Four categories of natural resistance phenomena against Mareks disease in chickens, i.e., maternal antibody, age resistance, genetic resistance, and natural immunization, are described. In nature, these forms of resistance probably act in concert through comlex interrelationships. The mechanisms are not well understood but include humoral immunity (maternal antibody), cell-mediated immunity, an...

09:30 Tristan Cazenave, Marek Cornu, Daniel Vanderpooten A two-phase meta-heuristic applied to the Multi-objective Traveling Salesman Problem Recently, a number of hybrid meta-heuristics have been successfully applied on different problems like the MO Traveling Salesman Problem (TSP), the MO Multidimensional Knapsack Problem and the MO Flow-shop Scheduling Problem. We present a method providing...

Komoditas ayam di indonesia mempunyai prospek pasar yang sangat baik karena didukung oleh karakteristik produk dapat diterima semua lapisan masyarakat, harga daging relatif lebih murah (dibandingkan dengan sapi maupun kambing) akses mudah diperoleh sudah menyebar seluruh wilayah tanah air. Oleh itu, banyak masyarakat memanfaatkan ternak sebagai ladang bisnisnya. Permasalahan utama merupakan tan...

atherosclerosis is the most common cause of myocardial infarction and ischemic stroke. various risk factors have been identified for atherosclerosis. recently, bacterial and viral organisms, which are involved in chronic inflammatory processes, have been also implicated in atherosclerosis development. individuals with a prior history of periodontal diseases and/or tooth loss are considered to be...