西藏小型猪在广州地区的行为学特性栽

为了解西藏小型猪在亚热带地区的行为特性,对从西藏自治区偏僻山区引进到广州市的42头西藏小型猪,进行为期1年的封闭饲养,观察并记录其行为特性.结果表明,母猪走动时间约占全天的15%～25%,卧息时间占75%～85%,排粪5次～6次;4月龄～5月龄左右出现初次发情,发情特征明显;产前19 h开始出现闹圈等一系列产前行为,产仔持续时间2.0 h～4.2 h,胎衣排出时间4.9 h～6.4 h,产仔数为3头～6头;每天哺乳25次,产后10 d～15 d达到高峰.公猪65日龄～80日龄出现爬跨行为,120日龄可配种利用.说明西藏小型猪对亚热带气候区的生态条件具有很好的适应能力.

Tibet Swine Behavioral Characteristics in Guangzhou

To find out behavioral characteristics of Tibet swine in Semitropics,42 Tibet swine were introduced from Tibet to Guangzhou, and raised in close environment for a year in order to observe their routine behavior.The results showed:For sows, their walking time accounted for 15-25 percent of the whole day, and resting time was 75-85 percent with defecating 5-6 times per day. Oestrus was long and had obvious symptom at that time. For young sow, the first time of empathema appeared in 4-5 month old and had a series of antepartum behavior with restlessness 19 hours before antepartum. The procreation time last more than 2.0-4.2 hours and the afterbirth efflux time last 4.9-6.4 hours. A sow could procreate 3-6 piglets one time.The sow suckled 25 times everyday. The peak time appeared in 10-15 day after procreation. The boar appeared mating behavior at the age of 65-80 days and could mate until 120 days. In conclusion,Tibet swine have adaptability to ecological condition of the subtropical climatic region.