十三、本年度畜群週转计划的编制所谓‘畜群’是由各个年龄和性别的牲畜组成的集团。由于牲畜本身不断地生长、繁殖、或死亡等原因,经常影响畜群头数的变动。例如因为繁殖、购入和转入群(即由低年龄组转入)而引起牲畜头数的增加;或因为出售、屠宰和转出群(即转出至高年龄组)而引起牲畜头数的减少。表示各种畜 XIII. Establishment of this year’s herd turnover plan The so-called “herd” is a group of livestock of all ages and sexes. Because of the constant growth, reproduction, or death of livestock, changes in herd size are often affected. Such as an increase in the number of livestock as a result of breeding, buying and transferring into a herd (ie from a lower age group); or the number of herds caused by the sale, slaughter and transfer of herds (ie reassignment to a higher age group) cut back. That a variety of livestock