1. Effect of Different Antioxidants on Quality of Cryopreserved Boar Semen in Different Breeds

K. Kaeoket, K. Tantiparinyakul, W. Kladkaew

P. Chanapiwat and M. Techakumphu ……………………………….…………..……....... 1

2. Diversity of Soil-Litter Insects: Comparison of the Pselaphine Beetles (Coleoptera: Staphylinidae: Pselaphinae) and the Ground Ants (Hymenoptera: Formicidae)

W. Sakchoowong, W. Jaitrong, K. Ogata, S. Nomura and J. Chanpaisaeng…………..…………………………………………...………..….... 11

3. The Effect of Dose and Route of Administration of D-cloprostenol and Cloprostenol on the Parturient Response of Sows

P. Chanapiwat and K. Kaeoket ………………..……………………………..……..….... 19

4. The Effect of Hydrogenated Fat or Ca-Salt of Fatty Acids on Milk Yield, Composition and Milk Fatty Acid of Dairy Cows during Mid Lactation

P. Lounglawan, K. Chullanandana and W. Suksombat ………………………..……....... 29

5. Aphid Parasitoids Sampled by Malaise Traps in the National Parks of Thailand (Hymenoptera, Braconidae, Aphidiinae)

P. Starý, M. Sharkey and C. Hutacharern …………………………………..……...….... 37

6. Effect of Straw Management and Nitrogen Fertilization on Root Growth and Root Characteristics of Wheat through Raised Bed System on a Low N Calcareous Soil of Bangladesh

M.I. Hossain, M. Osaki, M.S. Haque, M.M.H. Khan

N.M. Rahmatullah and M.H. Rashid………………………………………..…….…….... 45

7. Genotype and Environment Interaction of Low-chill Peaches and Nectarines in Subtropical Highlands of Thailand

S. Promchot, U. Boonprakob and D.H. Byrne…………………………………..…..….... 53

8. Organic Asparagus Production as a Case Study for Implementation of the National Strategies for Organic Agriculture in Thailand

S. Lorlowhakarn, S. Piyatiratitivorakul and W. Cherdshewasart …………………………………..…………………………....... 63