Core Insights - Japan is experiencing a resurgence of highly pathogenic avian influenza (HPAI) with confirmed outbreaks leading to the culling of approximately 280,000 chickens in Niigata Prefecture, raising concerns about egg supply and prices [1][2] - The current avian influenza season has seen four reported outbreaks, affecting over 1.5 million birds, which has led to heightened anxiety over egg supply shortages and price increases [1][2] - Egg prices in Japan are nearing the peak levels observed during the "egg crisis" of 2023, with the price of medium-sized eggs in Fukuoka Prefecture reaching 340 yen per kilogram, close to the previous high of 345 yen [2] Group 1 - The Niigata Prefecture government has implemented measures to prevent the spread of avian influenza, including halting the transportation of poultry and eggs from farms within a 10-kilometer radius of the outbreak [1] - The impact of avian influenza is already visible in retail, with supermarkets reducing their egg sales area and increasing prices due to supply shortages [2] - The food service industry is also feeling the pressure, with some businesses reporting a 50 yen increase in the price of egg-based products due to rising costs [2][3] Group 2 - If the avian influenza outbreak is not effectively controlled, Japan may face a repeat of the supply crisis and price surges experienced two years ago, which could strain consumers and related industries [1] - The price of eggs has significantly increased, with reports indicating that a box of eggs that previously cost around 3,000 yen is now exceeding 4,000 yen, and suppliers expect these high prices to persist into the winter [3]