7 = 



FIELD JiCTIVITIBS. 



The fish was introduced In the province of Ohumporn, In 

 1938, Farmers were first advised to try the- pond cultivation 

 following the directions given "by the department. Owing, to 

 adverse conditions of the region, namely the site, the in- 

 sufficient supply of water thrcugiiout the year, and the sut / 

 Jection to flooding during the rainy season, the procedure of 

 sepat slam cuitLivation in Malaya was later adopted. It is 

 reported that the fish thrive, well in ponds, ditches, and 

 swamps.. Now fresh pla salid is found- on sale in the Ghximporn 

 market, Projaa Ghumpgrn, the fish finds its way down to Surat 

 and Pataiung. 



In 19^0, some pla salid were taken up north to Lampang, 

 Chiengral, and Ghlengmai. It is reported that the fish, adapt 

 itself well to the climatic conditions, of Northern Siam. 



In 19^2, the fish was liberated in a large swamp, known 

 as Nong Harn in the province of Sakol Nakcrn, It is now 

 in ditches, hog-s and ponds. 



In iSkh, the department tried to raise pla salid in an 

 acre of paddy farms at the Bangk-Khen.Pishpond- Station. The 

 farm was so prepared 'that it cduldbe supplied with water up 

 to 50 centimetres in depth and was also provided with a small 

 pond, 2 metres wide, 5 metres long, and one metre -deep. This 

 pond served' as .a retreat for. the fish when water recoded. 

 1,500 pla salid, having the totial weight of ■ 5.9 kilograms , 

 were put into the pond, .and were fed with cooked rice-bran 

 and Ipomea -for 'i|. months. The fish were collected after the 

 harvest of rice, and 873 of them weighing I8.75 kilograms 

 were reclaimed. 



It was .fcimd that , .wa.t-er in the experimenting farm per- 

 colated -fast , and could only be ma.intained at I7 . centimetres 

 in depth; Anabas and Ophicephalus ■ were also prevalent. They 



