نتایج جستجو برای: canis lupus
تعداد نتایج: 48725 فیلتر نتایج به سال:
Both human and nonhuman primates use imperative pointing to request a desired object from another individual. Gaze alternation often accompanies such pointing gestures, and in species that have no hands this can in itself function as imperative pointing. Dogs have exceptional skills in communicating with humans. The early development of these skills is suggested to have been facilitated by dome...
ارلیشیوز سگ سانان یک بیماری عفونی ناقله توسط کنه های rhipicephalus sanguineus است. عامل ایجاد کنندهی این بیماری باکتری های داخل سلولی اجلباری به نام ehrlichia canis هستند. مطالعهی حاضر با هدف تعیین شیوع سرمی آنتی بادی های ضد e. canis و نیز تعیین عوامل خطر بروز بیماری بر روی 250 قلاده سگ خانگی در شهر مشهد (شمال شرق ایران) صورت پذیرفت. نتایج مطالعهی حاضر که به روش ایمونوفلورسانس غیر مستقیم (if...
Neospora caninum is a protozoan cyst forming apicomplexan parasite that causes neosporosis, notably in cattle (Bos taurus) and domestic dogs (Canis familiaris) [1,2]. It is closely related to Toxoplasma gondii and has emerged as a major cause of reproductive failure in cattle worldwide [2]. The parasite was first described in a dog with encephalomyelitis and myositis [1] and was later described...
Despite the relatively recent divergence time between domestic dogs (Canis familiaris) and gray wolves (Canis lupus), the two species show remarkable behavioral differences. Since dogs and wolves are nearly identical at the level of DNA sequence, we hypothesize that the two species may differ in patterns of gene expression. We compare gene expression patterns in dogs, wolves and a close relativ...
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