Poultry and Wild Bird Interactions: an Assessment of Risk Factors in Kogi State, Nigeria
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2021, Scienceline Publication JWPR J. World Poult. Res. 11(2): 193-203, June 25, 2021 Journal of World’s Research Paper, PII: S2322455X2100023-11 Poultry Research License: CC BY 4.0 DOI: https://dx.doi.org/10.36380/jwpr.2021.23 Poultry and Wild Bird Interactions: An Assessment of Risk Factors in Kogi State, Nigeria Negedu Onogu Ameji1*, Assam Assam2, Paul Ayuba Abdu3, Lawal Sa’idu4 and Murtala Isa-Ochepa5 1Department of Veterinary Medicine, Surgery and Radiology, University of Jos, Nigeria 2Department of Animal Sciences, Cross River State University of Technology, Obubra Campus, Nigeria 3Department of Veterinary Medicine, Ahmadu Bello University, Zaria, Nigeria 4Veterinary Teaching Hospital, Ahmadu Bello University, Zaria, Nigeria 5Ministry of Agriculture, Kogi State, Nigeria *Corresponding author’s Email: [email protected], ORCID: 0000 0002 1052 2799 Received: 20 Apr. 2021 Accepted: 03 June 2021 ABSTRACT Wild birds are involved in the spread of avian pathogens such as avian influenza and Newcastle disease viruses over long distances. This study aimed to identify conditions that can promote poultry-wild bird interactions and consequently enhance risk of introduction, spread, and maintenance of avian pathogens within poultry population in Kogi State, Nigeria. Data were collected through structured questionnaires administered to poultry farmers and poultry sellers in farms, live bird markets (LBMs), and households and cross checked by observers using a checklist. Of the 108 respondents, 86.4% affirmed that wild birds scavenge for food on their farms, households, and LBMs, 73.1% kept poultry on free range and 67.9% indicated the presence of trees, where wild birds settle, on their farms, households, or LBMs. However, 53.3% were near major rivers/wetlands while 9.3% had fish ponds near their farms or households. Nonetheless, 94.7% of respondents dispose dead poultry and litter in refuse dumps and 77.2% of the respondents had farms along transit routes. Spearman’s rho showed strong positive correlations between poultry and wild bird interaction with high rates of scavenging by wild birds on farms and around households, presence of major rivers, free-range poultry and transit routes for live bird trade, spillage of poultry feed and presence of tress for roosting of wild birds on the farms. The frequencies of risk factors for poultry and wild bird interactions were high in Olamaboro, Ajaokuta, Dekina, Ofu, Ankpa, Lokoja, Okene, and Ogori-Mangogo local government areas of the State. There is a need to train poultry farmers and sellers of Kogi State on biosecurity practices to reduce the level of poultry and wild bird interactions to prevent the risk of the introduction and spread of avian pathogens by wild birds. Keywords: Interactions, Live bird markets, Pathogens, Poultry, Risk factors, Wild birds INTRODUCTI ON leading to exchange of pathogens (Adene and Oguntade, 2006; Pagani et al., 2008). The interactive exchange of Wild birds are known to be reservoirs of some important pathogens may lead to maintenance and continuous spread avian pathogens and may disperse them to poultry flocks of pathogens and the resultant increase in the virulence of which can affect negatively poultry production due to pathogens that were hitherto quiescent in the wild (Lee et huge economic losses (FAO, 2007). Factors that increase al., 2017). the chance of direct or indirect interactions between wild Surveillance, biosecurity and other control measures birds and poultry can increase the risk of introduction and such as vaccination, treatment, and culling may transmission of avian pathogens from the wild birds to successfully control infection of contagious avian diseases poultry or vice versa (Elmberg et al., 2017). In Kogi State, in domestic poultry but not in wild birds because of the Nigeria, poultry production falls under sector 4 of the difficulty in their applications in a constantly mobile FAO classification of the poultry production systems system (Dhama et al., 2008; Halifa, 2008). Biosecurity is a which corresponds to the village or backyard poultry with day to day routine of management practices with two main inadequate housing and poor biosecurity that may increase objectives which are bio-exclusion and bio-containment the likelihood of poultry and wild birds interactions To cite this paper: Ameji NO, Assam A, Abdu PA, Sa’idu L, and Isa-Ochepa M (2021). Poultry and Wild Bird Interactions: An Assessment of Risk Factors in Kogi State, Nigeria.. J. World Poult. Res., 11 (2): 193-203. DOI: https://dx.doi.org/10.36380/jwpr.2021.23 193 Ameji et al., 2021 through isolation, traffic control, and sanitation of the farm fishing, and trading (Kogi, 2009). The population of (Dhama et al., 2008; USAID, 2009). Hence, biosecurity poultry in the State is estimated to be 3,685,211 with can only be effectively applied in a closed system or 91.5% being rural or backyard poultry and the rest being where the environment can be modified which is often commercial poultry (Adene and Oguntade, 2006; Ameji et difficult with wild birds and poultry on free range to a al., 2015). large extent (Dhama et al., 2008). The mobility of wild birds and the challenge of Sample size and sampling method tracking different populations make it of great importance Using Snedecor and Cochran (1989) method, the to identify and focus on the risk factors that favor their alpha level was set at 5% and 50% prevalence was used to presence, interactions, and transmission of pathogens estimate the population proportion in order to calculate the between wild birds and domestic poultry (Gilbert et al., sample size. The sample size calculated was 103 but it was 2008). The use of responses from respondents or expert increased to 108 respondents comprising of 36 rural opinions to risk questions, termed the modified Delphi poultry farmers, 36 backyard commercial poultry farmers, method, to determine incidence and prevalence risk has and 36 poultry sellers which were selected randomly from been a valid tool in predictive risk assessment over a long a list of 140 registered poultry farms and live bird markets period (Kilpatrick et al., 2006; Singh et al., 2018). (LBMs) that was obtained from the Avian Influenza This study collected data through structured Control Program (AICP) Desk office in Kogi State. questionnaires and observations to establish the presence Backyard poultry, according to Pagani et al. (2008), of risk factors for direct and indirect contacts between wild refers to the farming of improved/exotic breeds of poultry birds and poultry which may lead to introduction, (i.e. small-scale farming of improved poultry breed in the maintenance and spread of avian infections as reported backyard). Rural poultry is also called village poultry and elsewhere (Vieira et al., 2009; Singh et al., 2018). The refers to the indigenous or local breed of poultry (Adene study provides baseline data on poultry and wild bird and Oguntade, 2006). interactions which will assist in designing a way for reducing these interactions. The risk factors identified in Administration of questionnaire the study will also be used in developing preventive A semi-structured questionnaire was designed, pre- measures required against the future introduction and tested on 12 respondents, and modified to cover 38 spread of avian pathogens from wild birds to poultry in variables and risk questions. During the administration of Kogi State, Nigeria. questionnaire, respondents gave their consent with the help of the National Animal Disease Information System MATERIALS AND METHODS (NADIS) agents in each of the LGAs. The respondents were from 12 LGAs grouped into 3 Study area agro zones designated as zones A, B, and C based on The study area was Kogi State of Nigeria which lies similarities in culture, contiguity, geographical features, between Latitude 6°44'-7°36'N and Longitude 7°49' - and agricultural activities. Each zone has 4 LGAs, zones A 8°27'E situated at a height of about 789 km above sea and B constituting areas of high backyard commercial level and covering a land area of 29,833 Km2. The State is poultry activities including the State capital situated within bordered by nine States with the Federal Capital Territory the central and western flanks of Kogi State which and Niger State on the north, Benue and Nasarawa States included Adavi, Ajaokuta, Ijumu, Kabba/Bunu, Lokoja, on the east, Ekiti and Kwara States on the west, Edo, Mopamuro, Ogori-Mangogo, and Okene LGAs. Zone C Anambra and Enugu States on the south. constitutes areas with mostly rural poultry and few The vegetation of Kogi State is guinea savannah on backyard commercial poultry farms situated within the the north and a belt of rain forest on the southern fringe eastern flank of Kogi State which included Ankpa, with rivers Niger and Benue passing through the State, Dekina, Ofu, and Olamaboro LGAs. Zones A and B had which later converged at a point to form a confluence. The similar cultural and farming systems and were grouped as annual rainfall ranges from 1100-1250 mm starting from A+B which was compared with zone C. April to October (Kogi, 2009; Ameji et al., 2015). The questionnaire was administered by interview to The State has a total of 21 Local Government Areas 3 backyard poultry farmers, 3 live bird marketers, and 3 (LGAs) with a human population of 2,099,046 and major rural poultry farmers in each of the 12 LGAs to obtain data economic activities of the people being crop farming, about the type of poultry being kept, the level of 194 J. World Poult. Res., 11(2): 193-203, 2021 biosecurity and husbandry practices, spillage of feed factors for poultry – wild bird interactions in Zone C during feeding of poultry, disposal of litter or dead poultry against Zones A + B. For all analyses, a p-value of < 0.05 in refuse dump, presence of water body or fish pond near was taken as significant.