Taking a dark colored months to possess broiler birds and you may turkeys controls development early in lifestyle, gives skeletal and you can metabolic expertise an opportunity to build prior to the fresh new birds rating big (14).
Rearing birds at lowest white intensities could result in disrupted resting bouts and too little obvious sleep and you may wakeful periods (8). Four hours or higher off darkness just about every day causes tall improvements inside welfare parameters compared to 0-step 1 period of darkness (8).
Girls and you may poults must be available with at least step 1 hour away from darkness inside the for each 24-hour period shortly after day from position, plus the dark months need to be slowly risen to at least out of 4 era when you look at the for each and every twenty-four hour period by-day 5 of positioning.
Out-of big date 5 out-of positioning up on no prior to when seven weeks just before catching, wild birds kept in barns must have a dark ages of at the very least cuatro consecutive times for the each 24/7 months.
Light intensity have to be enough in the white months to let birds to browse the landscaping and for every day inspections (elizabeth.grams. 5 so you can 10 lux). Light-intensity may only getting shorter briefly to fix unpredictable behaviour.
- measure the lights system since the a prospective contributing foundation so you can behavioral trouble for example violence or flightiness
- check and you may provider light bulbs appear to, because their lighting decrease as we age and soil buildup
- initiate lights apps just after positioning
- render a light concentration of at least 20 lux getting chicks and you may fifty lux having poults from inside the light stage getting the first three days from lifestyle to aid birds to track down supply and you may liquid. ادامهٔ «Lighting software in addition to assist in managing the increases, start of intimate maturity, and returns away from breeders»