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Publications in peer-reviewed journals

Inthapanya S and Preston T R 2014: Methane production from urea-treated rice straw is reduced when the protein supplement is cassava leaf meal or fish meal compared with water spinach meal in a rumen in vitro fermentation. Livestock Research for Rural Development. Volume 26, Article #159. http://www.lrrd.org/lrrd26/9/sang26159.html

Phanthavong V, Viengsakoun N, Sangkhom I and Preston T R 2014: Cassava pulp as livestock feed; effects of storage in an open pit. Livestock Research for Rural Development. Volume 26, Article #169. http://www.lrrd.org/lrrd26/9/phan26169.htm

Thang P D and Preston T R 2014: Solar panels for decentralized production of electricity; direct use in a 12V refrigerator requires less energy than when the current is inverted for a 230V AC refrigerator. Livestock Research for Rural Development. Volume 26, Article #171. http://www.lrrd.org/lrrd26/9/than26171.html

Dao Thi My Tien, Ngo Thuy Bao Tran, Bui Phan Thu Hang and T R Preston 2014 Performance of common ducks fed an ensiled mixture of banana pseudo stem and taro (Colocacia esculenta) foliage as a supplement to restricted rice bran and ad libitum fresh duckweed; Livestock Research for Rural Development.  Volume 26, Article #193. Retrieved , from  http://www.lrrd.org/lrrd26/11/tien26193.html

Thu Hien P T, Preston T R, Lam V and Khang D N 2014: Vegetable waste supplemented with human or animal excreta as substrate for biogas production. Livestock Research for Rural Development. Volume 26, Article #176. http://www.lrrd.org/lrrd26/10/hien26176.html

Phanthavong V, Viengsakoun N, Sangkhom I and Preston T R 2015: Effect of biochar and leaves from sweet or bitter cassava on gas and methane production in an in vitro rumen incubation using cassava root pulp as source of energy. Livestock Research for Rural Development. Volume 27, Article #72. http://www.lrrd.org/lrrd27/4/phan27072.html

Inthapanya S and Preston T R 2015: Effect of source of supplementary dietary protein and feed offer level (ad libitum or restricted) on feed intake, digestibility and N balance in local “Yellow” cattle fed rice straw treated with urea as basal diet. Livestock Research for Rural Development. Volume 27, Article #45. http://www.lrrd.org/lrrd27/3/sang27045.htm

Manivanh N and Preston T R 2015: Protein-enriched cassava root meal improves the growth performance of Moo Lat pigs fed ensiled taro (Colocacia esculenta) foliage and banana stem. Livestock Research for Rural Development. Volume 27, Article #44. http://www.lrrd.org/lrrd27/3/noup27044.html

Silivong P and Preston T R 2015: Effect of water spinach and biochar on methane production in an in vitro system with substrate of Bauhinia acuminata or Bitter Neem (Azadirachta indica) leaves. Livestock Research for Rural Development. Volume 27, Article #57. http://www.lrrd.org/lrrd27/3/sili27057.html

Silivong P and Preston T R 2015: Growth performance of goats was improved when a basal diet of foliage of Bauhinia acuminata was supplemented with water spinach and biochar. Livestock Research for Rural Development. Volume 27, Article #58. http://www.lrrd.org/lrrd27/3/sili27058.html 

Phuong L T B, Khang D N and Preston T R 2015: Methane production in an in vitro fermentation of cassava pulp with urea was reduced by supplementation with leaves from bitter, as opposed to sweet, varieties of cassava. Livestock Research for Rural Development. Volume 27, Article #162. http://www.lrrd.org/lrrd27/8/phuo27162.html

Inthapanya S, Preston T R and Khang D N 2015: Methane production was reduced when cassava root (Manihot esculenta, Crant) was ensiled rather than dried, and when cassava leaves replaced water spinach (Ipomoea aquatic) as the protein source, in an in vitro rumen fermentation. Livestock Research for Rural Development. Volume 27, Article #183. http://www.lrrd.org/lrrd27/9/sang27183.htm

Progress reports

Preston T R and Vongsamphanh P 2015 Fattening cattle in Lao PDR with cassava pulp. Improving Livelihood and Food Security of the People in Lower Mekong Basin through Climate Change Mitigation (MEKARN II Program). Retrieved from http://www.mekarn.org/2014/reports/MAF.Lao.PDR.may2015.html