Lighted incubation: embryonic development, hatchability and hatching quality of broiler chicks

Tainika, Brian; Bayraktar, Özer Hakan

doi:10.1080/00439339.2022.1988806

Cited by 7 publications

(6 citation statements)

References 98 publications

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“…studies have been conducted on chicken (Geng et al, 2022;Kumar & Meshram, 2020;Tainika & Bayraktar, 2022;Wang et al, 2021), quail (Moussa, 2019), goose (Hanuszewska-Dominiak et al, 2021), turkey (Martyniuk et al, 2022;Prusik, 2022) and gull (Przybylska-Gornowicz et al, 2012) regarding the avian pineal organ.…”

Section: Discussionmentioning

confidence: 99%

“…Moreover, it plays an important role in the regulation of many behavioural and physiological events, including migration (Przybylska‐Gornowicz et al., 2012). In recent years, many recent studies have been conducted on chicken (Geng et al., 2022; Kumar & Meshram, 2020; Tainika & Bayraktar, 2022; Wang et al., 2021), quail (Moussa, 2019), goose (Hanuszewska‐Dominiak et al., 2021), turkey (Martyniuk et al., 2022; Prusik, 2022) and gull (Przybylska‐Gornowicz et al., 2012) regarding the avian pineal organ.…”

Section: Discussionmentioning

confidence: 99%

“…The pineal gland, resembling a pine cone in the triangular region formed by the cerebral hemispheres and the cerebellum, is the only organ in the brain that has no symmetry between the parietal bones. Since it functions like a primitive eye responsible for the perception of light, it is also called the parietal eye, primitive eye, third eye or apical eye (Altınbay, 2020; Kumar & Meshram, 2020; Tainika & Bayraktar, 2022). Birds have a very different pineal gland structure morphologically and cytologically (Hao et al., 2021; Petrusewicz‐Kosinska et al., 2019; Prusik, 2022; Ralph, 2020; Sapède & Cau, 2013).…”

Section: Introductionmentioning

confidence: 99%

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Embryonic development of the chick pineal gland throughout the incubation periods

Colakoglu,

Selcuk

2023

Anat Histol Embryol

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Birds have a very different pineal gland structure morphologically and cytologically. The structure of the organ shows significant changes during the incubation periods. This study, which follows the embryological development of the pineal gland and makes histomorphometric measurements of the cellular elements that make up the gland parenchyma, is a current reference for studies in these areas. These brains were taken from 24 Babcock White Leghorn chick embryos on the 10th, 13th, 16th and 21st days of incubation. At 10th embryonic day, the pineal recess was in the structure of an elongated pineal canal. Solid rosette‐shaped cell clusters were transforming into round vesicles with a small lumen. These vesicles had developed into larger, oval‐shaped follicles with a well‐defined central lumen. On 13th day, it was observed that the number and development of follicles increased considerably. The pineal gland showed a follicular‐solid structure in 16th day embryos. While the mean follicle diameter was determined as 123.46 ± 13.28 μm on the 10th embryonic day, the highest value was measured as 187.62 ± 7.37 μm on the hatching day (p < 0.05). While the mean follicle area had the lowest value in the 10th day embryos, it was determined that this value gradually increased compared to the advancing embryonic days (p < 0.05). As conclusion, it is thought that this study provides new data to the literature about pineal gland development by monitoring the histological and histomorphometric developments of chick pineal gland in different incubation periods.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Embryonic development of the chick pineal gland throughout the incubation periods

Colakoglu,

Selcuk

2023

Anat Histol Embryol

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“…Recent studies have had evidence showing that exposure of developing embryos to light could play an important role in hatching performance and embryonic growth rate, reduce stress responses to the post-hatch environment, and ultimately affect the performance, behavior, and welfare of birds. Therefore, providing light during incubation has been introduced as a practice to improve hatching and post-hatching performance, and adaptive response to the post-hatch environment Özkan et al, 2012a,b;Rozenboim et al, 2004;Archer and Mench, 2013;Archer, 2017;Tainika and Bayraktar, 2021).…”

Section: Light During Incubationmentioning

confidence: 99%

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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“…Quails are small birds that get reared for meat and egg production ( Ahmad et al, 2018 ; Arunrao et al, 2023 ) and are characterized by a short production cycle, a higher egg-laying rate, and a healthier source of meat and egg products ( Taha et al, 2019 ). The quality and storage factors of hatching eggs are crucial to the success of poultry production because they determine chicks' quality at 1-day-old and thereafter ( Tainika et al, 2023 ). In most poultry company operations, such as laying hen breeders and broiler breeders, incubation performance and the factors influencing it are extensively investigated and studied ( Iqbal et al, 2017 ; England et al, 2023 ).…”

Section: Introductionmentioning

confidence: 99%

Impacts of storage period and egg weight on hatching and growth performance of growing Japanese quails

Abou-Kassem,

El-Sayiad,

El-Samahy

et al. 2024

Poultry Science

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Lighted incubation: embryonic development, hatchability and hatching quality of broiler chicks

Cited by 7 publications

References 98 publications

Embryonic development of the chick pineal gland throughout the incubation periods

Embryonic development of the chick pineal gland throughout the incubation periods

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

Impacts of storage period and egg weight on hatching and growth performance of growing Japanese quails

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