolerance of chickens without affecting hatchability. Although the commercial incubation procedure does not have a constant lighting component, light during incubation can modify embryo development, physiology, and post-hatch behavior indicated by lowering stress responses and fearful behavior and improving spatial abilities and cognitive functions of chicken. Light-induced changes may be attributed to hemispheric lateralization and the entrainment of circadian rhythms in the embryo before the hatching. There is also evidence that light affects embryonic melatonin rhythms associated with body temperature regulation. The authors’ preliminary findings suggest that combining light and cyclic higher eggshell temperatures during incubation increases pineal aralkylamine N-acetyltransferase, which is a rate-limiting enzyme for melatonin hormone production. Therefore, combining light and thermal manipulation during the incubation could be a new approach to improve the resistance of broilers to heat stress. This review aims to provide an overview of studies investigating temperature and light manipulations to improve embryonic development, post-hatch growth, and adaptive stress response in chickens.

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“…This effect is mainly attributed to the pineal gland's function in melatonin secretion (14). This hormone, primarily secreted in the dark, regulates the circadian rhythm and is generally considered an immune stimulant (15,16). Also, in conditions of light stress, immunity can be suppressed (17).…”

Section: Introductionmentioning

confidence: 99%

Different light programs affect the titer of vaccination of Newcastle in broiler chicken

Dibaei,

Sharifi Moghadam,

Haghbin Nazarpak

et al. 2023

J Poult Sci Avian Dis

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Light is an important factor in the functioning of the body of birds, especially the immune system. Management of the lighting program in closed systems of poultry production, mainly by affecting the concentration of melatonin, can be operational on the effectiveness of vaccination. Newcastle disease can cause extensive damage to the poultry industry. Therefore, its timely diagnosis and assessment of the success of vaccination with methods such as the hemagglutination inhibition test are of particular importance. This study investigated the effect of two photoperiods on antibody titer against Newcastle virus following vaccination. Four groups of Ross broilers were examined for six weeks. Groups A and B received the live Newcastle vaccine twice, and groups C and D were not vaccinated against Newcastle. Groups A and C received a lighting program from the management handbook of Ross Broiler, and groups B and D received the continuous lighting program (23L:1D). During the breeding period, blood samples were taken six times from each group, and the HI test measured the antibody titer. The results showed that despite the higher antibody titer in group B compared to group A, this difference was not statistically significant (P>0.05). The feed conversion rate was higher in the groups that received the continuous photoperiod, and their mortality rate was lower than that of the other two groups. Comparing the results of the present study with those of various studies and articles shows the importance of the lighting regime in the success of vaccination.

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Effect of blue and red monochromatic light during incubation on the early post-embryonic development of immune responses in broiler chicken

Cited by 5 publications

References 47 publications

The signal pathway of melatonin mediates the monochromatic light-induced T-lymphocyte apoptosis in chicken thymus

The signal pathway of melatonin mediates the monochromatic light-induced T-lymphocyte apoptosis in chicken thymus

Incubation Temperature and Lighting: Effect on Embryonic Development, Post-Hatch Growth, and Adaptive Response

Different light programs affect the titer of vaccination of Newcastle in broiler chicken

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