PAES 402:2001 Flashcards
PAES 402:2001
Agricultural Structures – Housing for Broiler Production
materials that are placed around the brooder stoves to prevent the chicks from straying too far
away from the heat supply until they learn the source of heat
brooder guard
process of supplying heat to the chicks after hatching up to the time that their natural heat
regulatory mechanisms becomes fully functional
brooding
material used as bedding for animals
litter
long and narrow type of houses wherein at least one-half of the front and the back of the
house are open
open-sided housing
house wherein inside conditions are maintained as near as possible to the bird’s optimum
requirements with the use of mechanical ventilation and artificial lighting
enclosed housing
The building shall be constructed in an ??? and the structure for marketable animals shall be located near the service road.
east-west orientation
Classification of broiler house
A. According to type of roof
1. Lean-to-roof
2. Span/Ridged roof
B. According to type of floor
1. Slotted floor
2. Solid floor
- Litter-type floor
- Concrete floor with cages
C. According to type of enclosure
1. Open sided housing
2. Enclosed housing
Floor space requirements for broiler
4 weeks and below - 6.25
Above 4 weeks old - 12.50
Roof
Roofing material should be made of ??? and other durable roofing materials. At least ??? shall be provided to ensure shade and to protect
the birds from rain.
Roof structure shall be designed to carry additional dead loads such as ???.
Roof should be equipped with ??? so that rainwater can be drained away
separately.
- corrugated G.I. sheets
- one-meter roof overhang
- suspended
feeders - gutters
Ceiling height shall be at least ??? high.
2.4 m
The walls should be made of suitable materials such as ???
chicken wire or bamboo slats
Door
Entrance doors shall be at least ??? and shall be made to ???. It shall be covered with ???.
Doors between pens shall be hung ??? and be made to swing in ??? so
that feed and litter carriers can be pushed through from either direction.
- 900 mm wide by 2 m high
- swing inward
- 25 mm mesh wire netting
- in pairs
- both direction
Slotted floor
The width of the slat shall be ??? and the space in between slats shall be
???. On top of the slats, ??? with ??? shall be used.
If welded wire is used. It should have ???. The wire shall be supported
every ???.
The floor shall be elevated at least ??? from the ground and the posts should have a diameter of at least ???
- 25 mm - 50 mm
- 25 mm – 38 mm
- plastic net or fish net
- 25 mm holes
- 625 mm2 mesh
- 300 mm
- 900 mm
- 200 mm
Litter-type floor
Litter material shall be at least ??? deep over the cemented floor.
Around the cemented floor, there should be solid wall with a height of ??? to retain the
litter.
The litter material shall be:
- light in weight
- have a medium particle size
- highly absorbent
- dry rapidly
- soft and compressible
- low thermal conductivity
- inexpensive
Floor support shall be designed to carry concentrated loads such as the ???.
- 50 mm - 100 mm
- 600 mm
- maximum total weight of the birds
Housing sizes
Width of the pen shall be about ???
10 m - 12 m
Brooding area
The area shall be surrounded with cardboard, metal sheeting or any hard board with a minimum height of ??? to protect the chicken from draught.
450 mm
Brooding area
Artificial light
During the first 48 hours, chicks shall receive a total of ??? of light at ???
of illumination. This amount should be supplied by approximately ??? of light bulb for
each ???
of floor space when the bulb is approximately ??? above the floor and under a
good clean reflector.
After the first 48 hours, the intensity of light shall be reduced. At floor level it should be about ???. Provide approximately ??? of bulb, at 2.4 m above the floor, and
under a good and clean reflector for every ???
of floor space.
The height of hover type brooder shall be adjustable. Hovers shall be maintained at a minimum clearance of ??? above the back of the birds.
- 23 hours
- 35 watt/m2
- 3.5 watts
- 0.37 m2
- 2.4 m
- 10 watt/m2
- 1 watt
- 0.40 m2
- 120 mm
Recommended brooding temperature
Age of chicks (days)/Temperature (°C)
1-7 / 32-25
8-14 / 29-32
15-21 / 27-29
Beyond 21 days / provide heat only when necessary
??? shall be placed in strategic locations inside the poultry house in order to monitor the temperature.
Temperature in the poultry house shall not be permitted to become ??? than the
??? during ???. Temperature should be lowered by providing additional water troughs, roof sprinklers, foggers and fans.
- Thermometers
- higher
- outside temperature
- summertime
Aisles and walkways between doors walls shall be at least ??? wide.
1 m
Each feeding trough should have a guard or lip about ??? to prevent the
feed from being scratched out or beaked out onto the floor. It should be provided with ??? to prevent scratching and billing
- 10 mm - 20 mm
- wire bars or grills
Feeder requirements
- 4 weeks and below
*Linear
m/100 birds: 4
*Round pieces/100 birds: 4 - Above 4 weeks old
*Linear
m/100 birds: 7.5
*Round pieces/100 birds: 5
Waterer
For every ???, ??? chick waterers shall be provided for the ???. Waterers shall be placed outside the edge of the hover. After ??? the founts shall
be placed on stands about ??? high. Each waterer shall hold approximately ??? of
water.
- 100 chicks
- two fount-type
- first 2
weeks - two days
- 25 mm
- 3.6 liters
Waterer requirement
- 4 weeks and below
*Linear
m/100 birds: 2.5
*Round pieces/100 birds: 1 - Above 4 weeks old
*Linear
m/100 birds: 4
*Round pieces/100 birds: 1
To facilitate cleaning, the shape and size of the waterers should be ??? and
fairly wide and supported by an ??? to permit easier adjustment. It may have a ??? at the drainage end to allow easier cleaning.
Waterers should be spaced uniformly throughout the house. No bird shall have to go
over ??? to drink water.
- semi-circular
- adjustable bracket
- removable stopper
- 3 m
Lighting
Artificial lighting with an intensity of ??? shall always be available for use during the night or darkened periods of the day. All electrical design and installation shall
conform to ???
- 200 lux
- Philippine Electrical Code
Ventilation (Natural ventilation)
??? should be either ridge or chimney opening on the ??? of the
building. It should be preferably located at the ??? in a building.
??? should be through vent doors, curtains or other large openings along the of the building.
- Outlets
- downwind side
- highest point
- Inlets
- long
sides
Fans should be installed on the side ??? to the ???.
- opposite
- prevailing winds
For waste management, refer to PAES ??? Agricultural Structures – Waste
Management Structures.
414:2002
Types of Ventilation
- natural ventilation
- mechanical ventilation