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Sampul Edisi Juni 2019

Sampul Edisi Desember 2018

This study aims to see the effectiveness of Yorkshire boar semen natural modification of the natural diluent of green guava filtrate (Syzygiumaqueum). Semen is stored per 72 hours from a 3-year-old sow. Macro and microscopic evaluation of semen includes Volume, Colour, Consistency, pH, Odor and motility, concentration, viability, abnormality and normality of spermatozoa. The semen was diluted with palm fruit juice and added green guava filtrate (Syzygiumaqueum) in tiers: 100μL, 200μL, 300μL, 400 μL and 500 μL. The results showed that the modification of palm fruit juice diluent with the addition of 200 μL of green guava filtrate (Syzygiumaqueum) in Yorkshire boar semen was able to maintain the quality of spermatozoa up to 22 hours of storage.

The purpose of this case report is to report a case of clinical mastitis in dairy cattle in Batu. One case was reported on this period. Anamnesis was carried out, the owner revealed that the cow did not produce milk and when milking the udderand nipples felt hard and the milk that wanted to come out seemed to be stuck. Physical examination was carried out, cow’s weight ±400 kg, body temperature 38.4 °C, the udder and nipple were swollen and inflamed, and decrease of milk production, mammae showed reddish and asymmetrical and painful when palpate. Based on the history and physical examination of the cow, it can be concluded that the cow was diagnosed with clinical mastitis with a fausta prognosis and the differential diagnosis was mammary tumour. The therapy given in this case was injection of the antibioticInterspectin-L® 10 ml, the anti-inflammatory and antipyretic Tolfedine® 10 ml intramuscularly.

Keamanan pangan merupakan isu global dan menjadi perhatian bersama. Di bidang peternakan, penyalahgunaan antibiotik dalam praktik kesehatan hewan berdampak pada bahaya residu dan resistensi antimikroba pada produk pangan asal hewan bagi kesehatan masyarakat. Penelitian ini mengkaji profil residu dan resistensi antibiotik pada daging ayam broiler di Indonesia. Kajian dilakukan melalui tinjauan pustaka terhadap artikel penelitian yang dipublikasikan di jurnal ilmiah nasional dan internasional, prosiding seminar, dan laporan penelitian. Hasil penelitian mengungkapkan, dalam lima tahun terakhir (2018-2023) masih ditemukan residu antibiotik pada daging ayam broiler di beberapa daerah di Indonesia. Pada periode yang sama, resistensi antibiotik juga ditemukan pada sampel daging ayam broiler di beberapa wilayah Indonesia. Resistensi antibiotik yang ditemukan adalah pada satu jenis antibiotik dan beberapa jenis antibiotik (multidrug resistance) sekaligus. Temuan ini dapat dijadikan bahan evaluasi perbaikan manajemen rantai produksi dan distribusi produk daging ayam broiler dalam negeri tentang jaminan keamanan pangan asal hewan.

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Nowadays, there is an increasing demand for medicines to treat many types of diseases. Lunasia amara is one of the medicinal plants used by Indonesian people for a long time. This study aimed to identify the secondary metabolites of L. amara stem bark using phytochemical analysis and then assess its antioxidant and antibacterial activities. Metabolite extraction will be carried out with an ethanol solvent, and antioxidant activity will be determined using the α, α-diphenyl-β-picrylhydrazyl (DPPH) assays. Antibacterial experiments were conducted against two types of bacteria: Escherichia coli and Staphylococcus aureus. From the results of the phytochemical investigation, the predominant compound group is alkaloid. The ethanol extract metabolites have antioxidant activity and belong to the strong antioxidant group with an IC50 value of 77.96 ppm. Antibacterial activity was weak at concentrations as high as 20%. Based on these findings, further assays can be conducted, such as cytotoxic activity against various cancer cells.

Semau Island is an island across the west of the island of Timor which is an area of ​​Kupang Regency with the potential for developing Bali cattle. This study aims to determine the population structure of Bali cattle in Semau Island. This research uses simple random sampling method. Collecting data in the form of primary data (interviews/questionnaires) and secondary data. The total sample used is 110 farmers. The parameters measured in the population structure are livestock birth rates, livestock purchases, livestock mortality, livestock slaughter, livestock sales, livestock income, livestock expenditure, and natural increase values. The results showed that the population structure of Bali cattle on Semau Island which was owned by the respondents was dominated by 455 female cows with a total of 1103 cows. Birth rate of 16.59%, purchase rate of 4.26%, death rate of 4.17%, slaughter rate of 0.18%, sales rate of 10.06%, income rate of 20.85%, expenditure rate of 14.42%, and the Natural Increase (NI) value of 12.42%.

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