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I Putu Cahyadi Putra, I Putu Cahyadi
Fakultas Kedokteran Hewan, Universitas Udayana
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Environmental Science Immunology & microbiology Medicine & Pharmacology Public Health Veterinary Other

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CASE REPORT: COINFECTION OF TRICHURIS SUIS AND STREPTOCOCCUS SP. IN A LANDRACE-YORKSHIRE PIGLET FROM BUAHAN VILLAGE, PAYANGAN, GIANYAR Viviana Anyaputri Tanurahardja; I Ketut Berata; I Nengah Kerta Besung; I Putu Cahyadi Putra; I Gusti Ngurah Kade Mahardika
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.p37

Abstract

Pig farming in Bali plays a strategic role in meeting both animal protein demands and cultural needs, yet remains highly susceptible to viral, bacterial, and parasitic diseases. This case report documents a severe coinfection of Trichuris suis (trichuriasis) and systemic beta-hemolytic Streptococcus sp. (presumably S. suis) in a 3.5-month-old weanling piglet from Gianyar. Diagnostic methods included anamnesis, epidemiological investigation, gross pathology, histopathology, bacterial culture/identification, and parasitic examination. The piglet exhibited stunted growth, cachexia, cough, and chronic brown diarrhea. Gross and histopathological findings revealed meningoencephalitis, necrotic-edematous bronchopneumonia, and edematous-degenerative typhlitis. Bacterial isolation identified beta-hemolytic Streptococcus sp. in the brain and lungs, though neurological signs were absent. Necropsy uncovered ~4,700 T. suis in the cecum and colon, with Entamoeba sp. cysts detected in feces. This case highlights: (1) the clinicopathological manifestations of concurrent T. suis and Streptococcus sp. infections, and (2) the critical need for early detection and comprehensive diagnostics in field cases. To mitigate such coinfections, we recommend enhanced biosecurity, routine antiparasitic treatment, and periodic bacteriological surveillance.
FATAL CANINE PARVOVIRUS INFECTION WITH SECONDARY BACTERIAL AND PARASITIC COMPLICATIONS IN A PUPPY: A CASE REPORT Egrina Sonta Bako; I Putu Cahyadi Putra; Ida Bagus Oka Winaya; I Gusti Ngurah Kade Mahardika; I Nengah Kerta Besung
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.p13

Abstract

Canine parvovirus (CPV) is a highly infectious viral disease that poses a significant threat to puppies, often resulting in fatality if not diagnosed and treated promptly. This report investigates the cause of death of a nearly two-month-old puppy in Denpasar City. Diagnosis was confirmed through a comprehensive approach, including a thorough history, clinical examination, hematology, anatomical pathology, histopathology with hematoxylin and eosin (H&E) staining, polymerase chain reaction (PCR) for CPV, bacteriology, and parasitology examinations. Anamnesis revealed that the two puppies succumbed after exhibiting symptoms such as anorexia, vomiting, bloody diarrhea, dehydration, and cachexia, which were also observed in this puppy. Necropsy findings indicated multiorgan lesions, including hemorrhage, congestion, hyperemia, uneven organ discoloration, swelling of the heart and spleen, and worm infestation in the stomach. Histopathological analysis revealed multi-organ inflammation characterized by hemorrhage, necrosis, edema, and inflammatory cell infiltration in all organs, with lesions typical of CPV, including lymphoid follicular necrosis and intestinal Lieberkühn crypts in the intestine. PCR confirmed CPV infection, as evidenced by a 900 bp DNA band. Bacteriological examination revealed the presence of Escherichia coli and Streptococcus spp. in the intestine and Staphylococcus spp. in the spleen. Parasitological examination revealed the presence of adult worms, larvae, and eggs of Toxocara canis in the fecal sample. Based on these findings, the death of the puppy was attributed to CPV infection compounded by secondary bacterial and parasitic infections. Further testing is recommended to ascertain potential co-infection with Canine Distemper Virus.
COINFECTION OF NEWCASTLE DISEASE AND CAPILLARIA SPP. IN LOCAL CHICKENS IN KERTA VILLAGE, PAYANGAN DISTRICT, GIANYAR REGENCY, BALI Ketut Nanda Maharanthi; Ida Bagus Kade Suardana; I Putu Cahyadi Putra; Ni Wayan Helpina Widyasanti; Ida Bagus Oka Winaya
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.p28

Abstract

Newcastle Disease (ND) is a viral infection that significantly affects poultry and leads to substantial economic losses in the poultry industry. This case study aimed to achieve a definitive diagnosis of the disease in a seven-month-old free-range chicken owned by a resident of Kerta Village, Payangan Subdistrict, Gianyar Regency, Bali. The methodologies employed encompassed the collection of clinical and epidemiological data through history taking, anatomical pathology examination, histopathology, bacteriology, parasitology, and virus isolation via culture of embryonated chicken eggs, which were subsequently confirmed using hemagglutination (HA) and hemagglutination inhibition (HI) tests. Tracing and history-taking revealed that the chicken rearing system was semi-intensive. The chicken population comprised 15 chickens, of which 12 exhibited illness and 10 succumbed within eight days. The clinical signs observed included lethargy, pale bluish drooping wattle and cockscomb, periorbital edema, respiratory distress, reduced appetite and water intake, greenish diarrhea, torticollis, and limp drooping wings. Epidemiological data indicate a morbidity rate of 80%, a mortality rate of 67%, and a case fatality rate of 83%. Anatomical pathological examination through necropsy revealed multiorgan hemorrhage, pulmonary hemorrhage, petechiae in the proventriculus, and intestinal hemorrhage. Organ samples were collected for histopathological analysis with hematoxylin-eosin (HE) staining, which revealed inflammation in various organs, predominantly characterized by lymphocyte infiltration. The HA test demonstrated a high viral titer (29), and the HI test confirmed a positive ND virus infection. Bacteriological examination revealed Escherichia coli in the small intestine and cecum as part of the normal flora. Fecal examination revealed 100 eggs per gram of Capillaria spp. Based on these results, the chickens were diagnosed with a coinfection of Newcastle Disease virus and Capillaria spp. The implementation of routine vaccination programs, improved management practices, and control of poultry movement is recommended as disease prevention measures.
FATAL CO-INFECTION OF CANINE PARVOVIRUS AND TOXOCARA CANIS IN A PUPPY: A CASE REPORT FROM DENPASAR, BALI Regita Laras Saputri; Ida Bagus Kade Suardana; I Putu Cahyadi Putra; I Made Kardena; Ni Wayan Helpina Widyasanti
Buletin Veteriner Udayana Bul. Vet. Udayana. October 2025 Vol. 17 No. 5
Publisher : Fakultas Kedokteran Hewan Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/bulvet.2025.v17.i05.p15

Abstract

This case report documents a fatal co-infection of Canine Parvovirus type 2 (CPV-2) and the nematode Toxocara canis in a 2.5-month-old, unvaccinated female local puppy in Denpasar, Bali. The animal presented with acute clinical signs including anorexia, vomiting, hemorrhagic diarrhea, and severe dehydration, leading to death. A comprehensive post-mortem examination was conducted, including necropsy, histopathology, Polymerase Chain Reaction (PCR), bacteriology, and parasitology. PCR analysis confirmed a CPV-2 infection, demonstrated by a 900 bp DNA amplicon. Macroscopic findings included multi-organ hemorrhages, cardiac enlargement with a blunt apex, and intestinal necrosis. Histopathology revealed widespread lymphocytic inflammation. Concurrently, parasitological examination identified a significant T. canis infection, evidenced by six adult worms in the large intestine and numerous eggs and larvae in the feces. While Escherichia coli was isolated from the intestines, no other systemic bacterial pathogens were detected. It was concluded that the synergistic pathogenicity of the CPV-2 and T. canis co-infection was the cause of death, with the parvovirus causing severe intestinal damage and immunosuppression, which was exacerbated by the parasitic burden. This case highlights the importance of integrated diagnostic approaches and underscores the critical need for regular deworming and routine vaccination in preventing such fatal disease combinations in puppies.
CASE OF MULTIPATHOGEN-INDUCED MORTALITY IN AN OPEN-HOUSE BROILER FARM IN DEMULIH VILLAGE, BANGLI Chrissyl Fiorell; Ni Wayan Helpina Widyasanti; I Ketut Berata; I Putu Cahyadi Putra; Tjokorda Sari Nindhia
Buletin Veteriner Udayana Bul. Vet. Udayana. December 2025 Vol. 17 No. 6
Publisher : Fakultas Kedokteran Hewan Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/bulvet.2025.v17.i06.p20

Abstract

The health and performance of commercial chicken are greatly influenced by poultry house environmental management. The application of open house system with poor management may act as a predisposing factor for multipathogen colonization in poultry. This condition can lead to multiple diseases due to concurrent infections involving fungal, bacterial, and protozoal agents. This study reports a case of multipathogen-related mortality in 29-day-old broiler chicken from an open house farm in Demulih Village, Bangli Regency, Bali. Diagnostic methods include anamnesis, physical examination, epidemiological data collection, gross pathology, histopathology, bacteriology, mycology, and parasitology. Gross pathological examination revealed yellowish-white nodules in the body cavity, lungs, and kidneys; surface damage of the liver and kidneys; and hemorrhage in the cecum. Histopathology showed septate hyphae and conidiophores in the lungs as well as schizonts in the cecum, indicating fungal and protozoal infection. Mycological examination using Sabouraud Dextrose Agar and subsequent macroscopic and microscopic identification confirmed the presence of Aspergillus flavus, Aspergillus fumigatus, and Mucor spp. Bacteriological examination identified colonies of Staphylococcus sp., Acinetobacter sp., and Klebsiella sp. Parasitological analysis of fecal samples revealed Eimeria spp. oocysts at a concentration of 34,450 oocysts/gram, classified as moderate infection. The case was diagnosed as multiple disease conditions caused by concurrent multipathogen infections of fungal, bacterial, and protozoal origin. Improvements in housing management, sanitation, feed storage, strict biosecurity, and housing system considerations are required to minimize the introduction of disease-causing pathogens.
Prevalence of Gastrointestinal Protozoa Infection in Piglets on Pig Breeding Farms in Gianyar Regency, Bali. Eukaristia Junitha; I Wayan Sudira; Nyoman Adi Suratma; I Putu Cahyadi Putra
Advances in Tropical Biodiversity and Environmental Sciences Vol. 9 No. 3 (2025): October 2025
Publisher : Institute for Research and Community Services Udayana University (LP2M Universitas Udayana)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/ATBES.2025.v09.i03.p05

Abstract

Gastrointestinal protozoan infections, including those caused by Eimeria sp., Cystoisospora sp., Entamoeba sp., and Balantidium sp., can result in significant livestock losses. This study aimed to ascertain the prevalence of gastrointestinal protozoan infections and compare the prevalence rates between suckling and weaned piglets on pig breeding farms in Gianyar Regency. A total of 216 piglet fecal samples were analyzed, comprising 87 samples from the suckling phase and 129 from the weaned phase. Gastrointestinal protozoa were identified through morphological examination, utilizing the sedimentation method for Balantidium sp. and Entamoeba sp., and the saturated salt flotation method for Coccidia examination. Differences in the prevalence of protozoan infections between suckling and weaned piglets were assessed using the Chi-Square Test with IBM SPSS Statistics. The findings indicated that the prevalence of gastrointestinal protozoan infections in piglets on breeding farms in the Gianyar Regency was 51.85% (112/216). The identified protozoa included Balantidium sp. (37.96%), Entamoeba sp. (25.92%), and Coccidia (7.87%). The prevalence of gastrointestinal protozoan infections in suckling piglets was 35.63% (31/87), whereas that in weaned piglets was 62.79% (81/129), demonstrating a significant difference (p=0,0001). There were diverse infections, with some piglets harboring more than one protozoan type. The prevalence rate of gastrointestinal protozoan infections was deemed high, with weaned piglets exhibiting greater susceptibility to infection than suckling piglets.
Pengobatan otitis eksterna yang disebabkan oleh Malassezia spp. pada anjing lokal: pendekatan antijamur non-sistemik Rasmana, I Komang Juanda; Aryana, Carrisa Saraswati Putri; Perayadhista, Ni Made Devityasih; Widyasanti, Ni Wayan Helpina; Putra, I Putu Cahyadi
ARSHI Veterinary Letters Vol. 9 No. 4 (2025): ARSHI Veterinary Letters - November 2025
Publisher : School of Veterinary Medicine and Biomedical Sciences, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/avl.9.4.97-98

Abstract

Malassezia spp. are part of the commensal microbiota on the skin and ears of dogs; however, under certain conditions, they can overgrow, triggering otitis externa. Systemic therapy is effective; however, its use is limited by its potential for resistance and hepatotoxic effects. This article reports a case of dextra otitis externa caused by Malassezia spp. in a 1.5-year-old male dog. On initial examination, the dog showed swelling of the right ear flap, scratching wounds, yellowish exudate, narrowing of the ear canal, as well as alopecia, erythema, and nodules on the ear flap and neck. The diagnosis was confirmed by clinical examination and cytology, which revealed the presence of Malassezia spp. The treatment consisted of ear cleaning with a 3% chlorhexidine solution (topical, q12h for 14 days), bathing with a 2% miconazole nitrate-medicated shampoo, and additional therapy with antibiotics, prednisone, chlorpheniramine maleate, and supplements. Evaluation at the 7-day post-treatment follow-up showed a marked clinical improvement. At the 25-day post-treatment follow-up, the patient recovered without recurrence. This case report confirms that topical antifungal therapy with supportive therapy is effective for the treatment of Malassezia spp. in dogs.
Co-Authors Antaprapta, I Gusti Ngurah Agung Aryana, Carrisa Saraswati Putri Bunga Amelia Priatna Chrissyl Fiorell Convienna Dewa , Andreas Topan Dwi Kristanto Egrina Sonta Bako Eukaristia Junitha Fadli Ma’mun Pancar Fauzia, Sri Hapsari Mahatmi Hapsari Mahatmi Hapsari Mahatmi Hastari Wuryastuti Hastari Wuryastuty I Gusti Made Krisna Erawan I Gusti Ngurah Kade Mahardika I Ketut Berata I Ketut Berata I Komang Pridayasa I Made Kardena I Made Kardena I Made Kardena I Nengah Kerta Besung I Nyoman Mantik Astawa I Nyoman Mantik Astawa I Wayan Batan I Wayan Gorda I Wayan Gorda I Wayan Sudira Ida Ayu Pasti Apsari Ida Bagus Kade Suardana Ida Bagus Kade Suardana Ida Bagus Komang Ardana Ida Bagus Oka Winaya Ida Bagus Oka Winaya Ketut Nanda Maharanthi Kezia Joana Limarta Korbinianus Feribertus Rinca Maria Tarsisia Luju Meida, Yeocelin Meida Mochammad Imron Awalludin Nainggolan, Willy Morris Ni Ketut Suwiti Ni Made Devityasih Perayadhista, Ni Made Devityasih Ni Wayan Helpina Widyasanti Ni Wayan Helpina Widyasanti Ni Wayan Helpina Widyasanti Nugraha , Putri Nyoman Adi Suratma Nyoman Adi Suratma Nyoman Adi Suratma Prasanjaya, Putu Nara R. Wasito Raden Wasito Rasmana, I Komang Juanda Regita Laras Saputri Restu Libriani Rina Isnawati, Rina Rinca , Korbinianus Feribertus Rizqan Mubdi Roselin Gultom Sari, Ni Komang Wahyu Centika Sewoyo, Palagan Senopati Sibang, I Nengah Anom Adi Nugraha Susiani, Rina Dwi Tjokorda Sari Nindhia Viviana Anyaputri Tanurahardja Wayan Gede Ananta Brahmananda Widyasanti , Ni Wayan Helpina Widyasanti, Ni Wayan Helpina Yamin Yaddi Yeyen Agustianingsi Yohana Maria Febrizki Bollyn