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Providing a dark months to have broiler chickens and you can turkeys control development at the beginning of existence, which provides skeletal and metabolic assistance an opportunity to write in advance of the birds score heavy (14).

Rearing wild birds at low white intensities could cause interrupted sleeping bouts and you will deficiencies in apparent sleeping and wakeful symptoms (8). Four-hours or even more out of darkness every day leads to extreme developments in the hobbies variables compared to the 0-step 1 period regarding darkness (8).

Chicks and you may poults should be available with at least step one hour from dark during the for each 24 hour several months immediately following day away from location, as well as the black period have to be slowly risen to a minimum away from 4 period during the for every single 24-hour months in the day time hours 5 away from location. Прочитать остальную часть записи »