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Recent Articles

EFFECT OF ENVIRONMENTAL STRESS ON CHANGES IN SOME HAEMATO-BIOCHEMICAL PROFILES IN A TELEOSTEAN FISH CHANNA STRIATUS (BLOCH).

http://anveshika.org/proceedings-of-the-zoological-society-of-india/wp-content/uploads/sites/2/2018/12/5Dec-2018-curve.pdf

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Studies on sublethal concentration of Carbofuran (a carbamate pesticde) and Ekalux EC 25 (an organophosphate pesticide) on changes in some haemato-biochemical parameters in an air breathing fish, Channa striatus (Bloch) were made. In control group of fishes, the values of blood glucose, plasma protein and blood urea were 68.92±1.23; 4.92±0.36 and 29.32±1.3 mg/100m1 of blood respectively. The exposure of fishes to sublethal concentrations of both the pesticides for 96 hrs caused significant increase in blood glucose and blood urea but significant decrease in plasma protein. The reason for such changes has been discussed in this paper

STUDIES ON RELATIVE ENERGY BUDGET IN DIFFERENT WEIGHT GROUPS IN MYSTUS CAVASIUS (HAM.)

http://anveshika.org/proceedings-of-the-zoological-society-of-india/wp-content/uploads/sites/2/2018/12/4Dec-2018-curve.pdf

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Studies on relative energy budget in different weight groups in a fresh water siluroid fish, Mystus cavasius (Ham.) has been made at water temperature 30.0±1.0°C. The total energy available in feed (C)/day/fish ranged from 2192.4 Joules (in 12.2g fish) to a value of 26989.2J (in 102.0g fish). The percent energy value ranged from 12.3-13.6, 7 (fixed), 35.2-36.8, 36.0-43.3 and 0.6-8.2% respectively in faeces (F), Urine formation (U), growth (P), respiratory metabolism (R) and miscellaneous activities (M.A.). The details have been discussed in this paper.

EFFECT OF SUBLETHAL CONCENTRATIONS OF NUVAN ON CERTAIN HAEMATOLOGICAL VALUES OF FRESH WATER FISH, ANABAS TESTUDINEUS (BLOCH)

http://anveshika.org/proceedings-of-the-zoological-society-of-india/wp-content/uploads/sites/2/2018/12/3Dec-2018-curve.pdf

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Studies on the effect of Nuvan (Dichlorvos 76% EC-an organophosphate pesticide) on changes in certain haematological values were made in a fresh water air breathing climbing perch, Anabas testudineus (Bloch). The control level of different haematological values in the blood of this fish such as- RBC counts, Hb content, PCV, MCH, MCV, MCHC, ESR, CT and leucocyte (WBC) counts were respectively 3.46±0.07 (million/mm3), 11.7±0.12g%, 46.8±2.43%, 32.94pg, 135.26pm3, 24.675%, 2.9mm/h, 24.35±0.023 and 4.6±0.67 104/mm3. The acute exposure (96 hrs) of Nuvan at sublethal dose (15 mg/I) caused reduction in RBC counts, Hb content, PCV, MCH, MCV, ESR and WBC counts and an increase in the values of MCHC CT, small lymphocytes and Neutrophil % as compared to control. The reason for such changes has been discussed in this paper.

FURADAN INDUCED HISTOPATHOLOGICAL AND HISTOCHEMICAL CHANGES IN THE INTESTINE OF MACROGNATHUS ACULEATUS (BLOCH)

http://anveshika.org/proceedings-of-the-zoological-society-of-india/wp-content/uploads/sites/2/2018/12/2Dec-2018-curve.pdf

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In the present work an attempt has been made to evaluate the toxic effect of Furadan (a carbamate pesticide) on histopathological and histochemical changes in the intestine of a fresh water mud eel, Macrognathus aculeatus (Bloch) at sublethal concentrations (0.6, 0.80 and 0.90 ppm) for 10 and 20 days expsoures. Such treatment caused the changes in normal architectural plan of intestine. The orientation of villi was disturbed and villi were disorganised, reduced, flattened and inflated at the base. The villi tips were ruptured leading to the exudation of mucous in the lumen. The lamina propria became fibrous and odema appeared in it. The concentration of the mucosal cells with underlying connective tissue was severed making the mucosa to hand freely into the lumen. Other changes noticed were autolysis of submucosa, highly broken and ruptured villi, histolysis of columnar cells, lymphocytic infilteration and also the hyper activity of mucous cells were obvious. With the use of certain stains such as PAS, Bromophenol blue and Best carmine etc, changes in intensity of stains for carbohydrate, protein and glycogen test have been studied in control and Furadan intoxicated fishes. The details have been discussed in this paper.

STUDIES ON THERMAL STRESS AND COMPENSATORY METABOLIC REGULATION IN A FRESH WATER MUD EEL

http://anveshika.org/proceedings-of-the-zoological-society-of-india/wp-content/uploads/sites/2/2018/12/1Dec-2018-curve.pdf

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Mastacembelus armatus (Lac) has bimodal gas exchange mechanism as the fish uses both the gills and skin to obtain 02 from water. The skin can obtain 02 both from water as well as air. 02 consumption in this mud eel have been determined by the method as followed by Kumar and Ahsan (2018) at the water temperature 20.0±1.0°C (winter) and 30.0±1.0°C (Summer). The statistical relationship between 02 consumption (V02) vs. body weight during winter (20.0±1.0°C) and summer (30.0±1.0°C) months are represented by the equation :- V02 (ml/hr) = 0.1397.14/97286 and V02 (ml/hr) = 0.219514r1° respectively. The details have been discussed in this paper in the light of thermal compensatory metabolic regulation in this fish.

STUDIES ON SOME ASPECTS OF BIOENERGETICS IN A TELEOSTEAN FISH IN CHANNA STRIATUS (BLOCH) : ENERGY VALUE OF METABOLISM (RESPIRATION)

http://anveshika.org/proceedings-of-the-zoological-society-of-india/wp-content/uploads/sites/2/2018/07/12-June-18.pdf

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In the present work an attempt has been made to study energy value of metabolism (respiration or oxygen consumption) in a fresh water teleostean fish, Channa striatus (Bloch) at water temperature 29.5±1.00C. The energy value of total metabolism (R) ranged from 723.1-10390.3 Joule/day/fish within the weight range 9.3 to 103.0 gram fish. The percentage of total energy of food (C) used in the metabolism (R) ranged from 36.0-40.7% with a clear trend of decrease in R value with increasing body weight. The details have been discussed in this paper.

HISTOPATHOLOGICAL CHANGES INDUCED IN THE LIVER OF MYSTUS TENGARA (HAM.) AFTER EXPOSURE TO CHLOROXURON

http://anveshika.org/proceedings-of-the-zoological-society-of-india/wp-content/uploads/sites/2/2018/07/11-June-18.pdf

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The present study was carried out to evaluate the toxic effect of Chloroxuron (a weedicide) on histopathological changes in the liver of a fresh water teleostean fish, Mystus tengara (Ham.) at sublethal concentrations (0.75 and 0.85 ppm) for 10 and 20 days. After such treatment the liver showed disintegration of hepatic cells, separation of the hepatic cells from the blood vessels and proliferation in the pancreatic tissues with broken blood vessels and atrophy in the nucleus of hepatic cells with broken hepatic cells as compared to control. The details have been discussed in this paper.

CARBOFURAN INDUCED IMPAIRMENT IN HAEMATOLOGICAL INDICES IN CHANNA STRIATUS (BLOCH)

http://anveshika.org/proceedings-of-the-zoological-society-of-india/wp-content/uploads/sites/2/2018/07/9-June-18.pdf

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In the present work an attempt has been made to study the acute and chronic exposure of a carbamate pesticide, carbofuran on different haematological parameters in an air breathing fish Channa striatus (Bloch). Treatment of sublethal concentration (0.80 mg/I) of carbofuran caused an early increase in RBC count, Hb content and MCHC and decrease in PCV, MCV, MCH and ESR i.e. upto 96 hrs but after 10 days RBC count increased being normal on 30 days. MCV, MCH, MCHC and ESR showed decreasing trend. Recovery studies were also conducted. The details have been discussed in this paper.

STUDIES ON FUNCTIONAL EFFICACY OF THE GILLS OF A HILL STREAM FISH, GARRA GOTYLA (GRAY)

http://anveshika.org/proceedings-of-the-zoological-society-of-india/wp-content/uploads/sites/2/2018/07/10-June-18.pdf

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This papers deals with oxygen uptake capacity of gills in relation to body weight in a hill stream fish, Garra gotyla (Gray). It was found that oxygen consumption (VO2) increases with the increase in body weight while V02/g/h decreases with the increase in body weight of the fish. The details have been discussed in this paper.

STUDIES ON SOME ASPECTS OF ENERGY BUDGET IN AN AIR BREATHING FISH, MYSTUS CAVASIUS (HAM.) : DAILY FOOD INTAKE AND FAECAL PRODUCTION

http://anveshika.org/proceedings-of-the-zoological-society-of-india/wp-content/uploads/sites/2/2018/07/8-June-18.pdf

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Studies on daily food intake, energy value of ration, total faecal discharge, energy value of faeces and excretory product (U) have been made in different weight groups of an air breathing catfish, Mystus cavasius (Ham.). The above parameters ranged from 0.58-7.14 glfish/day, 2192.4 – 26989.2 joules, 0.071­0.791 g/day/dry wt, 269.66 to 3670.53 joules and 152.07-1889.24 joules respectively within the weight range 12.2 to 102.0g. The details have been discussed in this paper.