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EFEKTIVITAS VAKSIN POLIVALEN UNTUK PENGENDALIAN VIBRIOSIS PADA KERAPU TIKUS (Cromileptes altivelis)

Jurnal Perikanan Universitas Gadjah Mada Vol 7, No 1 (2005)
Publisher : Universitas Gadjah Mada

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Abstract

The objective of this research was to know the effectiveness of polyvalen  Vibrio vaccine to control vibriosis in humpback grouper (Cromileptes altivelis). The effectiveness of vaccine was evaluated by the survival rate (SR), relative percent survival (RPS), mean time to death (MTD) as well as growth rate of vaccinated fish. This research consisted of 4 treatments (control, injection, immersion, and oral vaccinations) in quadruplicates. Injection  vaccination was conducted by intraperitoneal injection of polyvalen vaccine at 107 cells/fish. Immersion vaccination was done by immersing the fishes at 107 cells/ml for 30 minutes. Oral administration of vaccine was also carried out  at 107 cells/fish. One week after the first vaccination, second vaccination (booster) was carried out at the same dosage and by the same administration. One week after the second vaccination, fishes were challenged with 3.16x104 cells/fish of Vibrio ordalii 3J by intraperitoneal injection, and reared for 20 days post infection. Results indicated that polyvalen Vibrio vaccine increased SR (P<0.01) up to 100%. Vaccination was also able to delay MTD of fishes. However, the vaccination was not influence the growth rate of fish.

TUMOUR CASE IN KOI CARP (Cyprinus carpio)

Indonesian Aquaculture Journal Vol 5, No 2 (2010): (December 2010)
Publisher : Pusat Penelitian dan Pengembangan Perikanan, Badan Penelitian dan Pengembangan Kelautan da

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Abstract

A case study of tumour in koi carp (Cyprinus carpio) was observed in rearing periode. This tumour occurs solitary, large, pale red, fleshy masses under the lips and dental plates on the outside, and by reason of its size, may prevent closure the mouth. Moreover, this tumour goes through into the inside of the mouth. At necropsy, there were two soft, firm, small mass at inside of the mouth and the bigger mass at outside the mouth. Samples of this tumour were fixed in 10% formalin were used for histology analysis. The clinical course of the tumour is one of relatively slow but progressive growth. The proliferative stage of the neoplastic process is preceded and accompanied by a striking vascular reaction. Intensed hyperemia invariably occurs in that region of the mucosal surface which later becomes the site of neoplastic proliferation. Neoplastic cells lied around lamina propria and submucosal. These cells were joined together to make vacuolization and the other cells become pleiomorphism with hyperchromatic nucleus and N/C ratio cells are 1:1. In some area, there were many empty holes, around the holes there were debris cells, inflammation cells, and erythrocytes.

POTENCY AND EFFICACY TEST OF A VACCINE IN ADDITION WITH ADJUVANT AGAINST KOI HERPESVIRUS IN KOI (Cyprinus carpio)

Indonesian Aquaculture Journal Vol 11, No 1 (2016): (June 2016)
Publisher : Pusat Penelitian dan Pengembangan Perikanan, Badan Penelitian dan Pengembangan Kelautan da

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Abstract

Koi Herpesvirus (KHV) is a malignant virus infecting the goldfish and koi in all stadia and cause mortality up to 95%. The purpose of this study was to determine the potency and efficacy of inactivated-vaccine in addition with adjuvant against KHV in koi fish. The viral propagation was done using a KF-1 cell line in 25 cm3 flask. The cultured virus was harvested on 12 days post inoculation, and then the harvested virus was inactivated with 0.1% formalin as inactivated-vaccine. Three hundred of test fish (10.38 ± 1.25 g) maintained in 126 L of plastic containers with aeration, and fed with pellets twice a day. After 14 days of adaptation, the fish were divided into five treatments (A= vaccine; B= vaccine + Complete Freund’s Adjuvant; C= vaccine + Incomplete Freund’s Adjuvant; K+= positive control, and K-= negative control) and each treatment has four replicates. Vaccine was given by injecting intramuscularly of 0.1 mL per fish. All fish were challenged by injecting intramuscularly of 0.1 mL of KHV virus with concentration of 104.58 TCID50/mL after 21 days post vaccination. The results showed that the B treatment had higher (P<0.05) values of hematocrit level, lysozyme activity, and titer of antibody compared with positive control. In addition, the survival of fish in B treatment also had the highest percentages and significantly different compared to other treatments (P<0.05). The conclusion of this research was the application of inactivated KHV vaccine in 0.1% formalin with the addition of Complete Freund’s Adjuvant through the injection dose 0.1 mL fish-1 in 104.58 TCID50/mL capable to enhance the immune responses and raised the optimal protection of KHV antibody in koi fish.