Effect of Azolla pinnata Use In Feed and Probiotics On Carcase Percentage and Fat Abdominal Broiler
Livestock business is not separated from the cost of feeds issued. Feed is the largest production costs of 60-70% of the total production costs, so it needs to look for and utilize other alternative feed ingredients that do not compete with humans, the price is cheap, easy to obtain and not ignore the content nutrients from the feed ingredients.One of the alternative feed ingredients derived from agricultural waste that is available in large quantities and can be used as animal feed is Azolla pinnata with crude protein content ranging from 24 - 30%. Azolla pinnata plants or water spikes are the plants that usually live on the water surface, so far the farmers consider Azolla pinnata as a weed that disturbs their crops, so Azolla pinnata much thrown away by the farmers.In addition to utilizing Azolla pinnata as broiler feed and broilernya optimal growth should be added probiotics. Provision of probiotics are expected to function to maintain the health of chicken digestion as well as a growth spur so that later available food poultry products in the form of good meat, healthy and reduce residual antibiotics.This research has been conducted in Farm State Agricultural Polytechnic Payakumbuh. The data were collected for four weeks using 100 broiler children, with Completely Randomized Design using 5 treatments and 4 replications, with parameters: weight gain, consumption, conversion, carcass percentage and abdominal fat.The results of this study show that there is an increase in body weight and percentage of carcass. The average percentage of carcasses ranged between 59.24% - 67.52% and the abdominal fat percentage ranged from 9.86% to 11.34%.The conclusion of this study besides can reduce production cost also seen that best treatment that is combination in use of Azolla pinnata 15% and probiotic 10 ml.