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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
immunology and microbiology
Molecular characterization of Cryptosporidium spp. in native breeds of cattle in Kaduna State, Nigeria
Veterinary Parasitology, Volume 178, No. 3-4, Year 2011
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Description
Despite numerous molecular epidemiologic studies of cryptosporidiosis in dairy cattle in industrialized countries, there are very few studies on the diversity and public health significance of Cryptosporidium species in native cattle in developing countries. In this study, a polymerase chain reaction (PCR)-restriction fragment length polymorphism (RFLP) analysis of the small-subunit (SSU) rRNA gene was used to detect and identify Cryptosporidium spp. in 194 fecal specimens from 2 to 365 days old calves in 20 White Fulani and Sokoto Gudali herds in Nigeria. Thirty one (16.0%) of the specimens were positive for Cryptosporidium. Restriction digestion of the PCR products showed the presence of Cryptosporidium bovis (7.2%), Cryptosporidium ryanae (4.1%), Cryptosporidium andersoni (2.5%), and concurrent occurrence of C. bovis and C. ryanae (1.5%), and C. bovis and C. andersoni (0.5%). There were no significant differences (p> 0.05) in Cryptosporidium infection rates by sex, herd location, management system, breed of calves, or fecal consistency. However, calves 180 days or younger had a higher infection rate of Cryptosporidium than older calves (p = 0.034). Likewise, younger calves also had higher occurrence of C. bovis and C. ryanae (p = 0.022). The absence of zoonotic Cryptosporidium parvum in the calves studied suggests that native breeds of cattle may not be important in the transmission of human cryptosporidiosis in Kaduna State, Nigeria. © 2011.
Authors & Co-Authors
Maikai, Beatty Viv O.
United States, Atlanta
National Center for Emerging and Zoonotic Infectious Diseases
Nigeria, Zaria
Ahmadu Bello University
Umoh, Jarlath Udoudo
Nigeria, Zaria
Ahmadu Bello University
Kwaga, Jacob Kwada Paghi
Nigeria, Zaria
Ahmadu Bello University
Lawal, Idris Alao
Nigeria, Zaria
Ahmadu Bello University
Maikai, Victor Ambrose
Nigeria, Zaria
Ahmadu Bello University
Cama, Vitaliano A.
United States, Atlanta
Centers for Disease Control and Prevention
Xiao, Lihua
United States, Atlanta
National Center for Emerging and Zoonotic Infectious Diseases
Statistics
Citations: 67
Authors: 7
Affiliations: 3
Identifiers
Doi:
10.1016/j.vetpar.2010.12.048
ISSN:
03044017
Research Areas
Genetics And Genomics
Infectious Diseases
Study Locations
Nigeria