Injury. Booklice feed on molds and will overrun cereals and similar materials that support mold growth. Their presence, therefore, is a nuisance and can render some foods unfit. The starchy paste of wallpaper and books also can support mold growth or may be attacked directly by booklice.
Hip dysplasia is caused by a subluxation in the hip joint. This creates abnormal wear and erosion of the joint and as a result arthritis and pain develop. The disease process is fairly straightforward; the controversy starts when we try to determine what predisposes animals to contracting the disease.
Early onset cases of hip dysplasia usually develops after four months of age. In young dogs, there is a laxity or joint looseness that develops as the dog grows. For later onset cases, the cause is usually due to a form of arthritis called osteoarthritis, which causes the joint cartilage to deteriorate.arly onset cases of hip dysplasia usually develops after four months of age. In young dogs, there is a laxity or joint looseness that develops as the dog grows. For later onset cases, the cause is usually due to a form of arthritis called osteoarthritis, which causes the joint cartilage to deteriorate.