ISAE - 2012 http://ir.lib.ruh.ac.lk/handle/iruor/13706 2026-04-18T06:52:21Z 2026-04-18T06:52:21Z http://ir.lib.ruh.ac.lk/handle/iruor/13992 2023-08-09T05:41:29Z 2013-03-15T00:00:00Z

Cover page

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Content Pages

2013-03-15T00:00:00Z http://ir.lib.ruh.ac.lk/handle/iruor/13990 2023-08-09T05:35:42Z 2013-03-15T00:00:00Z

Preliminary Pages

2013-03-15T00:00:00Z De Silva,W. Kumara http://ir.lib.ruh.ac.lk/handle/iruor/13989 2024-10-16T07:20:58Z 2013-03-15T00:00:00Z

Present scenario and issues in relation to livestock production systems and challenges ahead (Key Note Speech) De Silva,W. Kumara Availability of land for habitat, forest cover and agricultural production are very much limited in the world and it is almost one fifth ofthe entire surface ofthe globe. As of today, it is estimated to number the population of the world to be 7.069 billion by the (USCB). The USCB estimated that the world population exceeded 7 billion on March 12,2 0 1 2 . The population growth rate peaked at 2.2% in 1963, and had declined to 1.1% by 2011 and expected to increase to 80 million per year by 2040. Based on continents the population has been estim ated as A sia-4,140,336,501, Africa 994,527,534, Europe-738,523,843, North A m erica-528,720,588, South A m erica-385,742,554, O ceania-36,102,071, Antarctica-4,490. By and large it could be observed that Asia leads in its population compared to any other continent in the world and therefore always under the severe pressure for demand for resources and natural competition for scarce resource would be inevitable.

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