Necessities of agricultural extension in systems of dual purpose bovine cattle raising.: In the Rosario of Perija Municipality, Zulia state, Venezuela.

The purpose of the present investigation was to determine necessities of agricultural extension, in cattle systems of dual purpose of the Municipality Rosario of Perija, Zulia State, Venezuela; to design futures extension programs. For that reason, a sample was selected statistically representative, following a random sampling stratified with proportional afijation, whereas clause the size of the flock for property in Animal Unit (UA) between 20 and 2000 like selection criterion, being population object of study constituted by five layers that correspond to a total of 518 and one shows respectively of 43 units of production. For the data collection observations of field, interviews and survey were made, information related to each item was obtained and they were analyzed applying the statistical program SAS. The main necessities of agricultural extension that it affects the agrarian system of the Municipality are: institutional support receives it in 9.1%, organization 20%, environmental contamination 69.2%, technological criteria 33.2% and family participation 30.2%. Reason for which the State must be led the search of solutions to facilitate and to solve the problems before mentioned: by means of a normative frame, political and suitable regulations, educative infrastructure, of qualification, communication and efficient information, and by means of specific stimuli to foment strategic alliances, innovating companies, investigation and experimentation and to support the formation and implementation of projects.