தழிழர் பொருளாதாரம் அபிவிருத்தி பெற விவசாய மேலாண்மை கூட்டுப் பண்ணை மூலம் அதி உச்ச பயன்பெறுதல் கோழி வளர்ப்பு மூலம் குடும்ப பொருளாதாரம் பேனல். ஆடு வளர்ப்பு தொழிநுட்பங்கள். பால் பண்ணை மூலம் அதிகூடிய வருவாய் ஈட்டுதல்.

BROILERS

Caring Broilers
Broilers are young chicken of either sex of six to eight weeks of age, tender meat with soft, pliable, smooth textured skin and flexible breast bone cartilage.
Housing
Provide 930 cm2 floor spaces per broiler chick. Provision must be made for adequate ventilation. The general management of broiler chicks is similar to those discussed under egg type chicks.
Feeding
Provide up to 2 weeks 5 cm and from 3 weeks to finish 10 cm linear feeder space per bird. Raise the level of the feeder as the birds grow. Do not fill the feeder more than half. If tube feeders are used, provide 3 nos. of 12 kg capacity feeders per 100 chicks.
 Composition of broiler ration
IngredientPercentage inclusion
Starter (0-5 weeks)Finisher (6-7 weeks)
Yellow Maize47.0054.50
Rice polish8.0010.00
Soyabean meal17.5014.00
Groundnut cake (expeller)15.0011.00
Unsalted dried fish10.008.00
Mineral mixture2.002.00
Salt0.500.50
 100.00100.00
                  Alternatively commercial broiler starter and finisher rations prepared by reputed feed manufacturers can be given.
(Source: www.vuatkerala.org )
Watering
  • Provide for 100 chicks of 0-2 weeks - 2 x 2 litres capacity waterers.
  • 3 weeks to finish - 2 x 5 litres capacity waterers.
  • Ensure clean fresh water always.
  • Exercise extreme care and attention during the brooding period. If the losses in the first few days exceed 2%, carefully check the brooding management and get the postmortem examination done.
  • Reduce brooder temperature every week by 3oC. When the brooder is removed provide one 40-watts bulb for every 250 broilers during night.
  • To ascertain approximate quantity of feed and water that 100 broilers consume per day, the following formula given will be useful.
    • Kg feed per 100 birds - Age in days/4.4
    • Litres of water per 100 birds - Age in days/2.0
  • The above formula will give approximate figures under average conditions. Depending on the season of the year, there is likely to be variations in the range of 5-10%.
    Watering

     accination programme for broiler chicken
    AgeDiseaseVaccineRoute
    0-5 daysRDLasota or F vaccineOcculonasal
    10-14 daysIBDIBD LiveDrinking water
    24-28 daysIBD Drinking water

    Vaccination-1
    Vaccination 
    Production of Hatching Eggs
    If hatching eggs are to be produced, cockerels have to be maintained. Rear at the rate of 15 cockerels per 100 pullets, cull- down to 12 cockerels at 10 weeks of age. For mating, provide one cock for 10-15 pullets of light breeds and 6-8 pullets of heavy breeds. Collect hatching eggs two weeks after introduction of males. 
    Gather hatching eggs 3 to 4 times a day. In hot or cold season increase the frequency of collections. As soon as the eggs are collected, store them at a temperature between 10 and 16oC with a relative humidity of 70 - 80%. Select eggs for hatching that meet the weight requirement and that are normal in shape, colour and texture. While storing and transporting hatching eggs, keep them with broad end up and handle the eggs very gently. If possible either set the eggs for incubation or market hatching eggs twice a week. Never hold hatching eggs for more than one week under ordinary conditions of storage.
    Brooding

    Hatching conditions 
    The incubation period of chicken egg is 21 days. For successful hatching, eggs require specific conditions of temperature, turning and ventilation
    hatchery
    Specific conditions for hatching 
    Temperature
    1-18 days
    19-21 days
    37.5 – 37.8oC
    36.9 –37.5oC
    Humidity60% up to 18 days70% thereafter
    TurningOnce every 4 hours up to 18 days  -
    Ventilation1-18 days
    19-21 days
    8 changes/hour
    12 changes/hour


    CandlingCandle the eggs twice during incubation – one on 7th day and the other on 18-19 days of incubation. Transfer the eggs to the hatches after candling on 18th day.
    Candling
    Candling
    Disease Control Guidelines
    Diseases are likely where larger numbers of birds are reared in confinement. Therefore, a planned programme for the prevention and control of diseases in the poultry houses is a crucial factor in profitable poultry farming. The following general principles are to be followed.
    • Clean the house at least two weeks before housing a new batch of birds.
    • Remove all old litter and equipment. Clean the ceiling, walls and floor. Thorough sweeping and washing followed by treatment with disinfectants are necessary.
    • Wash, disinfect and dry the equipment before placing in the house.
    • Clean the light reflectors, replace burnt out bulbs and check electric connections.
    • Keep all wild birds, rats, dogs and cats out of the farm.
    • Do not allow visitors into the poultry houses.
    • Burn or bury all dead birds immediately.
    • Clean the waters and feeders daily with 1% ammonia solution.
    • Change foot-bath at the entrance of poultry house daily.
    • Adhere to strict sanitation in and around the poultry house.
    • Remove wet litter immediately.
    • Look for signs of ill health in the flock every time you enter the poultry house.
    • Deworm the birds as and when required after peak production.
    • If any disease is suspected, immediately obtain accurate diagnosis and follow recommendations of the poultry specialist consulted.

    Mycotoxins in feed

    Chicken show varying degrees of sensitivity to different mycotoxins. Presence of mycotoxins in feed is found to cause depressed growth in chickens, depressed egg production and egg weight in laying hens. It adversely affects fertility and hatchability also. Ducks are more sensitive to mycotoxins than chicken.
    The feed ingredients and feed should be free from mycotoxins. Moisture content above 11% leads to mould growth. Spoilage during storage can be avoided by drying, keeping in air tight bins and reducing storage humidity. Screening of feed ingredients and compounded feed may be carried out regularly. Toxin binders and mould inhibitors may be added to feed for safety.

    Disinfectants and their use

    1. Lysol: Used as a 1-2% solution. Effective general disinfectant, suitable for instrument; poultry equipments, foot-bath etc;
    2. Lime (CaOH powder): An inexpensive general disinfectant can be used as a white wash to walls. 2-5% solution will destroy most pathogenic organisms and their spores. Highly corrosive to skin.
    3. Bleaching powder: May be used as floor disinfectant in empty houses.
    4. Phenols (Cresol): Less toxic but costly. Usually used as a 2-4% solution for disinfecting poultry houses and equipments.
    The general guide for vaccination for chicken
    Name of Vaccine
    RouteAge of birds
    La Sota or F vaccine RanikhetIntranasal drop3 to 7 days
    Marek's vaccine (in Hatchery)Intramuscular1 day
    Infectious Bronchitis (1st dose)Eye drops2 - 3 weeks
    La Sota RanikhetDrinking water5 - 6 weeks
    Fowl Pox (1st dose)Wing Web7 - 8 weeks
    R2B RanikhetSub cut or Intramuscular9 - 10 weeks
    Infectious BronchitisEye drop or drinking water16 weeks
    Fowl Pox (2nd dose)Skin Scarification18 weeks
    La Sota (if necessary) RanikhetDrinking Water20 weeks
    La Sota (if necessary) RanikhetDrinking Water40 weeks
    IBD :
    Mildly invasive vaccineDrinking Water0 - 3 day
    Intermediately invasive vaccineDrinking Water15th day
    Intermediately invasive vaccineDrinking Water28-30th day

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