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  • Title: Biosecurity assessment of layer farms in Central Luzon, Philippines.
    Author: Tanquilut NC, Espaldon MVO, Eslava DF, Ancog RC, Medina CDR, Paraso MGV, Domingo RD.
    Journal: Prev Vet Med; 2020 Feb; 175():104865. PubMed ID: 31838402.
    Abstract:
    Biosecurity assessment in poultry farms is important for disease prevention and control. When specific biosecurity measures are assessed, they become more useful if they are quantified. While there are qualitative means to assess biosecurity, specific improvements can be implemented easily when compliance to biosecurity measures are quantified. To quantify biosecurity measures in 124 layer farms in Central Luzon, a survey was carried out using a modified Biocheck.UGent biosecurity scoring system. The study revealed that external and internal biosecurity scores among layer farms in Central Luzon were widely spread out suggesting that compliance to various biosecurity measures differed from farm to farm. This further suggests that layer farms need to improve their biosecurity practices. The overall biosecurity score of layer farms in the region is 65.9 % while the total regional scores for external and internal biosecurity are 63.3 % and 71.9 %, respectively. Bulacan had the highest overall biosecurity across provinces which was followed by Bataan. The two highest mean external biosecurity scores were those of the subcategories, supply of materials (mean = 87.1) and purchase of pullets (mean = 83.7) while the lowest was that of the category, transport of animals (mean = 50.6). In the internal biosecurity category, materials and measures between compartments had the highest mean score. Low to negligible correlations between external and internal biosecurity were seen among layer farms except for the province of Tarlac. This suggests that a farm with low external biosecurity score also had low internal biosecurity score while high external biosecurity score was equated to high internal biosecurity score. Analysis also showed that large commercials farms had biosecurity ratings that were 6.84 higher compared to small commercial farms. Results of this study may be beneficial for farmers to make necessary improvement to increase level of compliance to biosecurity measures. Policies to impose, implement and monitor compliance may also be instituted.
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