Vietnam also has reported recent cases of blue - ear disease . the disease causes reproductive failure in female pigs and breeding ( breathing ) difficulties in young pigs . older pigs may also be affected 越南最近也报道有猪蓝耳病的病例。这一疾病引起母猪的丧失生殖能力,幼猪有呼吸困难。成年的猪也可能被感染。
Vietnam also has reported recent cases of blue - ear disease . the disease causes reproductive failure in female pigs and breathing difficulties in young pigs . older pigs may also be affected 越南同样报道了近期一些猪蓝耳病的案例。这种疾病会导致母猪的生殖能力的丧失以及幼猪的呼吸困难。年龄较大的猪可能同样会被感染。
Farmers , concerned about their fully - grown pigs catching blue - ear disease , and eager to capture the high market prices , are also slaughtering them younger , meaning that the meat generated per animal is declining 担心已长成的猪患上蓝耳病、并急切希望卖个好价钱的农民们,还在提前屠宰生猪,这意味着每只生猪的出肉量正在下降。
Exacerbated by an outbreak of porcine reproductive and respiratory syndrome ( " blue - ear " disease ) that has affected pig supplies , the usual cyclical volatility in pork prices has reached new highs , pushing the year - on - year increase in meat and poultry product prices to 49 % in august 生殖情况恶化和蓝耳病影响了生猪供应,猪肉价格的周期性波动创下新高,推动8月份肉禽蛋指数同比增长49 % 。