Frozen shrimp is one type of fishery product. Fishery products are a type of food that is susceptible to damage due to pathogenic microbial contamination. Virus is a type of pathogen that can attack fishery commodities including shrimp. One type of virus that attacts shrimp namely Taura Syndrome Virus (TSV). This study aims to detect Taura Syndrome Virus in frozen white shrimp (Litopenaeus vannamei) and tiger prawn (Penaeus monodon) products. The research was carried out in December 2019 - January 2020 at the Fish Quarantine Center, Quality Control and Safety of Fishery Products in Surabaya II. Materials used in this study consist of two types of frozen shrimp, namely 5 samples of tiger prawn and 2 samples of white shrimp. Virus testing samples were detected molecularly using the conventional Polymerase Chain Reaction (PCR) method which consisted of an extraction stage using a Silica Extraction Kit, an amplification stage, electrophoresis and result visualization. This research was observative, then the data obtained were analyzed descriptively. The results showed that all shrimp samples consisting of white shrimp dan tiger prawn were negative of the Taura Syndrome Virus (TSV).

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Kebutuhan ikan gurame (Osphronemus gouramy) terus meningkat, hal ini dapat dilihat dari perdagangan ikan gurame yang sudah dimulai pada tahap masih telur, sehingga diperlukan penelitian yang mempengaruhi jumlah telur (fekunditas) dari induk ikan gurami. Pada penelitian ini bertujuan untuk mengetahui hubungan antara umur dan fekunditas ikan gurame. Metode penelitian yang digunakan deskritif komparatif. Induk ikan gurame terbagi menjadi 3 berdasarkan umurnya, kolam A induk berumur 2,5 tahun, kolam B berumur 4 tahun dan kolam C berumur 8 tahun. Pengamatan dilakukan dengan cara pengambilan telur dari sarang pada masing-masing kolam kemudian dihitung secara manual. Hasil pengamatan menunjukan bahwa induk yang berumur 4 tahun memiliki tingkat fekunditas paling tinggi.

Fluctuating asymmetry of bilateral meristic traits is one of the simple methods to calculate phenotype variation and discover the stability of fish development. The aims of this research are analyzing quantitative information about the level of asymmetry of Black Nile Tilapia and Red Nile Tilapia in Kabat Banyuwangi Fish Hatchery Center (BBI) as reference breeding program at Kabat Banyuwangi Fish Hatchery Center. The length of Black Nile Tilapia and Red Nile Tilapia was 50 – 150 gram with 100 samples of fish for each strain so the total is 200 samples of fish. Bilateral meristic traits that have been observed was the number of soft pectoral fins, the number of soft ventral fins, the number of scales on the lateral line, and the first-gill filter of Nile Tilapia. The results show that the highest value of the fluctuating asymmetry of number (FAn) and the fluctuating asymmetry of magnitude (FAm) are 0.65 and 1.38 for Black Nile Tilapia and 0.6 and 1.04 for Red Nile Tilapia. However, the lowest value of FAn and FAm are in soft ventral fins which are 0.22 and 0.22 for Black Nile Tilapia and 0.37 and 0.37 for Red Nile Tilapia.

The freshwater aquaculture fishery sector in Indonesia has the potential to be developed through extensification and intensification. The problem in aquaculture is diseases that infects cultivated organisms, one of which is caused by bacterial infection. Bacterial infection can cause huge losses to cultivation activities, including death which results in economic losses. The purpose of this study is to identify the A. salmonicida and E. ictalury in live fish that will be exported from DI Yogyakarta. The method of examining bacteria used is conventional which consists of isolation, purification, presumptive test, biochemical test, and identification. The results showed that all live fish samples (koi, gouramy, goldfish, catfish, and eel) were not infected with A. salmonicida and E. ictalury. This shows that all live fish are in a healthy condition and suitable to be exported of DI Yogyakarta.