01772     2200217   4500001002100000005001500021035002000036007000300056008003900059082001400098084001400112100002400126245014800150250003400298260006300332300000600395650001800401700001700419700001300436520110500449INLIS00000000001894020240905105052  a0010-0924000019ta240905                |          | |    aARTVET261  aARTVET2610 aBAMBANG NGAJI UTOMO1 aINVENTARISASI BAKTERIPADA KASUS INFEKSI KANTONG KUNING TELURANAK-ANAKAYAM RAS YANGDIPERIKSA DI BALAIPENELITIAN VETERINER /cBAMBANG NGAJI UTOMO  aVol. XXII No. 40, Semester II  aBalai Penelitian Veteriner, Bogor :bPenyakit Hewan,c1990  a4 4aINVENTARISASI0 aSRI POERNOMO0 aISKANDAR  aNgaji Utomo Bambang, Sri Poernomo and Iskandar, 1990. Bacterial inventory on cases of chicken Yolk-sac infection examined at
Research Institute for Veterinary Science. Penyakit Hewan 22 (40): 102-105. Avariety of bacteria causing infected yolk-sac of chickens was studied. Eighty one-day old chickens showing abnormal placenta
and 15 healthy chickens as control were examined bacteriologically as well as 12 five-day old chickens with out control.
Following bacterial examination a variety of bacteria were isolated from the infected yolk-sac of chickens. The examinations were
conducted on 60 day old chickens and 12 chickens 5 days of age. Fifteen healths day old chickens were used as controls. The yolk sacmaterial wascultivated directly into solid andliquid media. Theorganisms recoveredwere identified as Escherichia coli, Proteusmirabilis,Pseudomonas sp., Enterobacter sp., Alcaligenes sp., Citrobacter sp., Klebsiella sp., Staphylococcus sp., Streptococcus sp., Micrococcussp. and Bacillus sp. No bacteria were isolated from the control chickens.
Key words: Yolk-sac, chickens, bacteria.