Show PREVENT SPREAD OF DISEASE OF CHICKS the method of spread or sion blon of white Is well known that method Is this chicks that survive the white diarrhea diar rhen contain tile tha organisms in their bottles bodies and a ce certain r percentage pern tage of the eggs laid by that hen when grown crown nrc infected before hatching the chicks come out of tile the shell with the disease and immediately med lately show symptoms of white diarrhea and this spreads th through roligh their first four days of life to till nil the other chicks in the lock flock during the first four days of life if ono one chick comes out of the batch infected others of that particular batch will become infected prevention consists in hatching chicks from eggs free from infection if your chickc get the disease treatment Is practically useless attention would be better given to prevention than to treatment kill 1011 all noticeably diseased remove all free from als di ease away from infected premises the only satisfactory method of determining ter mining whether a lien hen Is infected la Is by means of blood teal draw a small vial of blood from each lien hen that Is to be bred from the college Is testing blood free of charge at the present time and will soon have a bulletin available aval lable explaining this method the proper time to test for white diarrhea Is in the fall after culling test all liens you propose to keep over for breeding purposes one test may not eliminate all disease test at least every year or every six months until you know they are freo free do not add to your flock any bird you do not know to be free from this disease all may soon be forced to test as an people are going to stop buying indiscriminately ly from hatcheries or breed ers whose eggs come from unknown untested stock they will buy from the hatchery that tests the hens that lay the tha eggs the blood test Is tho the only means at all satisfactory for tile the elimination of white diarrhea as it eliminates the hen that lays the eggs that are anro infected dr 11 II pa B newsom New pathologist colorado experiment station |