000			02972nab a22003494ib4500
003			PH-QcNFR
005			20240214105101.0
008			240208c||||||||ph fr j o||||f0 a|eng|d
022	1		_a2672-2836 (Online)
040			_aPH-QcNFR _beng _cPH-QcNFR
100	1		_aValencia, Minda C. _93224
245	1	4	_aThe effect of salinity and temperature on the growth and survival of Penaeid Postlarvae / _cMinda C. Valencia
264		1	_aQuezon City, Philippines : _bBureau of Fisheries and Aquatic Resources , _c1976
336			_atxt _btxt
337			_ac _bc
338			_acr _bcr
347			_atext file _bPDF
504			_aIncludes bibliographical references
520	3		_aThe effect of salinity on the survival and growth of Penaeus monodon (Fabricius), P. semisulcatus (de Haan), P. merguiensis (de Haan) postlarvae was examined. Postlarvae P15 were gradually acciimatcd to the desired salinity before starting the experiments. Minced tuna or lizard fish meat given at a rate of 100% body weight was used as feed. High survival of P. monodon was obtained at 30 ppt salinity; however, growth was faster at 10 ppt. On the other hand, with P. sem;sulcatus, growth and survival rates were higher at 30 ppt. Survival rates for P. marquiensis and M. etuis were the same at the salinity ranges of 10 to ^5 ppt and 10 to 30 ppt, respectively, although lower salinities apparently favored faster growth. With P. japonicus, growth was essentially similar at 10 to 25 ppt; however, survival rates were higher at 20 and 25 ppt. Tolerance of P. monodon, P. semisulcatus, P. merquiensis P japonicus, M. ensis and M. endeavourr to sudden changes in salinity was also examined. Post larvae were held at a given salinity and transferred to salinities higher or lower than the initial salinity. Results showed wide salinity tolerance of all species examined. Preliminary studies on the effect of temperature-salinity combination on P. monodon postlarvae were also conducted. Post- fervae were subjected to three temperatures: 21-23°C, 25-30°C and 33-35°C and three salinity levels: 10, 20 and 30 ppt. Results suggest that both salinity and temperature interact to affect growth and survival of P. monodon. A combination of low to intermediate temperature and intermediate to high salinity gave higher survival; however, low salinity-high temperature combination favored faster growth.
546			_aeng _beng
650		0	_2AGROVOC _aPrawns and shrimps _93246
650		0	_2AGROVOC _aPenaeus _93247
650		0	_2LCHS _aShrimps _xGrowth _93250
650		0	_2AGROVOC _aPrawn culture _93248
650		0	_2AGROVOC _aShrimp culture _91449
650		0	_2AGROVOC _aSalt tolerance _93351
650		0	_2AGROVOC _aTemperature effects _93352
650		0	_2LCSH _aSalinity _93353
650		0	_2Ocean salinity
773	0		_078 _9145 _aPhilippines. _oIRC00019 _tThe Philippine Journal of Fisheries _x2672-2836 (Online) _gVolume 14, Issue no. 1 ( 1976), page 1 - 22
942			_2lcc _n0 _cJA _iIMC000112
999			_c883 _d883