मेरी ऍलन
#16 The Border Collie dog is prone to some diseases including:
Hip dysplasia is a hereditary disease;
प्रगतीशील रेटिना शोष;
Epilepsy - sometimes inherited;
Collie's eye anomaly - an inherited disease that causes changes and abnormalities in the eye - sometimes they can lead to blindness. These changes may include: choroidal hypoplasia (abnormal development of the chorioidea), coloboma (optic disc defect), staphyloma (thinning of the sclera), and retinal detachment. Usually manifests before the age of two;
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