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All Journal Buletin Veteriner Udayana
Ida Bagus Kade Suardana
Laboratorium Virologi Veteriner, Fakultas Kedokteran Hewan Universitas Udayana, Jl. PB. Sudirman, Sanglah, Denpasar, Bali; Indonesia, 80234
Immunology & microbiology Public Health Veterinary

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THE EFFECT OF NATURAL GUARD IN DRINKING WATER ON NEWCASTLE DISEASE ANTIBODY TITER IN LAYING HENS Misfah Maulidiyah; Ida Bagus Komang Ardana; Ida Bagus Kade Suardana
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.p17

Abstract

Natural Guard is a combination of pine oil, lavender oil and eucalyptus oil which can be used as an immunomodulator. The aim of this study was to determine the effect of Natural Guard administration through drinking water on the antibody titer against Newcastle Disease (ND) virus. This study used 24 Hy-line Brown laying hens randomly assigned to four treatment groups. Natural Guard was mixed into the drinking water at different concentrations: 0 ml/L (control), 0.1 ml/L (P1), 0.2 ml/L (P2), and 0.3 ml/L (P3), and administered for 30 days. ND antibody titers were measured using the Hemagglutination Inhibition (HI) test. The data obtained were analyzed using analysis of variance. The results showed that administration of Natural Guard at doses of 0.1 ml/L, 0.2 ml/L, and 0.3 ml/L did not significantly (P > 0.05) increase ND virus antibody titers in laying hens.
EFFECT OF PHYLLANTHUS NIRURI LEAF EXTRACT AT DIFFERENT DOSES ON THE ANTIBODY TITER RESPONSE TO NEWCASTLE DISEASE IN BROILER I Putu Aditya Prawira; Ida Bagus Kade Suardana; I Made Kardena; Ni Luh Eka Setiasih; Tjokorda Sari Nindhia; Anak Agung Sagung Kendran
Buletin Veteriner Udayana Bul. Vet. Udayana. April 2025 Vol. 17 No. 2
Publisher : Fakultas Kedokteran Hewan Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/bulvet.2025.v17.i02.p25

Abstract

Newcastle Disease (ND), also known as tetelo, is one of the major poultry diseases that causes significant economic losses in the poultry industry due to decreased productivity and increased mortality rates in broiler chickens. This study aimed to evaluate the effect of Phyllanthus niruri Linn (green meniran) extract at different oral doses on ND antibody titers in broiler chickens. This study employed an experimental method with a completely randomized design, involving 30 broiler chickens divided into three treatment groups: a control group (without extract), a group receiving Phyllanthus niruri extract at a dose of 7 mg/kgW/day, and a group receiving 9 mg/kgW/day for four weeks. ND antibody titers were analyzed using the Hemagglutination Inhibition (HI) test. The results showed that the administration of Phyllanthus niruri extract significantly increased ND antibody titers, with the highest immune response observed in the group receiving 9 mg/kg W/day compared to the 7 mg/kg W/day and control groups. The increase in antibody titers was noticeable from the first week post-vaccination and peaked in the second week. These findings suggest that Phyllanthus niruri extract has potential as a natural immunostimulant to enhance immune responses against ND in broiler chickens. Further studies are needed to evaluate higher doses and the long-term effects of Phyllanthus niruri extract administration on the health and productivity of broiler chickens.
TOTAL AND DIFFERENTIAL LEUKOCYTES OF LAYING CHICKENS AFTER NEWCASTLE DISEASE AND INFECTIOUS BRONCHITIS VACCINATION Iqbal Bayu Samudra; Anak Agung Sagung Kendran; Gusti Ayu Yuniati Kencana; I Made Damriyasa; Ida Bagus Kade Suardana; I Gede Soma
Buletin Veteriner Udayana Bul. Vet. Udayana. August 2024 Vol. 16 No. 4
Publisher : Fakultas Kedokteran Hewan Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/bulvet.2024.v16.i04.p41

Abstract

Research on the total and differential leukocytes of post-vaccination laying hens which was carried out on commercial farms in Tabanan Regency, Bali aims to determine and study the effect of combination vaccines Newcastle Disease LaSota strains and Infectious Bronchitis on the total number and types of leukocytes in the blood. A total of 40 laying hens aged 30 weeks were taken using purposive sampling for the research sample. Chicken blood samples were taken four times, starting from pre-vaccination to three weeks post-vaccination. The total leukocyte count is checked using a hemocytometer, while the leukocyte differential is checked using a blood smear. Data from total and differential leukocyte examination results were analyzed quantitatively descriptively. The results showed that there was a significant effect (p<0.05) on total leukocytes, heterophils, eosinophils and lymphocytes, and no significant effect (p>0.05) on basophils and monocytes.
ANTIBODI TITER LEVELS IN LOCAL DOGS FOLLOWING RABIES VACCINATION IN PENARUNGAN VILLAGE, MENGWI DISTRICT, BADUNG REGENCY Petra Rahmitha Sava Setyanto; Ida Bagus Kade Suardana; I Nyoman Suartha
Buletin Veteriner Udayana Bul. Vet. Udayana. April 2025 Vol. 17 No. 2
Publisher : Fakultas Kedokteran Hewan Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/bulvet.2025.v17.i02.p06

Abstract

Rabies is caused by a virus from the genus Lyssavirus, which belongs to the Rhabdovirus family. In Badung Regency, 13 cases of rabies in dogs were confirmed in 2015, with 8 positive cases reported in Mengwi District. This study aims to measure the antibody titer against the rabies virus in local dogs that had been vaccinated in Penarungan Village, Mengwi District, Badung Regency, seven months after vaccination. The method used in this study was antibody titer testing through the Enzyme-linked Immunosorbent Assay (ELISA). Samples were selected based on inclusion criteria and were collected from Banjar Blungbang, Banjar Cemenggon, Banjar Guming, Banjar Umopoh, and Banjar Bantas. A total of 16 blood samples from local dogs were collected using the venipuncture technique. The results of the study using the ELISA test showed that 12 samples were seropositive, with an average titer value of 0.9 IU/mL, while 4 samples were seronegative, with an average titer value of 0.4 IU/mL. The percentage of seropositive antibody titers in local dogs in Penarungan Village seven months after rabies vaccination was 75%, while the percentage of seronegative antibody titers was 25%. Therefore, booster rabies vaccinations are necessary for dogs with seronegative antibody titers.
THE EFFECT OF MENIRAN EXTRACT AS AN IMUNOSTIMULATOR ON THE INCREASE OF NEWCASTLE DISEASE ANTIBODY TITER IN BROILERS Muhammad Evan Malik; Ida Bagus Kade Suardana; Samsuri; Ni Luh Eka Setiasih; I Made Kardena; Tjokorda Sari Nindhia
Buletin Veteriner Udayana Bul. Vet. Udayana. April 2025 Vol. 17 No. 2
Publisher : Fakultas Kedokteran Hewan Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/bulvet.2025.v17.i02.p11

Abstract

Meniran is known as an herbal plant with potential as a natural immunostimulator due to its content of flavonoids, saponins, and tannins. These compounds help boost the immune response by stimulating cytokine production, accelerating immune cell activation, and increasing antibody production. Newcastle Disease (ND) is an infectious disease that frequently affects broilers and causes significant economic losses. Vaccination is the primary method for preventing ND; however, its effectiveness can vary depending on the immune response of the chickens. This study aims to evaluate the effect of meniran extract as an immunostimulant on increasing Newcastle Disease antibody titers in booster-vaccinated broilers. This study used a Completely Randomized Design with 30 Lohman MB 202 broilers divided into three treatment groups. The negative control group (K-) received neither vaccination nor meniran extract, the positive control group (K+) received only the ND La Sota booster vaccine, and the treatment group (P) received both the ND La Sota booster vaccine and meniran extract for 14 days before vaccination. Antibody titers were measured using the Hemagglutination Inhibition (HI) test on days 17, 25, and 32. Data were analyzed using ANOVA and regression analysis. The results showed that the administration of meniran extract significantly increased antibody titers (P<0.05), with mean values of 2.7, 4.1, and 6.0 (HI log 2), and an overall mean of 4.27. Regression analysis indicated that the treatment group (P) experienced a higher increase in antibody titers compared to the control groups, with the peak immune response occurring in the third week post-vaccination. The conclusion of this study is that meniran extract can act as a natural immunostimulant that enhances the effectiveness of the ND vaccine in broiler chickens. Therefore, further research with different doses and administration durations is needed to optimize its benefits.
SALMONELLOSIS CASE IN BROILER CHICKENS AT A CLOSED-HOUSE FARM IN DARMASABA VILLAGE, ABIANSEMAL, BADUNG, BALI Dewa Ayu Sinthya Devi; I Gusti Ketut Suarjana; I Made Kardena; Nyoman Adi Suratma; Ida Bagus Kade Suardana
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.p36

Abstract

Salmonellosis caused by Salmonella sp. is a septicemic bacterial disease that commonly occurs in chickens. A 14-day-old broiler chicken from a closed house in Darmasaba Village, Abiansemal Subdistrict, Badung Regency, Bali was found to show general signs and clinical symptoms of conjunctivitis, decreased appetite, feather loss and dullness, stunted growth and greenish-white feces. To confirm the definitive diagnosis, laboratory examination is necessary. In this case study anatomical pathology, hispathological preparations, and bacterial identification were used. The examination results showed Enchepalitis, Pneumonia hemorrhagic, Myocarditis fibrinous, Hepatitis hemorrhagic, Glomerulonephritis hemorrhagic, Proventriculitis necrotican, and Enteritis hemorrhagic. Bacteriology test examination found Salmonella Typhimurium from the heart, lungs, and liver. The case animal was concluded to have Salmonellosis caused by Salmonella Typhimurium bacteria. Salmonellosis control can be done by improving biosecurity and cage sanitation, conducting chicken health management, controlling animal and human traffic, and using antibiotics wisely in accordance with veterinary recommendations to minimize the transmission of Salmonella Typhimurium bacteria through feed, water, and the environment.
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.
Co-Authors Anak Agung Sagung Kendran Dewa Ayu Sinthya Devi Gusti Ayu Yuniati Kencana I Gede Soma I Gusti Ketut Suarjana I Made Damriyasa I Made Kardena I Nyoman Suartha I Putu Aditya Prawira I Putu Cahyadi Putra I Putu Cahyadi Putra, I Putu Cahyadi Ida Bagus Komang Ardana Ida Bagus Oka Winaya Iqbal Bayu Samudra Ketut Nanda Maharanthi Misfah Maulidiyah Muhammad Evan Malik Ni Luh Eka Setiasih Ni Wayan Helpina Widyasanti Nyoman Adi Suratma Petra Rahmitha Sava Setyanto Samsuri Tjokorda Sari Nindhia