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Fallowed and cultivated soils of Teaching and Research Farm, Federal University Dutse (TRF, FUD) were investigated to compare their degradation rates. Representative soil samples from farmlands were collected from the surface (0-15 cm) and sub-surface (16- 30 cm) soil depths from cultivated (millet and sorghum farms) and fallowed (Block A and Block B) lands. The soil's physical and chemical properties were investigated in the field and laboratory. Data collected were subjected to descriptive statistics and soil degradation assessment was done following standard procedures. The results revealed that the fallowed soils were moderately degraded (44.44%), while cultivated soils were highly degraded (52.78%). Physical and biological degradation was more pronounced on the cultivated soils, which was attributed to the effect of cultivation. However, both soils were degraded which indicated that fallow methods or time was still insufficient. Conservation tillage improved bush fallowing mechanisms such as leguminous fallow and proper management of organic wastes. These were suggested as management practices that could replenish the nutritional status of both soils.
Fallowed and cultivated soils of Teaching and Research Farm, Federal University Dutse (TRF, FUD) were investigated to compare their degradation rates. Representative soil samples from farmlands were collected from the surface (0-15 cm) and sub-surface (16- 30 cm) soil depths from cultivated (millet and sorghum farms) and fallowed (Block A and Block B) lands. The soil's physical and chemical properties were investigated in the field and laboratory. Data collected were subjected to descriptive statistics and soil degradation assessment was done following standard procedures. The results revealed that the fallowed soils were moderately degraded (44.44%), while cultivated soils were highly degraded (52.78%). Physical and biological degradation was more pronounced on the cultivated soils, which was attributed to the effect of cultivation. However, both soils were degraded which indicated that fallow methods or time was still insufficient. Conservation tillage improved bush fallowing mechanisms such as leguminous fallow and proper management of organic wastes. These were suggested as management practices that could replenish the nutritional status of both soils.
Tuberculosis is an infectious, contagious, and bacterial disease of immense economic and public health importance globally. It affects domestic and wild animals and man causing respirato-ry disease and to a certain extent, generalized body lesions depending on the mode of transmission and the animal species affected including man. Mycobacterium species causing the disease include M. bovis, M. tuberculosis, M. africanum, M. avium, M. caprae, M. microti, and M. canetti. Mycobacterium bovis has been reported to primarily infect cattle while M. tuberculosis infects humans though the organisms M. bovis and M. tuberculosis have recently been demonstrated in both cattle and humans. The objective of this study was to review relevant literature and provide concise summary on the epidemiology of tuberculosis in animals and humans with special emphasis on Nigeria. Factors that affect the epidemiology of tuberculosis such as the age, breed, sex and genetic composition of the host as well as season, husbandry and management practices were adequately discussed. The role of wild life in the maintenance of tuberculosis in the population as well as the role of immunosuppression in humans have all been identified. The infection of humans with HIV/AIDs has been shown to greatly increase the incidence of the disease in humans and that the disease has been reported in almost all the states in the Nigerian Federation. The epidemiological and risk factors of the disease, tuberculosis, along with the potential economic and public health importance of the disease in various animal species in Nigeria have been demonstrated.
Bovine tuberculosis (bTB) caused by Mycobacterium bovis is a chronic infectious and contagious disease of domestic and wild animals, as well as humans. The disease has been reported in various livestock species in Nigeria. The aim of the study was therefore to determine the prevalence and epidemiological factors of Mycobacterium species infection in slaughtered cattle at the Kaduna Central Abattoir, Kaduna State, Nigeria. Lesions were determined by observation/palpation for nodules in the predilection organs and further use of acid-fast stain test on such lesions. The study showed overall prevalence of 14% by acid fast staining and 17% by the presence of lesions. Among the Breed prevalence was 57.1% (White Fulani), 23.2% (Sokoto Gudali) and 19.6% (Red Bororo). Sex prevalence was 48.2% and 51.8% for cows and bulls, respectively. Age prevalence was 17.9% and 82.1% for < 4-year-old and > 4 years old, respectively. Detection of lesions of bTB in slaughtered cattle poses a public health risk. This study has added useful epidemiological information on bTB infection in cattle slaughtered at Kaduna Central Abattoir. Enhanced public education and awareness campaigns should be carried out among meat handlers and abattoir workers, especially on the mode of transmission, aetiology, and public health importance of bTB. There is the need to conduct molecular detection of the actual Mycobacterium species infecting cattle, other domestic animals and humans with a view to fully understand the status of bTB in Kaduna State, Nigeria.
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