Page 62 - Poultry-Punch April 2020 edition

POULTRY PUNCH ARTICLE

Figure 10. Sunlight should not Figure 11. Manure allowed to Figure 12. Having the water
shine directly on birds. Use accumulate reduces ventilation tank inside the house keeps the
sufficient roof overhangs or in cages. water cooler.
window shades to block sunlight.
12:00 pm 2:00 pm 4:00 pm 6:00 pm 8:00 pm 10:00 pm 12:00 am 2:00 am 4:00 am 6:00 am 8:00 am 10:00 am
• Remove manure from the house before the hot
season, if practical. Heat produced during the
decomposition of manure contributes to the No Feeding

heat load in the house. The presence of large

amounts of manure in shallow pit houses or Do Not Disturb Birds
under cage batteries restricts the movement of Drinking Water Flush
air. Provide Feed

• Environmentally controlled houses and curtain-

sided houses that can convert to tunnel Provide Feed
ventilation are ideal in areas subject to high
environmental temperatures. Open houses
should utilize stir fans and fogging systems.

• Insulated roofs reduce the radiation and

conduction of solar heat through the roof to the
interior of the house. Provide Feed
• Ensure the water system can accommodate the Midnight Lighting

water demands for foggers and evaporative
cooling systems, and increased bird water
consumption. The availability of drinking water Figure 13. Management schedule during times of

to a heat-stressed flock should never be heat stress.
compromised.
• Remove unneeded metal objects from around houses (i.e., machinery, vehicles, nest boxes, junk)
that could radiate heat into open houses.
The key to minimizing the effects of heat stress is anticipating periods
of high environmental temperatures, and implementing appropriate
management and nutritional measures prior to the rise in temperatures.
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62 April, 2020