Comparison of the sensitivity of Brachionus calyciflorus and Brachionus patulus (Rotifera) to selected heavy metals under low and high food (Chlorella vulgaris) levels.
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Animals↗
Biomedical subjects
S Nandini
Publications and source records attributed to S Nandini.
Effect of methyl parathion-treated prey (Brachionus calyciflorus) on the population growth of the predator Asplanchna sieboldi (Rotifera).
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Animals↗
Safety of thrombolysis during menstruation.
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Adult↗
Effect of different densities of live and dead Chlorella vulgaris on the population growth of rotifers Brachionus calyciflorus and Brachionus patulus (Rotifera).
In order to maintain rotifer populations during periods of low algal production, it is necessary to offer alternate diets, some of which include forms of preserved algae. The present work is based on the effect of live and dead Chlorella vulgaris on the population growth of Brachionus calyciflorus and Brachionus patulus. The experimental design consisted of three algal levels (0.5 x 10(6), 1.5 x 10(6) and 4.5 x 10(6) cells ml-1) offered in three forms (living, frozen and heat-killed). The maximal population density values for B. calyciflorus ranged from 55 +/- 1 ind. ml-1 (at 0.5 x 10(6) cells ml-1) to 471 +/- 72 ind. ml-1 (at 4.5 x 10(6) cells ml-1) with live Chlorella, but was much lower (6 +/- 1 to 26 +/- 6 ind. ml-1) with frozen or heat-killed alga under comparable food levels. However, the maximum population density of B. patulus under live or or heat-killed Chlorella was similar at comparable algal levels but when offered frozen algae it was four times less. The highest mean peak population density was 1,277 +/- 83 ind. ml-1 under 4.5 x 10(6) cells ml-1. The rate of population increase for B. calyciflorus varied from 0.50 to 0.79 using live Chlorella, but under comparable conditions, this range was lower (0.21 to 0.31) for B. patulus. Results have been discussed in light of possible application for aquaculture.
Animal Feed↗
Bilateral mandibular canines with type two canals.
Presence of two canals with type II pattern in mandibular canine is around 15%. Even though the incidence rate is high, multiple angled diagnostic radiographs are not regularly taken. This article highlights the importance of multiple angled radiographs and indicates that the dentist should have a mind set to look out for extra canals in all root canal cases.
Cuspid↗