Complex sentence: Some veterinary schools offer a degree enabling the recipient to practice veterinary medicine in their home country but does not permit the individual to take a licensing examination abroad; for example, veterinary schools in Afghanistan offer only the Bachelor of Science (BS) degree.
Split into simpler sentences: Some veterinary schools, however, offer a degree which enables the recipient to practice veterinary medicine in the home country but which does not permit the individual to sit for a licensure exam in another nation. For example, veterinary schools in Afghanistan only offer the Bachelor of Science (BS) degree.