Impact of forage introduction on cattle grazing practices and crop–livestock systems: a case study in an upland village in northern Laos
Khamphou Phouyyavong A B D , Shinsuke Tomita C and Satoshi Yokoyama A
+ Author Affiliations
- Author Affiliations
A Graduate School of Environmental Studies, Nagoya University, Environmental Studies Building, Furo-cho 510, Chikusa-ku, Nagoya 4648601, Japan.
B National Agriculture and Forestry Research Institute.
C Asian Satellite Campuses Institute, Nagoya University Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan.
D Corresponding author. Email: khamphou_p@hotmail.com
The Rangeland Journal 41(4) 323-334 https://doi.org/10.1071/RJ18102
Submitted: 1 November 2018 Accepted: 19 May 2019 Published: 10 August 2019
Journal Compilation © Australian Rangeland Society 2019 Open Access CC BY-NC-ND
Abstract
Lao smallholders are experiencing livestock grazing land constraints due to resettlement, increasing cattle numbers and commercial cash crop plantations. In this paper we describe changes in cattle grazing systems in an upland village in northern Laos, including the role of forage crops and their effects on cattle productivity. We interviewed 92 Hmong and Khmu households about their migration history, cattle grazing practices, cattle productivity and other livelihood activities. In addition, we measured the heart girths of 231 cattle. We found that the traditional free-range cattle grazing has diverged into three distinct systems incorporating fields fenced to different degrees. Although none of the three systems increased cattle body size, the forage pasture and swidden-farming system successfully increased the grazing capacity compared with other systems. Thus, this method appeared to be the most suitable for Hmong smallholders to manage crop and cattle production in the context of land constraints. Efforts should be made to examine how the newly implemented systems could attenuate villager livelihood and pre-emptively address the problems associated with degrading fallow land.
Additional keywords: crop–livestock system, forage, land use, rotational grazing, swidden farming.
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