Hello great farmers in the house.I am new here but I started poultry buz last yr wt less than 100 pullets. This year I went further to do 200 pullets from day old.Now they are about 14weeks old but for over a week now I have bn having brownish watery poo among my birds and I have administered anticocci (centre toltr) for 2days but no much improvement. Pls what else shd I do. Xks. Foldar.