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All Journal Media Veteriner Buletin Udayana Mengabdi Jurnal Veteriner Indonesia Medicus Veterinus Jurnal Riset Veteriner Indonesia (Journal of The Indonesian Veterinary Research) Jurnal Veteriner Nusantara Journal of Veterinary and Animal Sciences Buletin Veteriner Udayana
I Gusti Ketut Suarjana
Laboratorium Bakteriologi Dan Mikologi Fakultas Kedokteran Hewan Universitas Udayana, Jl. PB. Sudirman, Denpasar, Bali
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Medicine & Pharmacology Public Health Veterinary

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Identification and Pathological Finding of Colisepticemia in Broiler Indra, Rusmin; Kardena, I Made; Suarjana, I Gusti Ketut
Jurnal Riset Veteriner Indonesia (Journal of The Indonesian Veterinary Research) VOLUME 6 No.1, JANUARY 2022
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The chicken was sick for 6 days, weak and disrupted growth. Necropsy confirmed that several organs was bleeding and containing fibrin exudation. The results of histopathological examination showed the presence of necrotic encephalitis, hemorrhagic tracheitis, hemorrhagic and necrotic pneumonia, hemorrhagic epicarditis and myocarditis, hemorrhagic enteritis, hemorrhagic and necrotic hepatitis, also hemorrhagic and necrotic glomerulonephritis. Microbiological examination confirmed the discovery of Eschericia coli bacterial agents that can hemolyze blood in the heart, lungs, and intestines. Parasitological examination confirmed that no parasitic agent was involved in this case. From this case study, it can be concluded that the single agent that causes pathological changes was found in the form of pathogenic E. coli bacteria (colisepticemia) which was exacerbated by unfavorable farming conditions. Keywords: Escherichia coli, colisepticemia, broiler, pathological findings
CASE OF AVIAN INFLUENZA IN BROILER CHICKEN AT JATILUWIH VILLAGE Alya Nita Shena Gayanti; I Gusti Ngurah Kade Mahardika; Ida Bagus Oka Winaya; I Gusti Ketut Suarjana; Ida Ayu Pasti Apsari
Buletin Veteriner Udayana Bul. Vet. Udayana. April 2024 Vol. 16 No. 2
Publisher : Fakultas Kedokteran Hewan Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/bulvet.2024.v16.i02.p07

Abstract

Avian Influenza (AI) is still endemic in Bali. This disease is very dangerous and deadly, is zoonotic in birds and humans and causes high economic losses. AI disease in poultry is caused by the Influenza virus type A. The aim of the examination is to identify the agent that caused the death of the chicken in the case to determine a definite diagnosis. The case chicken sample was a 29 day old broiler chicken from a farm in Jatiluwih Village, Tabanan Regency, Bali. Clinical symptoms of chickens include: weak chickens, shaking, shortness of breath, no appetite for eating or drinking, dull feathers, pale bluish combs, runny discharge from the beak, and white-brown watery feces. Chicken death occurred 2 days after clinical symptoms appeared. After the chicken dies, a necropsy is carried out and the samples are examined in the histopathology, virology, bacteriology and parasitology laboratories to determine the agent that caused the death. Histopathological examination showed that all organs had lesions. The results of the HA/HI test showed that the chicken was a positive case of being infected with the Avian Influenza virus. Bacterial infection testing in the media test, selective test, primary test, secondary test and confectionery test identified the presence of Staphylococcus sp bacteria. in the liver and lungs. The results of fecal examination during parasite examination using native and concentration methods did not reveal any worm eggs or protozoa. It was concluded that the case chicken was infected with Avian Influenza with secondary bacterial infection, namely Staphylococcus sp. It is recommended that breeders improve biosecurity and carry out routine and appropriate vaccinations to prevent Avian Influenza disease.
SENSITIVITY OF ESCHERICHIA COLI BACTERIA AGAINST ANTIBIOTIC TRIMETHOPRIM-SULFAMETHOXAZOLE, KANAMYSIN, AND ENROFLOXACIN ON LAYER CHICKEN FROM CHICKEN FARM IN PENEBEL, TABANAN, BALI Ashley; I Nengah Kerta Besung; I Gusti Ketut Suarjana
Buletin Veteriner Udayana Bul. Vet. Udayana. April 2024 Vol. 16 No. 2
Publisher : Fakultas Kedokteran Hewan Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/bulvet.2024.v16.i02.p08

Abstract

The use of antibiotics is still the best option to treat poultry diseases among chicken farmers. This study aims to determine the sensitivity of E. coli bacteria to the antibiotics trimethoprim-sulfamethoxazole, kanamycin, and enrofloxacin in laying hens in Penebel District, Tabanan Regency, of various ages. This study used a completely randomized design (CRD) by comparing the inhibition zones formed in the germ sensitivity test of each treatment. There were three treatments, namely germ isolates from laying hens aged 1 week, 30 weeks and over 40 weeks. Each treatment used 12 samples. The results of the sensitivity test using the Kirby-Bauer method of 36 E. coli isolates showed that the sensitivity to trimethoprim-sulfamethoxazole and kanamycin at all ages was 100%, while to enrofloxacin, the sensitivity of 1 week old chickens was 100%, 30 weeks old was 50%, and aged over 40 weeks is 83% (17% intermediate). There was a significant difference between the sensitivity of E. coli to trimethoprim-sulfametazole and enrofloxacin in 1 week and 30 week old chickens, while the sensitivity to kanamycin was not significantly different. Treatment of colibacilosis in laying hens can still be given kanamycin and trimethoprim-sulfamethoxazole, the antibiotic enrofloxacin cannot be given to laying hens aged 30 weeksin Penebel District. It is necessary to carry out regular sensitivity tests as a basis for treating disease cases, followed by research on the link between resistance genes to several antibiotics. 
CHARACTERISTICS OF PH AND NUMBER OF MICROBES IN THE RETICULUM, OMASUM AND ABOMASUM OF BALI CATTLE I Gusti Ketut Suarjana; I Ketut Tono Pasek Gelgel; I Nengah Kerta Besung; Hapsari Mahatmi; Putu Henrywaesa Sudipa
Buletin Veteriner Udayana Bul. Vet. Udayana. February 2024 Vol. 16 No. 1
Publisher : Fakultas Kedokteran Hewan Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/bvu.v16i1.111

Abstract

Bali cattle are native Indonesian cattle germplasm which must be preserved and cultivated. The research aims to determine the pH characteristics and number of microbes in the reticulum, omasum and abomasum of Bali cattle. The research sample was the stomach contents of the reticulum, omasum and abomasum of clinically healthy Bali cattle slaughtered at the slaughterhouse, Pesanggaran, Denpasar. Samples were taken aseptically from 30 cows. This research is observational with a cross-sectional study design. The number of bacterial and fungal colony populations was calculated using the pour plate method on nutrient agar plates and Sabouraud dextrose agar plates, respectively. The population of Enterobacteriaceae bacterial colonies was counted using the scatter method on Eosin Methylen Blue agar plates. pH measurements in cow stomach contents were carried out using pH indicator strips. The research data were analyzed descriptively. The results showed that the average pH of the reticulum, omasum and abomasum were 7,66; 6,50 and 5,26. The average total bacteria or ALTB in the reticulum, omasum and abomasum were 18,53 x 106 CFU/gr, 21,43 x 106 CFU/gr and 26,73 x 106 CFU/gr; the fungal population was 7,10 x 105 CFU/gr, 4,56 x 105 CFU/gr and 2,83 x 105 CFU/gr; Coliform counts were 60,03 x 103 CFU/gr, 57,70 x 103 CFU/gr and 61,60 x 103 CFU/gr; the number of non-Coliforms was 49,00 x 103 CFU/gr, 45,53 x 103 CFU/gr and 41,46 x 103 CFU/gr, the number of E.coli respectively 20,70 x 103 CFU/gr, 22, 83 x 103 CFU/gr and 22,86 x 103 CFU/gr.
CASE OF STREPTOCOCCOSIS IN PIGLET AT TUA VILLAGE, MARGA, TABANAN, BALI Ni Kadek Puspa Dewi; I Gusti Ketut Suarjana; Ida Bagus Kade Suardana; Ida Bagus Oka Winaya; Ida Ayu Pasti Apsari
Buletin Veteriner Udayana Bul. Vet. Udayana. June 2025 Vol. 17 No. 3
Publisher : Fakultas Kedokteran Hewan Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/bulvet.2025.v17.i03.p53

Abstract

Streptococcosis is a disease caused by streptococcal bacterial infection and can cause outbreaks in pig farms. This case study aims to discuss the pathological anatomy, histopathology, and laboratory test results to obtain a definitive diagnosis of the disease that attacks 7-day-old pigs from Tua Village, Marga, Tabanan. Data collection in the form of clinical signs, anamnesis, epidemiology, and laboratory tests to be further analyzed descriptively qualitatively. Clinical signs of pig cases are thin, weak, nervous symptoms (tremors, loss of balance, lying sideways, and cycling or rowing movements), white diarrhea, fatigue, and swelling of the leg joints. Epidemiological data show a morbidity of 8.13%, mortality of 3.25%, and a case fatality rate of 40%. Pathological anatomy examination was carried out through a necropsy procedure and found congestion of the brain, heart, and intestines, hemorrhage in the lungs, kidneys, stomach, and intestines, the spleen changed color to dark and swollen and the liver was swollen and uneven in color. Histopathological examination began with the preparation of histological preparations using Hematoxylin-Eosin (HE) staining, measurements were made by observing changes descriptively using a binocular light microscope with a magnification of 100x-1000x. The results of histopathological examination showed that the brain had meningoencephalitis hemorrhagica, lungs bronchopneumonia hemorrhagica, heart myocarditis, liver hepatitis, spleen splenitis hemorrhagica, kidney glomerulonephritis hemorrhagica et necrotican, stomach Gastritis hemorrhagica et necrotican, and intestine enteritis hemorrhagica et necrotican. Examination of histopathological preparations found inflammation dominated by neutrophil cells and macrophage cells. Bacteriological examination confirmed the presence of Streptococcus sp. bacterial infection in the brain, lungs, liver, and heart organs. Based on anamnesis, clinical signs, epidemiology, examination of anatomical and histopathological pathological changes, and bacteriological examination, it can be concluded that the pigs were infected with Streptococcosis due to Streptococcus suis bacteria. In pig farming management, optimal biosecurity and sanitation must be implemented to minimize the risk of contamination by disease agents.
COLISEPTICEMIA IN BROILER CHICKEN FARM IN BATUNGSEL VILLAGE, PUPUAN DISTRICT, TABANAN DISTRICT, BALI Anak Agung Sagung Massita Jenika Putri; I Gusti Ketut Suarjana; Ida Bagus Made Oka; I Ketut Berata; Gusti Ayu Yuniati Kencana
Buletin Veteriner Udayana Bul. Vet. Udayana. August 2025 Vol. 17 No. 4
Publisher : Fakultas Kedokteran Hewan Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/bulvet.2025.v17.i04.p34

Abstract

Escherichia coli is the most common bacterial infection found in broiler chicken farms. Escherichia coli infection in poultry is generally systemic and causes bacteremia, so it is called colispticemia. Case reports were conducted to diagnose animals with protocol number 116/N/25 based on anamnesis data, clinical signs, epidemiology, anatomical pathology changes, and histopathological changes and examination in the bacteriology laboratory. 30-day-old white broiler chickens were taken from a farm owned by Mr. Rudi located in Batungsel Village, Pupuan District, Tabanan Regency. The clinical signs observed were that the chickens showed abdominal distension, were weak and did not want to eat, had slow growth compared to other chickens, diarrhea, dirt around the cloaca, shortness of breath and weight loss. After the case chicken died, a necropsy was performed, then organ samples were taken and fixed with 10% Neutral Buffered Formalin (NBF). Pathological examination of the anatomy found a layer of fibrin in the heart, liver and lungs. Tissue samples taken were brain, trachea, lungs, liver, heart, spleen, kidneys and intestines, then histopathological preparations were made with hematoxylin-eosin staining. The results of histopathological examination found infiltration of heterophilic inflammatory cells in the lungs, liver, kidneys and intestines, indicating that the case animals were infected with bacteria. Examination of samples in the bacteriology and mycology laboratories obtained positive results for Escherichia coli bacteria in heart, lung, liver and intestine specimens. It can be concluded that the case chickens were infected by E. coli bacteria or were attacked by Colisepticemia. There needs to be increased sanitation and strict biosecurity in chicken farms
SEVERE TOXOCARA CATI INFECTION IN A DOMESTIC CAT: A CASE STUDY WITH PATHOLOGICAL AND HISTOPATHOLOGICAL FINDINGS IN SAYAN VILLAGE, UBUD Elviana, Dina; Suratma, Nyoman Adi; Berata, I Ketut; Suarjana, I Gusti Ketut; Suardana, Ida Bagus Kade
Buletin Veteriner Udayana Bul. Vet. Udayana. February 2026 Vol. 18 No. 1
Publisher : Fakultas Kedokteran Hewan Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/bulvet.2026.v18.i01.p28

Abstract

Toxocariasis is a disease caused by worms of the genus Toxocara. In chronic cases, toxocariasis can lead to mortality due to damage to vital organs, including the lungs, liver, and intestines. The objective of this case study is a 2-month-old cat from Sayan Village, Ubud Subdistrict, Gianyar Regency, Bali, Indonesia. This case study aims to establish a diagnosis based on anamnesis, clinical signs, epidemiological data, anatomical pathology, histopathology, and laboratory examination results. Clinical symptoms observed in the case cat included emaciation, an enlarged abdomen, eye discharge, pale gums, rough fur, and liquid, foamy feces. Anatomical pathology examination revealed the presence of Toxocara cati worms, with a total count of 43 worms distributed throughout the small intestine, stomach, esophagus, trachea, and lungs. Fecal examination using qualitative methods detected Toxocara cati worm eggs. Histopathological observations indicated eosinophilic inflammatory cell infiltration in the small intestine and trachea. It was concluded that the case cat was diagnosed with toxocariasis. It was concluded that the cat was diagnosed with toxocariasis, which contributed to the severity of clinical symptoms and potentially mortality, emphasizing the need for effective preventive and biosecurity measures.
Studi Kasus: Koksidiosis Bentuk Intestinal dan Sekum Disertai Dugaan Infeksi Virus pada Ayam Broiler di Kecamatan Ungasan, Bali Putri, Rindar Mentari Nusanti; Putra, I Putu Cahyadi; Kardena, I Made; Suarjana, I Gusti Ketut; Astawa, I Nyoman Mantik
Jurnal Veteriner Nusantara Vol 9 No 1 (2026): Februari, 2026
Publisher : Program Studi Kedokteran Hewan, Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/jvn.v9i1.27275

Abstract

Coccidiosis, Avian Influenza (AI), and Newcastle Disease (ND) are important diseases in broiler chickens that can cause economic losses. This case report aimed to identify the causative agents and describe the pathological changes in broiler chickens suspected of having coccidiosis accompanied by viral infection in the Ungasan District of Bali. The broiler chickens were approximately 25 days old and had bloody diarrhea. The examinations included anamnesis, epidemiological investigation, anatomical pathology, histopathology, parasitology, and bacteriology. Based on epidemiological data, morbidity was 0.7%, mortality was 0.2%, and the case fatality rate was 30% of the total population of 14,000 birds. Anatomical pathology and histopathological examinations revealed changes in almost all organs, indicating infection with the AI and/or ND virus. Necrosis, hemorrhage, inflammatory cell infiltration, and clusters of Eimeria spp. at various life stages were observed in the intestines and caecum. Qualitative and McMaster fecal examinations revealed the presence of Eimeria spp. oocysts at a rate of 132,700 oocysts/gram. Bacteriological examination identified the growth of Escherichia coli, but without any indication of secondary infection from bacteria because Escherichia coli is the normal flora of the intestine. Based on these examination results, it can be concluded that the chickens were infected with intestinal and cecal coccidiosis caused by Eimeria spp., accompanied by suspected ND and/or AI.
Co-Authors Agnes Endang Tri H Ahmad Nuzuludin Kadri, Ahmad Nuzuludin Aida Lousie Tenden Rompis Alya Nita Shena Gayanti Anak Agung Gede Agung Ananta Kusuma Anak Agung Sagung Massita Jenika Putri ANITA KAROLINA SIMAMORA Ashley BERATA BERATA Bianca Violanda Junus Bolla, Nelci Elizabeth chyntia nirmalasari mantrawan Daniel Opristanta Barus Danu Suprayogo Dwi Arso Purba Dwi Astalia Zuanita Eggy Hidta Lusandika Elviana, Dina Fanayoni, Aditana Genta Dhamara Adam Putranto Gusti Ayu Yuniati Kencana Hapsari Mahatmi HERTATI ANRIANI LUBIS I Gede Eka Chandrawan I Gusti Ngurah Kade Mahardika I Gusti Ngurah Kade Mahardika I Kadek Juli Handriana I Ketut Berata I Ketut Berata I Ketut Suada I Ketut Tono Pasek Gelgel I Made Adhi Kusuma Dwipayana I Made Kardena I Made Merdana I Made Sukada I Nengah Kerta Besung I Nengah Kerta Besung I Nengah Kerta Besung I NYOMAN ADI SURATMA I NYOMAN MANTIK ASTAWA I Putu Cahyadi Putra, I Putu Cahyadi I Putu Yasmanta Primarta Putra I Wayan Aris Suharsa I Wayan Suarnata I.A.P. Apsari IB. KADE SUARDANA Ida Ayu Pasti Apsari Ida Ayu Pasti Apsari Ida Bagus Kade Suardana Ida Bagus Kade Suardana Ida Bagus Made Oka Ida Bagus Oka Winaya Ike Siwi Widyaningtyas Indra Manik Pradipta Indra, Rusmin Iwan Harjono Utama JERRY BIROWO K. Tono P.G Kadek Andre Sulaksana Kadek Satria Adi Marhendra KARTINI HUTASOIT Ketut Tono Pasek Gelgel Leny Beatry Veronica Luh Made Sudimartini M Hasan Isnan Made Deddy Dharmana Putra Made Tubagus Dharmajaya Magfirah Syahruddin Makselina Ayu Dwi Purwanti MARGARET ANASTASIA MANULLANG Marlissa, Faccettarial Cylon Marchel MAS DJOKO RUDYANTO Matilda Krisnawati Mochammad Imron Awalludin MUHAMMAD RHIYAN SAKTI N.K. Suwi N.N. Suryani Nazara, Agustina Lesmauli Ni Kadek Meita Swandewi Ni Kadek Puspa Dewi Ni Ketut Suwiti Ni Putu Nicky Mirahsanti Nyoman Anandiya Ramaditya P. Suastika Paramita, Putu Wahyuni Pratanto, Aditya Putri Udayani Putri, Rindar Mentari Nusanti Putu Henrywaesa Sudipa Putu Henrywaesa Sudipa Ratna Pandu Finata Septian Naria Rusmaniarno Sousa, Rojelio Dias Trindade Tania Ria Gunawan Trisno, Komang Voni Cornelia Br Sembiring Wati, Ni Komang Desi Yena Widya Asmara Yuniarti Sasmita Yusmaniar Galuh Adi Luhung