Veterinary Public Health & Preventive Medicine
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Item Actualization of strategies for beef quality control in south western Nigeria(2005-06) Olugasa, B. O.; Cadmus, S.I. B.; Atsanda, N.N.A major private abattoir wd meat processing plant in south-westem Nigeria was studied in this article to determine its compliance with control over dissemination of parasitic and microbial diseases from beef to man. To ensure total quality control, a private veterinarian sourced for cattle on farms and supplied these to the abattoir. In addition, a public health veterinarian in government service at the abattoir carried out antemortem tests, postmortem inspection and removal of unwholesome cattle. Diseases such as fascioliasis, tuberculosis, cysticercosis and brucellosis were effectively controlled in this way. Hence, United African Company (UAC) Foods provides wholesome beef to the communityItem Actualization of strategies for privatized preventive veternary services to nomadic herdsmen in southern Nigeria.(1997) Esuruoso, G. O.; Olugasa, B. O.Item African swine fever control in Ibadan, Nigeria: problems, needs and veterinary extension opportunities(2008) Olugasa, B. O.African swine fever (ASF) is a widely discussed disease in Ibadan, Nigeria, where high mortality losses occurred in outbreaks in the city between 2001-2006. To study the level to which ASF containment technologies were adopted and factors associated with adoption behavior, a sample of 60 pig farmers was selected from six local government areas in and near Ibadan. Essential data were collected using a questionnaire. Assessment criteria in forms of frequency, percentage, mean and product moment correlation coefficient were calculated. Results showed that the majority of pig farmers did not adopt ASF biocontainment technologies, since 86.7% (52/60) were at a low level of adoption behavior, 10% (6/60) at a medium level, and 3.3% (2/60) at a high level. A farmer’s income from piggery, knowledge of biocontainment technologies, and frequency of extension contact had positive and highly significant relationships (r 0.787) on levels of adoption. Specific needs and emerging opportunities for farmer participatory learning were indicated. It was recommended that Pig Farmers Association should constitute Farmer Field Schools, where the State Ministry of Agriculture and Natural Resources (MANR) would be involved in production of ASF virus-free pigs, and the current services by University-based officers to the early detection of pigs infected with the ASF virus will be optimizedItem Analysis and evaluation of mortality losses of the 2001 African swine fever outbreak, Ibadan, Nigeria(2007-08) Babalobi, O. O; Olugasa, B. O.; Oluwayelu, D.O.; Ijagbone, I. F.; Ayoade, G. O.; Agbede, S. A.The mortality losses of pigs of various age groups affected by the 2001 African swine fever outbreak in Ibadan Nigeria were analyzed and evaluated. Thirty one thousand nine hundred and sixteen (31,916) pigs on three hundred and six (306) farms reported by the Pig Farmers Association of Nigeria and the State Ministry of Agriculture and Natural Resources were involved. Gross mortality was ninety one percent (91%), while age group mortality ranged from 75.9% (growers), 83.1% (weaners), 91.2% (finishers) and 99.8% (piglets); to 100.0% in gilts, sow and boars. Losses were estimated to worth nine hundred and forty one thousand, four hundred and ninety one dollars, sixty seven cents (US $941,491.67). Highest financial loss was from sows (29.5% of total loss), followed by gilts (16.6%), finishers (15.2%), weaners (10.7%), boars (10.6%), growers (10.6%) and piglets (8.2%). Average mortality loss per farm of $3076.77 was of great financial and socioeconomic consequences for a developing country like Nigeria with a low Gross Domestic Product figures. In conclusion, the need to immediately revisit and take recommended actions on the 1998 Report of the FAO Consultancy Mission to Nigeria on Control and Eradication of an Outbreak of African swine fever in Western Nigeria is stressedItem Animal health management perspectives of rural livestock farmers in Southwest Nigeria: the place of community based animal health workers(2010) Idowu, O. S.; Babalobi, O. O.A case study of a typical community based rural livestock production system in South-west Nigeria was undertaken using participatory epizootiology (PE) to understand local preferences for animal health management practices and observe if there is any justification or place for community based animal health workers (CBAHW ) in rural livestock health and production management. Sheep and goats were the major animals kept by 46.7% of the respondents, followed by chicken (29.3%), dogs (13.3%), ducks (8.0%) and pigs (2.7%). The major health and production problems identified were Pestes des petit ruminants (PPR) (30.0% of respondents), mange (23.0%) and crop destruction (20.0%); while cannibalism by hawks/eagle was the major problem of poultry production as highlighted by rural women (15%). While more respondents (42.7%) rate modern animal health practitioners as more effective than Fulani pastoralists healers (33.67%) and indigenous local healers (25.0%), modern animal health practitioners were described as least truthful/ unreliable (91.7%), less available (91.7%), most expensive (66.7%) and inaccessible (25.0%). On the other hand, indigenous local healers were rated as very available and more accessible (66.7%) while Fulani pastoralist healers were rated as more available and ready to provide veterinary services (58.3%) compared to indigenous local healers (33.3%) and modern animal health practitioners (8.3%). These results are similar to those obtained in other African countries. In conclusion, despite the prevailing professional apathy to the CBAHW concept by influential veterinary authorities in Nigeria, health issues highlighted by the community-based rural livestock farmers could be adequately addressed by CBAHW.Item Antibody levels against rabies among occupationally exposed individuals in a Nigerian University(2010) Olugasa, B. O.; Odeniyi, A. O.; Adeogun, A. O.|; Adeola, O.AThe authors investigated the levels of antiglycoprotein antibodies against rabies virus in the sera of occupationally exposed humans at the University of Ibadan, Nigeria. A quantitative indirect enzyme‐linked immunosorbent assay (ELISA) was used to detect rabies virus anti‐glycoprotein antibodies in sera from 20 zoological garden workers, 20 veterinarians and 30 clinical veterinary students at the University of Ibadan. The sera were obtained between September 2008 and February 2009. Of these 70 healthy individuals, 29 (41.4%) consisting of 15 zoological garden workers (75.0%), 13 veterinarians (65.0%) and 1 veterinary student (3.3%) were immune to rabies virus (antibody titre >0.5 equivalent units per ml), while 41 (58.6%) were not immune. The prevalence of rabies anti‐glycoprotein antibody was higher within the older segment of the study population than among the younger veterinary students. Almost all those who had spent at least 10 years on the job had higher levels of rabies vaccination compliance and were immune. Our results indicated that there is low anti‐rabies immunity among occupationally exposed individuals at the University of Ibadan. There is a need for a complete course of primary and booster vaccinations of professionals exposed to the rabies virus. The impact of these results on rabies control in Nigeria is discussed.Item Application of geographical information systems to assess the risk of trypanosomosis in Apete, Ibadan(2001) Oguamanam, L.; Babalobi, O. O.; Fabiyi, O.Geography information System (GIS) was applied to assess the risk of trypanosomosis at Apete area, Ibadan, Nigeria where the University of Ibadan’s Veterinary Teaching Hospital has a satellite station. Primary data were collected from physical field observations and interviews with residents and community leaders in the area between September 2000 and March 200.1 Secondary data sources included maps from Oyo State ministry of Land, Housing and Survey, International Livestock Research Institute ILRI. Internet Search and consultation with GIS personnel at the Geography Department of the University of Ibadan. Data analysis was done at DISEG Niq Ltd Ibadan. Software used included Arcview GIS Version 3.1® Atlas GIS® and Arc info GIS Microsoft Word 98® was used for typing Epizootological criteria chosen included the Forest Reserve Area Rivers and An-mal Host locations at Apete area. Results classified Apete area into high risk and medium risk areas and highlight the potential of GIS for landscape epizootological research. Recommendation are made for provision of relevant database of high quality which should be regularly updated. There is need for collaborative efforts with the GIS unit of Geography Department of the University.Item The application of geographical information systems to veterinary medicine: an overview(Faculty of Veterinary Medicine, University of Ibadan, Ibadan, 2002) Babalobi, O. O.; Fabiyi, O.; Oguamanam, L.Geographical Information Systems, (GIS), are powerful computerized systems with inputting, storage, mapping, analysis and display of spatial data capabilities (spatial data are associated with a location on the earth’s surface). Geographical Information Systems have tremendously enhanced Ecological Epizootiology, the study of diseases in relation to their ecosystems. It has found increasing application for surveillance and monitoring studies, identification and location of environmental risk factors as well as disease prediction, disease policy planning, prevention and control. This article is an overview of the application of GIS to veterinary and medical research, education, decision support and information systems indifferent parts of the world, including Nigeria.Item Assessment of seroconversion against peste des petits ruminants vaccine among sheep and goats in Buchanan, Liberia(2012) Olugasa, B. O.; Anderson, J. R. N.Serological response to a live commercial vaccine of Peste des petits ruminants (PPR) virus administered to sheep and goats in Buchanan, the capital city of Grand Bassa County, Liberia was assessed in view of its importance for effective restocking of small ruminants in the city. Forty-four paired serum samples (pre- and post-vaccination) were collected from vaccinated sheep and goats during a nation-wide campaign for food security promotion from March to October, 2011. Sheep and goats were vaccinated against PPR in late April, 2011. Pre-vaccination samples were collected in mid-April, 2011. Post-vaccination samples were collected in mid-October 2011 from the same groups of sheep and goats (6 months after vaccination). Paired serum samples gathered were stored at -4 0C until tested. Competitive Enzyme Linked Immunosorbent Assay (c-ELISA) was used to determine antibody levels against PPR virus. Only 34(77.3%) out of 44 paired serum samples were adequate in quantity and quality for the test. Test results indicated 27(79.4%) out of 44 paired serum samples increased significantly in antibody levels from pre-vaccination to post-vaccination levels that were equal or above threshold of Percentage Inhibition (PI > 50%) against PPR vaccine. The importance of these findings to effective veterinary services delivery for the control of this neglected animal disease in Liberia is discussed. The present seroconversion status against PPR virus is considered to be a milestone in rebuilding veterinary services systems in Liberia towards national efforts for food security after prolonged civil war (1989-2003) in the country.Item Attitude of poultry farmers towards vaccination against newcastle disease and avian influenza in Ibadan, Nigeria(2012) Oluwole, O..A.; Emikpe, B. O.; Olugasa, B. O.Newcastle disease (ND) and Avian Influenza (AI) are among the important viral diseases of poultry with very high economic implications. ND is enzootic in most parts of the world while Highly Pathogenic AI (HPAI) is an emerging zoonosis in Nigeria. This study was carried out to assess the perception and attitude of poultry farmers in the selected Local Government Areas in Ibadan towards vaccination of birds against these diseases, and to find out the types of vaccines that were available for the control of the two diseases. A total of 84 respondents out of 100 (84%) completed and returned the questionnaires administered. The results indicated that all farmers vaccinated their birds against ND. The regime for ND vaccination was not the same across the local government areas. Some 32 (38.1%) farmers operated vaccination schedules provided by hatchery technicians, while 43 (51.2%) farmers vaccinated their birds at about 4-6 weeks interval. Nine (10.7%) farmers combined hatchery and laboratory evaluation to determine schedule. Thirty nine farmers (46.4%) indicated that they were aware of national policy of non-vaccination against AI. However, 14 out of 84 farmers (16.7%) vaccinated their birds against HPAI. There is a need to continue the national policy of slaughter of HPAI infected poultry birds and compensation of farmers, albeit allowing strategic use of vaccine to effectively control HPAI outbreaks in south-western part of Nigeria.Item Clinic and laboratory manual: veterinary public health-preventive medicine-wildlife and fish diseases(2008) Adeyemi, I. G.; Alonge, D. O.; Agbede, S. A.; Ogundipe, G. A. T.; Ishola, O. O; Babalobi, O. O.; Ijagbone, I. F.; Cadmus, S. I. B.; Adedeji, O. B.; Adeyemo, O. K.; Olugasa, B. O.; Adetunji, V. O.; Olatoye, I. O.; Awosanya, A. E. J.; Ojomo, B.; Agboola, B. B.Item Community based participatory epizootiology of livestock kept by Awotan Women, Ido LGA, Oyo State, Nigeria(2007) Ogunwale, I.; Babalobi, O. O.Participatory Epizootiology (PE) is the use of participatory approaches and methods, involving the community based livestock keepers, to improve the understanding of their animal diseases and production problems, and to design appropriate veterinary intervention and other action plans for these problems Women are generally responsible for small stocks of livestock species kept in local communities This study was to investigate by the use of semi structured interviews, livestock diseases and health problems of traditional animal health projects in the study area, Awotan in Ido Local Government Area of Oyo State; with livestock keeping women as the primary respondents. The major species of animal kept were sheep and goats (51%), domestic fowl (27%), and dog (4%). They were kept under a semi intensive system of management in which the farmer have no adequate control over the animals. Common livestock diseases and health problems is encountered by female livestocks at Awotan were ranked by respondents as follows, Diarrhea (26%), Newcastle disease (22.7%), Mange (18%), Fowl pox 8.4%) petos des petite ruminants PPR (7.8%), Lice infestation 5.8%, Foot and nose bots 5.2%, Tick infestation 3.0%and Contagious Caprine Pleuro-pneumonia CCPP (1.95%). The farmers regard traditional intervention on the disease of their animals as very effective as a palliative treatment and modern veterinarian services as curative but less accessible and very expensive. Veterinary staff associated with the community complained about non conducive working environment and lack of mobility ambulatory vehicle, problems of ‘quacks’ that have motor cycles and go around disguising as veterinary doctors. Recommendations are made for the training of some educated community members as community animal health workers, the control of quackery in the Awoton, the provision of adequate mobility and conducive working environment for Veterinary staff, as well as provision of veterinary services to farmers at affordable prices.Item A comparative assessment of the nutritional contents of ‘wara’ a West African soft cheese using calotropis procera and cymbopogon citratus as coagulants(African Scholarly Science Communications Trust, 2011) Adetunji, V. O.; Babalobi, O. O.The processing line of West African soft cheese varieties (processed with Calotropis procera (Sodom apple) and Cymbopogon citratus (lemon grass) leaf extracts was assessed for nutrient compositions (nitrogen, crude protein, fat, lactose, moisture content), pH, total aerobic plate count and trace elements (Fe, Zn, Cu, Mn, Na, Ca, Mg and K). The percentage of nutrient composition, pH and the total aerobic plate count of microbes were: milk (nitrogen (2.05), protein (2.78), fat (5.33), lactose (1.86), moisture contents (88.75), pH (3.91) and total aerobic plate count (7.3logcfu/ml); Calotropis procera processed cheese (nitrogen (2.00), protein (2.56), fat (4.43), lactose (1.72), moisture contents (62.89), pH (3.58) and total aerobic plate count (7.34logcfu/ml); Cymbopogon citratus processed cheese (nitrogen (2.01), protein (2.53), fat (4.33), lactose (1.68), moisture contents (63.56), pH ( 3.56) and total aerobic plate count (7.43 logcfu/ml). There were significant differences between the parameters measured in the raw milk and processed cheese at 95% confidence limit. However, the parameters measured varied slightly in the two cheese varieties (Calotropis procera and Cymbopogon citratus). The total aerobic plate counts in milk and cheese were higher than international standards set by Codex alimentarius. Addition of leave extracts (Calotropis procera and Cymbopogon citratus) increased the total aerobic plate counts but the counts dropped at the curdling point during processing. Cymbopogon citratus cheese had a higher total aerobic plate count than the Calotropis procera cheese although not at a significant level. There was an increase in Fe, Zn, Cu and Na along the processing line, but a decrease ensued in Mn, Ca, Mg and K. There was no significant difference in the Zn, Cu, Mn, Ca, Mg, K, N, protein, fat and lactose contents of the two cheese types although all trace elements and nutrients assayed were higher in the Calotropis procera processed cheese with the exception of Fe content. The study suggests the use of Cymbopogon citratus leaf extract as a local milk coagulant due to reports of probable health hazard from the use of C. procera. However, further work on improving the yield of cheese when Cymbopogon citratus is used as coagulant is still necessary.Item Comparative evaluation of productivity and cost effectiveness of catfish fingerling production in earthen pond and recirculation system in Ibadan, Nigeria(2011) Adeyemo, O. K.; Ganiyu, O. I.; Olugasa, B. O.Despite the popularity of the African catfish and its great market potentials, the production is still basically at subsistence level due majorly to inadequate supply of seed for stocking. This has been linked to the absence of reliable production techniques for the mass production and rearing of the species under practical farming conditions. The purpose of this study therefore, was to find a suitable culture system for the mass production of catfish (Clarias gariepinus) fingerlings. Protected earthen pond and a unit of recirculation system were used. Fertilized eggs from female were divided into two equal halves and incubated under the same conditions. Forty-nine thousand frys each were stocked into the protected earthen pond and a unit recirculation system respectively. The frys in the two systems were raised for twenty one days and fed the same quantity and quality of feed throughout the period. The survival rate of the frys in the recirculation system was 79% as against 17% in the earthen pond. However, bigger sized (2.2 ± 0.23g) fingerlings were obtained from the earthen pond relative to those cultured in the recirculation system (0.9 ± 0.07g). The cost of raising frys in a recirculation system (N34,000) was twice that needed for earthen pond (N17,000), but this was more than made up for in the profit from sales, which was N311,360 and N99,156 respectively. The main reason for fish farming is the expected return to be, therefore, the choice of income-generating activities, amongst several options available, should be made on the grounds of their expected returns.Item Comparative evaluation of productivity and cost effectiveness of catfish fingerling production in earthen pond and recirculation system in Ibadan, Nigeria(2011) Adeyemo, O. K.; Ganiyu, O. I.; Olugasa, B. O.Despite the popularity of the African catfish and its great market potentials, the production is still basically at subsistence level due majorly to inadequate supply of seed for stocking. This has been linked to the absence of reliable production techniques for the mass production and rearing of the species under practical farming conditions. The purpose of this study therefore, was to find a suitable culture system for the mass production of catfish (Clarias gariepinus) fingerlings. Protected earthen pond and a unit of recirculation system were used. Fertilized eggs from female were divided into two equal halves and incubated under the same conditions. Forty-nine thousand frys each were stocked into the protected earthen pond and a unit recirculation system respectively. The frys in the two systems were raised for twenty one days and fed the same quantity and quality of feed throughout the period. The survival rate of the frys in the recirculation system was 79% as against 17% in the earthen pond. However, bigger sized (2.2 ± 0.23g) fingerlings were obtained from the earthen pond relative to those cultured in the recirculation system (0.9 ± 0.07g). The cost of raising frys in a recirculation system (N34,000) was twice that needed for earthen pond (N17,000), but this was more than made up for in the profit from sales, which was N311,360 and N99,156 respectively. The main reason for fish farming is the expected return to be, therefore, the choice of income-generating activities, amongst several options available, should be made on the grounds of their expected returns.Item Confirmatory diagnosis of African swine fever in southern Nigeria by immunoblotting assay(2005) Olugasa, B. O.; Oluwayelu, D.O.; Adewale, G.A.; Adewale, G.A.; Ayoade, G.O.; Ijagbone, I.F.; Babalobi, O.O.; Agbede, S.A.When a swine epizootic occurred in groups of pigs in south western Nigeria in 2001, a need for detailed investigation and confirmatory diagnosis arose at the University of Ibadan. A class of epizootiology students at the university was involved in the investigation. Comprehensive information about the nature and causation of the disease was provided. Four diagnostic techniques were used for confirmatory diagnosis, including Indirect Enzyme Linked Immunosorbent Assay (I-ELISA), immunoblotting, polymerase chain reaction (PCR), and virus isolation. Only immunoblotting assay was used at the University of Ibadan, while samples were sent to the National Veterinary Research Institute (NVRI) in Vom, Nigeria for I-ELISA and to two reference laboratories for African swine fever in South Africa and Madrid, Spain for PCR and virus isolation respectively. The results obtained from these laboratories using the other three diagnostic techniques were compared with that of the immunoblotting assay. Immunoblotting assay confirmed all samples that tested positive on PCR and virus isolation. It was also relatively easier to use, highly sensitive and specific for confirmatory diagnosis. It was however costlier in application for large sample size testing compared to I-ELISA.Item Core competency of the M.Sc. (epizootiology) programme at the University of Ibadan, Ibadan, Nigeria(2006) Babalobi, O. O.The concept of Core Competence developed to assess professional training needs, was applied in this 2004 study to evaluate the Masters of Science (Epizootiology) programme developed in 1984 at the Department of Veterinary Public Health and Preventive Medicine, Faculty of Veterinary Medicine, University of Ibadan. Ibadan, Nigeria. Results indicate the curricular covered four of the five major Core Competency needs in Epizootiology (Veterinary Epidemiology), with sufficient curricular courses available for General Skills, Surveillance and Monitoring Skills, Outbreak Investigation Skills as well as Study Design and Analysis. There are however major deficiencies in the fifth core subject of Risk Analysis. In addition to including the socio-economic concept of risk analysis, there is a review of the Masters of Epizootiology curricular of the University of Ibadan to harness all concepts within the fundamental nature of epizootiology; from the traditional long-established macroscopic field-based Participatory Epizootiology/Ethno-Veterinary Medicine perception of the stakeholder rural livestock farmer, to promoting modern contemporary microscopic desk/laboratory epizootiological concepts of Risk Assessment, Genetic and Molecular Biology, Geographic Information System and other Veterinary Computer Informatics facilities. However, field-based observational and descriptive studies remain the basis of epizootiological training and investigation.Item Detection of Haemagglutination–Inhibiting antibodies against human h1 and h3 Strains of influenza A Viruses in pigs in Ibadan, Nigeria(2010) Adeola, O.A; Adeniji, J. A.; Olugasa, B. O.Agricultural and commercial activities have continued to bring people and pigs into regular, close contact in Ibadan, Nigeria. This study was therefore designed to investigate the transmission of human influenza viruses to pigs in Ibadan, using serological surveillance. Serum specimens were collected from ninety-one (91/199) apparently healthy, unvaccinated Landrace pigs at three locations within Ibadan from April to June, 2008. Two strains of human influenza virus A: A/Brisbane/59/2007 (H1N1) and A/Brisbane/10/2007 (H3N2) were used in Haemagglutination-Inhibition Assay for antibody detection. Prevalence of HI antibodies to the two subtypes was 90.1%. Antibodies to influenza A/Brisbane/ 59/2007 (H1N1) were significantly (P < 0.05) more prevalent (80.2%) than those of influenza A/Brisbane/10/2007 (H3N2) (51.6%). Titres of HI antibodies to influenza A/Brisbane/59/2007 [mean = 3331.5] were significantly higher (P < 0.05) than those of influenza A/Brisbane/10/2007 [mean = 2212.3]. This study shows that these pigs were exposed to human strains of influenza A(H1N1) and A(H3N2) either prior to or during this study. The implications of these high prevalence and antibody titres are discussed in relation to influenza virus infection among pig handlers in Ibadan, Nigeria. We recommend that periodic investigation of circulating strains of influenza viruses in pigs and humans who handle pigs regularly in Nigeria and molecular characterization of such isolates be carried out to ensure early detection of interspecies transmission and potential future pandemic strains.Item Development of a geo-informatics database of abattoirs in Ibadan, Nigeria for epizootiological surveillance(National Veterinary Research Institute, Nigeria, 2005) Onyeka, L.; Ogundipe, G. A. T.; Babalobi, O. O.Animal diseases and health problems transcend local and international kudus. requiring attention to geographical, spatial and temporal considerations before effective prevention and control could be implemented. The application of geo-information technologies has been on for decades to facilitate diseases reporting, monitoring, surveillance, prediction and intervention (prevention/treatment/control) programmes. Low stock of livestock base data is one of the challenges/limitation to the adoption/application of modern geographic information technologies in the control of epizootics m Africa, including Nigeria. Abattoris are typical foci for epizootiological studies of animal diseases, including zoonotic disease of public health importance. This paper highlights the use of Geographical Inhumation Systems and Global Positioning System technologies lot the establishment of a spatial baseline geographical data of some abattoirs in Ibadan, one of Africa’s largest cities. Such a baseline data could form a basis for the running of an effective veterinary inhumation system for disease diagnosis, monitoring and surveillance