By Felicia Imohimi A veterinary doctor, Bala Muhammed, has urged the Federal government to establish veterinary laboratories for disease investigation in all abattoirs across the country to ensure effective diseases surveillance and public health service. Muhammed, who is the Chief Executive Officer (CEO) of Blueblood Veterinary Service, a Nongovernmental Organisation (NGO) made the call in an interview with the News Agency of Nigeria (NAN) on Monday in Abuja. He described no availability of laboratories in abattoirs as major challenge to veterinarians and public health scientists. According t…