Factors Influencing Linkage in the Use of Maize as Animal Feed for Pig Households in Son La Province, Vietnam

This study was conducted in Son La province to evaluate factors affecting thelinkage in the useofmaize as animal feed for pig keeping households. Data for the study were gathered from 690 pig farming households in Van Ho, Moc Chau and Mai Son districts (Son La province) by direct interviews. The chi-square test was used to test the difference in characteristics between groups of pig farming householdsengaging inlinkage and those that were notengaging in linkage. In addition, probit model was employed to measure factors affecting linkage in the use of maize as animal feed for pig farming households. It was found that therewas significant difference between income of households with linkage and income of households without linkages in the use of maize as animal feed. Moreover, research results also showedthat the education level, gender, ethnic group, social position of the household head, and livestock production scale hadsignificantly positive impact households’engagement in linkage whereas the age of the household head and number of household member significantly exhbited negative effects on households’to linkage engagement. To improve linkage, relevant policy implications were suggested.