Abstract This study aims to determine the amount of protein content in Aceh cattle beef quadriceps muscle (chuck) and find out best storage between cold frozen levels beef. used 10 samples parts which were divided into 3 treatment groups, group I meat was treated fresh condition, Group II at 8 °C III will be -19 °C. Protein analysed by Independent Samples Test. The results showed that fresh; 15...

Background and Aims: Newcastle disease (ND) is a highly contagious disease in poultry with economic losses in the world. Vaccination is one of the most important ways for prevention and control of NDV, but there are reports of ND outbreaks in vaccinated chickens. Poor quality of the vaccines is one of the reasons of vaccine failure. In this study the quality of two commercial oil-emulsion Newca...