نتایج جستجو برای: postlarvae age pl12 and stocking density 37
تعداد نتایج: 16939133 فیلتر نتایج به سال:
abstract listening is a key and main tool in second language skill and its development is of prime concern to teachers and learners. furthermore, the application of technology in language classrooms has become more commonplace in the last fifty years. computer and the internet have made foreign language materials easy to access and use. so, the present study is an attempt to examine the effec...
aim: aim of present study was to review the effect of eight weeks aerobic training on visfatin total cholesterol and high density lipoprotein of middle age females. materials and methods: for these purpose 30 females (mean age 48/73±9/44 y, height 156/03±5/6 cm and weight 68/37±10/57 kg) who attend in odd day’s morning sport class of hejab gymnasium of shiraz city after fill health and informed...
Selective breeding of rohu, Labeo rohita to Aeromonas hydrophila infection requires a challenge model to obtain LD50 dose and study of bacterial persistence in survivors’ tissues. Fish were bath challenged with various routes viz., only immersion, after scale removal (with and without high stocking), after skin abrasion (with and without high stocking), under only high stocking density and afte...
A computerised database containing information on over 17.8 million salmon contained within 49 separate marine populations was used to study the epidemiology of pancreas disease (PD) in Ireland. Of the 43 recorded PD outbreaks, 57% occurred in the 3 mo period August to October inclusive (17 to 32 wk post-transfer). Analysis of variance of mortality rates during PD outbreaks occurring on 6 marin...
Background: Preeclampsia is one of the most common complications of pregnancy. It is the cause of high morbidity and mortality for mothers and fetuses, especially in developing countries. The etiology of preeclampsia is unknown. One of the hypothesis on pathophysiology of preeclampsia is dyslipidemia. The aim of this study was to determine maternal plasma levels of lipoproteins in patients with...
The effect of stocking density (10, 31.6 and 100 larvae l ; three replicates per treatment) on the day-by-day dynamics of survival, growth and cannibalism was examined in sibling perch larvae reared from eyed-egg stage in 100-l cages (16L:8D, 20.0F 0.5 jC, O2z 6.0 mg l ; feeding in excess with live Artemia nauplii during the photophase) during the first 3 weeks of exogenous feeding. Larvae unab...
grey mullet (mugil cephalus) is an important food fish species in the, mugilidae which is able to adapt in a wide range of salinities and temperatures and is suitable for introduction of the species to freshwater, brackish, and brine waters for aquaculture. this study was implemented to determine appropriate normative of stocking density and initial weight ofmugil cephalus and also evaluate eff...
Experiments were carried out to study the effects of ammonia and nitrite on food consumption Macrobrachium amazonicum postlarvae. Postlarvae (average weight 0.0625 g) exposed during 21 days four concentrations total (0, 1.05, 2.1 4.2 mg. NH3+NH4+ L-1) 0.075, 0.15 0.30 mg N-NO2- L-1). After exposure period, six prawns per treatment maintained individually in 250 mL experimental units analyze as ...
Three opening sizes (0.25, 0.625, and 1.0 ac) and three site preparation methods (herbicides, mechanical, and an untreated control) were tested in a pine-hardwood stand dominated by loblolly and shortleaf pines ( Pinus taeda L. and P. echinata Mill.) and mixed oaks ( Quercus spp.) that was being converted to uneven-aged structure using group selection. The study was a 3x3 factorial in a randomi...
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