Effect of floor density on production performance in Japanese quails reared in cages and deep litter
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Date
1993
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Department of Poultry Science, College of Veterinary and Animal Sciences, Mannuthy
Abstract
To suggest a suitable system of rearing and optimum floor space allowance for Japanese quail rearing, so as to reduce housing cost and to achieve batter efficiency, a study was carried out to evaluate the production performance of quails reared in cages and deep litter with different floor densities.
In cage system of rearing the floor densities evaluated were 100, 150, 200 and 250 sq. cm and in deep litter system, 150, 200 and 250 sq. era per bird. The experiment was carried out from the fifth week of age to 50th week of age each group with four replications. Except for the difference in floor densities, ail the managemental practices followed were the same and the data war. recorded for nine, 35-day periods.
The system of housing had no effect on the body weight, but an increase in floor space resulted in a hike in the body weight. Age at first egg, IQ per cent production and 50 per _cent production were not influenced by the type of housing. in deep litter system, they were signifieantly affected by the different floor densities?, but not. in cage system of rearing,
System of housing did not affect the egg production. But in cages, different flour densities significantly affected the egg production. This was not seen in deep litter system of rearing. The mean daily feed consumption was not affected by the system of housing. But the different floor densities in cages and deep litter had significant effect on feed consumption. System of housing and floor density variation had no effect on feed -efficiency. The percent Livability also has shown a similar trend.
System of housing significantly affected the weight of eggs. The treatment groups in cages significantly affected the egg weight, but not in deep litter. Egg quality traits were neither affected by system of housing nor the floor density variations.
Based on correlation of part year and full year productions, 35 weeks of age was found advantageous for selection of breeders. In cage system, it was found to be 15 weeks and in deep litter 35 weeks . The returns over feed cost was found to be better in cage system of rearing compared to deep litter. Between the different floor density allowances, 200 sq.cm floor space per bird surpassed all the other treatments. So it is concluded that the floor space allowance of 200 sq. cm per bird in cages is ideal for Japanese quail rearing.
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PG
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