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Articles by K. Viswanathan
Total Records ( 4 ) for K. Viswanathan
  B. Anitha , M. Moorthy and K. Viswanathan
  An experiment was conducted to study the inclusion of crude rice bran oil on production performance, carcass characteristics and biochemical parameters for a period of seven weeks with two hundred and sixteen commercial, straight run day-old Vencobb broiler chicks. These chicks were randomly grouped into six treatments with three replicates of twelve chicks each. The treatment groups consisted of 0% (T1), 1% (T2), 2% (T3), 3% (T4), 4% (T5) and 5% (T6) crude rice bran oil included in the broiler diet. The breast muscle cholesterol revealed no significant difference between treatment groups. Whereas the mean thigh muscle cholesterol of other treatment group birds was significantly (p<0.05) lower than those of control group. The serum total cholesterol, HDL cholesterol, LDL cholesterol and triglycerides level did not differ significantly between treatment groups.
  P. Thirunavukkarasu , M. Moorthy and K. Viswanathan
  A study was carried out to find out the effect of induced moulting of commercial SCWL laying hens at 60, 65 and 70 weeks of age group. A control group was kept without moulting at their respective ages. The layers were reared in cages for the entire experimental period adopting standard managemental practices. The layers fed commercially available layer diet. After 28 days period of egg production (pre-moult), the layers were subjected to induced moulting by feed and water restriction followed by ad-libitum feeding and had free access to wholesome water. Seventeen hours photoperiod was provided daily through out the post-moult laying period. The birds in 70 weeks age group had higher livability among the moult induced groups and no change in body weight.
  M. Moorthy , S. Saravanan , C. Mehala , S. Ravi , M. Ravikumar , K. Viswanathan and S.C. Edwin
  Two hundred and eighty commercial layer chicks belonging to single hatch were purchased from local hatchery, wing banded, weighed and randomly allotted into seven treatment groups with four replicates of ten chicks each. The chicks were reared in cages in a gable roofed, open sided house. All the chicks were provided with uniform floor, feeder and waterer space and were reared under standard management conditions throughout the experimental period. The experimental diet was formulated according to the standards prescribed in Bureau of Indian Standards (B.I.S., 1992). The treatment groups were T1-Control; T2-0.1% aloe vera; T3-0.1% turmeric; T4-0.1% probiotic; T5-0.1% aloe vera + 0.1% turmeric; T6-0.1% aloe vera + 0.1% probiotic and T7-0.1% turmeric + 0.1% probiotic powder. There was no significant difference in feed consumption. Hen housed egg production, hen day egg production and return over feed cost differ significantly after 40 weeks of age during the experimental period. The overall mean per cent broken eggs differ significantly (p<0.05) among treatment groups but no significant difference was observed in overall mean feed conversion ratio per dozen eggs during the experimental period.
  M. Moorthy , S. Ravi , M. Ravikuma , K. Viswanathan and S.C. Edwin
  Two hundred and ten commercial, straight run day-old Vencobb broiler chicks belonging to single hatch were purchased from local hatchery, wing banded, weighed and randomly allotted into seven treatment groups with three replicates of ten chicks each. The chicks were reared in broiler cages in a gable roofed, open sided house. All the chicks were provided with uniform floor, feeder and waterer space and were reared under standard management conditions throughout the experimental period of six weeks. The treatments were T1-Control; T2-0.2% Ginger powder; T3-0.2% Pepper powder; T4-0.2% Curry leaf powder; T5-0.2% Ginger + 0.2% pepper; T6-0.2% Ginger + 0.2% Curry leaf powder and T7-0.2% Pepper + 0.2% Curry leaf powder. The mean body weight (g/bird) of broilers at 6 weeks of age fed with different inclusion levels of dried ginger, pepper and curry leaf powder differ significantly (p<0.05) among treatment groups at six weeks of age. The feed conversion ratio was significantly (p<0.01) superior in ginger-curry leaf (T6) and pepper-curry leaf powder (T7) fed groups compared to control. But the feed consumption did not differ significantly among treatment groups because of isocaloric and isonitrogenous diet. The mean return over feed cost of T2 and T5 was significantly (p<0.01) higher when compared to other treatment groups at sixth week of age. The carcass characteristics viz. pre-slaughter, New York dressed, eviscerated weights, ready-to-cook percentage, abdominal fat percentage and giblets weight did not differ significantly between the treatment groups fed different levels of dried ginger, pepper and curry leaf powder from 1-6 weeks of age.
 
 
 
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