Housing for layer production
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Transcript of Housing for layer production
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HOUSING FOR LAYER PRODUCTION
CampitCarawanaManluco DVM5BMarquezMasian
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DEFINITION OF TERMS LITTERmaterial used as bedding for animals
LITTER TYPEtype of flooring utilizing the most commonly available materials such as rice hull and rice straw and wood shavings over the cemented floor
SLOTTED TYPEtype of flooring with openings to facilitate cleaning of the droppings
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DEFINITION OF TERMS SLOT – LITTER TYPEcombination of slotted and litter type flooring wherein slats cover 60% of the total floor area and 40% is covered with litter.
COMMUNITY NESTlarge nesting boxes for 3 - 6 layers
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LOCATION
The location shall conform to the land use plan of the area. The site shall be accessible to service roads, water supply and electric lines.
The site shall be well drained and allows for free air circulation. The building shall be constructed in an east-west orientation and the structure for marketable animals shall be located near the service road.
The site shall be located where the prevailing winds will not carry odors to the farmhouse.
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CLASSIFICATION
Type of confinement pen (floor production) cage (cage layer production)
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PEN
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CAGE
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CLASSIFICATION Type of Flooringlitter type slotted type slot-litter type
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SLOTTED TYPE
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LITTER TYPE
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SLOT- LITTER TYPE
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SPACE REQUIREMENT
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CAGE TYPE The minimum space requirement for birds in cages shall be 5m2 /100 birds.
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TRIPLE DECK OFFSET
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TRIPLE DECK STAIR STEP
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VERTICAL DESK
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STRUCTURAL REQUIREMENT
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ROOF Roofing material should be made of corrugated G.I. sheets and other durable roofing materials. At least one-meter roof overhang shall be provided to ensure shade and to protect the birds from rain.
Roof should be equipped with gutters so that rainwater can be drained away separately.
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CEILING (OPTIONAL) Ceiling height shall be at least 2.4 m high
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WALLS
The walls should be made of suitable materials such as chicken wire or bamboo slats.
There should be provision to protect young chicks and older birds during periods of cold weather and extreme winds.
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DOORS Entrance doors shall be at least 900 mm wide by 2 m high and shall be made to swing inward. It shall be covered with 25 mm mesh wire netting.
Doors between pens shall be hung in pairs and be made to swing in both direction so that feed and litter carriers can be pushed through from either direction.
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FLOORSSlotted floor The width of the slat shall be 25 mm - 50 mm and the space in between slats shall be 25 mm – 38 mm. On top of the slats, plastic net or fish net with 25 mm holes shall be used.
If welded wire is used. It should have 625 mm2 mesh. The wire shall be supported every 300 mm.
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Advantages Less floor space per bird is needed when compared to solid floor system. Bedding is eliminated Manure handling is avoided Increased sanitation Saving in labour Soil borne infection is controlledDisadvantages Higher initial cost than conventional solid floors Less flexibility in the use of the building Any spilled feed is lost through the slots More fly problem.
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Slats or wire floors shall be constructed in sections so that they may be removed when it is necessary to clean the droppings from under them, or when the house is cleaned.
The floor shall be elevated at least 900 mm from the ground and the posts should have a diameter of at least 200 mm.
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LITTER-TYPE FLOOR Litter material shall be at least 50 mm - 100 mm deep over the cemented floor. Around the cemented floor, there should be solid wall with a height of 600 mm to retain the litter.
The litter material shall be: light in weight have a medium particle size highly absorbent dry rapidlysoft and compressiblelow thermal conductivity inexpensive
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Advantages Vit B2 and Vit B12 are made available to birds from the litter material by the bacterial action. The welfare of birds is maintained to some extend The deep litter manure is a useful fertilizer. Lesser nuisance from flies when compared to cage system.
Disadvantages Because of the direct contact between bird and litter, bacterial and parasitic disease may be a problem. Respiratory problems may emerge due to dust from the litter. The cost of litter is an additional expenditure on production cost. Faults in ventilation can have more serious consequences than in the cage system
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FUNCTIONAL REQUIREMENT
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PEN SIZES Width of the pen shall be about 10 m - 12 m. The length of the house shall depend on the terrain of the land and on the length of the automatic feeding equipment.
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LAYING CAGE The cage should be designed with wire floor and sidewall (Figure 1). The distance spacing between the wires in front of the cage shall be 60 mm to allow feeding.
Cages should have similar height but the size of the floor shall vary according to the size of the chicken and number of birds per cage.
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FLOOR SHALL BE MADE OF 12 GAUGE WIRE AND SHOULD HAVE A SLOPE OF 21% - 25%. THE DIMENSION OF THE SLOT SHOULD BE 25 MM – 40MM X 60 MM.DROPPING TRAY SHALL BE PROVIDED UNDERNEATH THE FLOOR OF THE CAGE.
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NESTS Nests shall be adequate in size, ample, easily cleaned and well ventilated. Nests are not needed if layers are confined in cages. However, provide nest if layers are kept on litter floor, slat floor, or slat-litter floor pens.
Nest should be either individual or community nest
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TYPES OF NESTS Individual nest shall be 310 mm wide, 310 mm high and 310 mm - 360 mm long. The nest should be constructed with wire mesh at the back or with the back open for adequate air movement. The bottom of the nests shall be removable for easy cleaning. There shall be one nest for each 5 to 6 layer.
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COMMUNITY NESTS THESE ARE UNPARTITIONED BOXES ABOUT 600 MM WIDE AND 2.4 MM LONG, WITH 200 MM OPENING AT EACH END THROUGH WHICH THE LAYERS ENTER AND LEAVE. EACH SHALL HAVE A SLOPING COVER THAT IS HINGED SO THAT IT MAY BE OPENED. THE NEST SHOULD BE CONSTRUCTED WITH WIRE MESH AT THE BACK OR WITH THE BACK OPEN FOR ADEQUATE AIR MOVEMENT. THE LAYING FLOOR SHOULD BE REMOVABLE AND SHOULD BE MADE OF 13 MM GALVANIZED WIRE MESH. THE LAYING FLOOR SHALL BE SLOPING 7% TOWARDS THE OTHER SIDE, WHICH IS PROVIDED WITH FOAM RUBBER BUMPER PAD. ONE NEST BOX SHOULD BE PROVIDED FOR 20 – 25 LAYERS.
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AISLES AND WALKWAYS Where carts are used for feeding and egg gathering, provide a clear passage of 800 mm between cage rows and to the longitudinal walls. At the end walls, 2.4 m clear passage shall be provided.
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EQUIPMENT AND FACILITIES
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EQUIPMENT AND FACILITIES
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BATTERY CAGE Battery cages are a housing system used for various animal production methods, but primarily for egg-laying hens. The name arises from the arrangement of rows and columns of identical cages connected together, sharing common divider walls, as in the cells of a battery.
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CAGE SYSTEM
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FREE RANGE
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AUTOMATIC CHICKEN LAYER CAGE
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FEEDER
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WATERER
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CLASSIFICATION AND GRADING OF EGG Chicken eggs shall be grouped into two based on the color of shell. Each group shall be described as follows:
1. Whites – All eggs must be of the standard chalky white tolerating the very light cream tints.
2. Browns – All eggs must be apparently brown including the dark cream tints and any variation in the shade of brown eggshell.
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Each group shall be divided into seven Classes Based on Weight(grams per egg) of each egg in group:
Jumbo = 70 and upExtra large = 65-70Large = 60-65Medium = 55-60Small = 50-55Pullets = 45-50Pewee = 40-45
*Philippine National Standard – Table Egg Specifications.
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CANDLING EGGS
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