Do dust and feed restriction affect ascites in broilers?
The effect of feed restriction and application of canola oil to straw litter on broiler growth and the incidence of ascites syndrome was evaluated in four pens over two cycles. Four hundred male broilers were housed, 100 per pen, in each cycle. Feed intake – of birds in two pens was restricted to 18 g of feed/bird/day from 7 to 16 days of age. Birds in the other two pens had ad libitum access to feed throughout each growing period. Litter oiling – Canola oil was added to the litter twice per week in one restricted and one ad libitum-fed pen (to control dust). Over the six week period, a total of 0.8 litres of oil were added to each square metre of litter. Ascites score – At 6 wk of age, all birds were scored for the incidence of ascites syndrome at the processing plant. Hearts were removed and dissected. A cross sectional image of each heart analysed to determine the area of the right ventricle (RVA – the right ventricle is the chamber in the heart which pumps blood to the lungs). Resu
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