EFFECT OF USING DIFFERENT COLORED LED LIGHTS ON GONADS, EGG NUMBER AND WEIGHT IN JAPANESE QUAILS
DOI:
https://doi.org/10.26873/SVR-1925-2024Keywords:
LED, light color, quail; reproductionAbstract
Artificial lighting plays a crucial role in regulating the maturation of the reproductive system of birds during puberty and thus affects their reproductive capacity. The aim of this study was to investigate the morphometric effects of the use of different coloured light-emitting diodes (LEDs) on the gonads of male and female Japanese quail (Coturnix coturnix japonica). The experimental groups were also examined with regard to egg count, weight, fertility and hatchability. A total of 240 quails of mixed sex were subjected to three different light colours, namely white, green and blue LEDs. The anatomical condition of the birds was examined at 42 days of age. To evaluate the potential effects of the different light colours on the number and weight of eggs, a cohort of 12 female and 3 male quails from each group were observed for an additional 30 days under identical experimental conditions and light exposures. An assessment was conducted to determine the differences in the number and weight of eggs between the different groups as a function of the number of days. The use of LED lights in different colours had no significant effect on the development of the testes in males and the ovaries in females. Between days 42 and 72 of the experiment, there were no discernible differences in the egg quantities of the quails, reared under different light colours. However, the eggs in the blue light group had a higher weight than those in the white light group. Ultimately, the use of white, green and blue LED lamps for photostimulation had no discernible effect on the growth of testes and ovaries, with the exception of egg weight.
Vpliv barve led-svetlobe na spolne žleze ter na število in težo jajc pri japonskih prepelicah
Izvleček: Umetna razsvetljava igra ključno vlogo pri uravnavanju zorenja reproduktivnega sistema ptic med puberteto in s tem vpliva na njihovo reproduktivno sposobnost. Cilj te študije je bil raziskati morfometrične učinke uporabe svetlečih diod različnih barv (LED) na spolne žleze samcev in samic japonskih prepelic (Coturnix coturnix japonica). Poskusne skupine so bile pregledane glede števila jajc, teže, plodnosti in valilnosti. Skupno 240 prepelic mešanega spola je bilo izpostavljenih trem različnim barvam svetlobe, in sicer beli zeleni in modri LED. Anatomsko kondicija ptic je bila ocenjena pri 42 dneh starosti. Za oceno morebitnih učinkov različnih barv svetlobe na število in težo jajc je bila kohorta 12 samic in 3 samcev iz vsake skupine opazovana dodatnih 30 dni, pod enakimi poskusnimi pogoji in izpostavljenostjo svetlobi. Izvedena je bila ocena za določitev razlik v številu in teži jajc med različnimi skupinami v povezavi s številom dni. Uporaba LED luči različnih barv ni imela pomembnega vpliva na razvoj mod pri samcih in jajčnikov pri samicah. Med 42. in 72. dnem poskusa ni bilo opaznih razlik v številu jajc pri prepelicah, vzrejenih pri različnih barvah svetlobe, so pa imela jajca v skupini z modro svetlobo večjo težo kot jajca v skupini z belo svetlobo. Uporaba belih, zelenih in modrih LED luči za fotostimulacijo ni imela opaznega vpliva na rast mod in jajčnikov, z izjemo teže jajc.
Ključne besede: LED; barva svetlobe; prepelica; razmnoževanje
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