Perry R W, Rowland G N, Foutz T L, Glisson J R
Department of Pathology, College of Veterinary Medicine, University of Georgia, Athens 30602.
Avian Dis. 1991 Oct-Dec;35(4):707-13.
Skeletal deformities, a major contributing factor to economic losses in market-age turkeys, may be associated with the poult malabsorption syndrome. A study was performed to determine whether the naturally occurring malabsorption syndrome produces skeletal lesions in turkeys at market age. Poults were placed on litter on which poults had previously developed malabsorption. Exposed poults developed enteric disease with 21% mortality during the first 3 weeks. Controls had no enteric disease and no mortality. At the end of the study, 20-week-old exposed turkeys weighed 0.621 kg (5%) less than controls and had a higher incidence of angular limb deformities with significantly higher angulation scores. Exposed turkeys also had a greater incidence of rotated tibias and bowed tibias. The mechanical property of tibial shear strength was significantly lower in turkeys that had survived the earlier poult malabsorption syndrome.
骨骼畸形是导致上市阶段火鸡经济损失的一个主要因素，可能与雏火鸡吸收不良综合征有关。开展了一项研究，以确定自然发生的吸收不良综合征是否会在上市阶段的火鸡身上产生骨骼病变。将雏火鸡放置在雏火鸡先前已出现吸收不良的垫料上。暴露组雏火鸡在前三周出现肠道疾病，死亡率为21%。对照组没有肠道疾病，也没有死亡。在研究结束时，20周龄的暴露组火鸡体重比对照组轻0.621千克（5%），角肢畸形的发生率更高，角度评分显著更高。暴露组火鸡还具有更高的胫骨旋转和胫骨弯曲发生率。在早期雏火鸡吸收不良综合征中存活下来的火鸡，其胫骨剪切强度的力学性能显著更低。
