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Recent Articles

ICHTHYOFAUNAL DIVERSITY AND LIMNOLOGICAL STUDY OF RIVER RUPNARAYAN AT PURBA MEDINIPUR DISTRICT (W.B.)

http://anveshika.org/proceedings-of-the-zoological-society-of-india/wp-content/uploads/sites/2/2019/06/2-june-19.pdf

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The fish community of the Rupnarayan river in relation to limnological parameters was studied by monthly samples taken from June-2016 to May-2017. This river is located at 220 25′ N latitude and 87052’E longitude situated at near Kolaghat of Purba Medinipur district of West Bengal. The riverine water is used for producing electricity of kolaghat thermal power station (KTPP), fishery and tourism activities. Fish collections were made with gill nets of standardized dimensions with several mesh sizes. Twenty three (23) fish fauna identified during the study belongs to Cyprinidae 8 species, Clupeidae, Bagridae and Siluridae with each 2 and 3 species and a species each of Engrauilidae, Gobiidae, Mastacembelidae, Ammassidae, Polinemidae, Schilbeidae, Anguilidae, and Mugilidae respectively. The Shanon- Weiner diversity index of up and down stream sampling station indicated a strong relationship with overall species richness showed variation and ranged from 3.00 to 2.83. The most dominant order Cypriniformes (29%) found to be dominant with 8 fish species followed by Siluriformes (25%) 6 species and Clupeiformes (23 %) 3 species. The species diversity is climax in post monsoon, coinciding with favourable conditions such as sufficient water and ample food resources. The diversity was low in pre monsoon probably due to the shrinkage of the water spread of the river. The high value of dissolved oxygen united with low biochemical oxygen demand and other nutrient levels indicate that the water body is moderately oligotrophic in nature. To put aside this diversity and to develop a sustainable fishery practices and proper documentation leading to diversity information system is an insistent need.

ENDOMETRIOSIS: PRONOUNCING IN REPRODUCTIVE WOMEN WITH ROLE OF ESTROGEN AND AROMATASE

http://anveshika.org/proceedings-of-the-zoological-society-of-india/wp-content/uploads/sites/2/2019/06/1-June19.pdf

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1june19

Endometriosis is a disease condition where endometrial glands and tissues are present outside its uterine location mainly in pelvic peritoneum and on fallopian tubes and ovaries. It affects about 5-10% of women of reproductive phase and 20-50% of women who are suffering already with infertility. In the present article our aim is to review prevalence, causes and clinical characteristics for endometriosis. Overall updated literature survey showed that many factors such as hormonal, environmental, genetic and defective immune system are involved in the pathogenesis of endometriosis. These factors directly or indirectly alter the estrogen level which is responsible for varied and disabling symptoms with adverse effects on reproductive potential of women.

GEOGRAPHICAL DISTRIBUTION AND SPECIES DIVERSITY OF FAMILY DROSOPHILIDAE IN NORTH CHOTANAGPUR, JHARKHAND

http://anveshika.org/proceedings-of-the-zoological-society-of-india/wp-content/uploads/sites/2/2019/06/5june19.pdf

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The species of family Drosophilidae is a well known and documented experimental organism in almost in every field of biological science. Revolving around the study of geographical distribution and species diversity of this family, seven districts of North Chotanagpur were surveyed which revealed the occurrence of a total 2909 flies. Taxonomically, the collected species belong to four different genera and twenty species. Moreover, the species are more abundant and diversified in Hazaribag showing negative correlation with the temperature (r = -0.824) and positive correlation with the altitude (r = 0.94). The least abundance was shown in Dhanbad. The result of biodiversity indices indicates the species diversity in the order of HZ> KO> GR> BK> DN> CH> RM.

HISTOLOGY OF FRESHWATER PLANARIA (TRICLADIDA: DUGESIIDAE) FROM NORTHERN WESTERN GHATS, MAHARASHTRA

http://anveshika.org/proceedings-of-the-zoological-society-of-india/wp-content/uploads/sites/2/2019/06/4june19.pdf

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Current study has been carried out to understand detailed histology of Planaria (Dugesiidae) to study its anatomical parts along with a morphometric analysis. Morphometry analyzed the Planaria length as 5 millimeters(mm) with width as 2 millimeters(mm) respectively. The orbital space was recorded as 0.080 millimeters(mm). The Haematoxylin & Eosin stained histological sections revealed the particulars of the anatomy. The 4-8 micrometers(pm) thick sections exposed the exclusively ciliated body wall, simple digestive regions with muscular pharynx. The reproductive areas were located for testes, ovaries and yolk glands in specified areas.

EVALUATION OF GENOTOXIC AND CYTOTOXIC EFFECTS OF BENDIOCARB IN BONE MARROW OF CALOTES VERSICOLOR

http://anveshika.org/proceedings-of-the-zoological-society-of-india/wp-content/uploads/sites/2/2019/06/3-june2019.pdf

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In this study, genotoxic and cytotoxic effects of Bendiocarb were evaluated in the bone marrow of Calotes versicolor, a reptilian model, using chromosomal aberration assay, micronucleus assay and mitotic index. Adult male garden lizards were acclimatized for one week in the laboratory and then injected intraperitoneally with a daily dose of 5.3 mg/kg body weight (1/3rd LD50) of Bendiocarb. Frequencies of CA in the form of gaps increased significantly (1,3 0.005) after 14th day of treatment. Breaks, deletions and additions were increased significantly (P 0.05) after 21st day. MN frequencies increased significantly (1:3 0.05) after 14th day. No significant change in frequencies of MI was observed till 14th day. However, after 21st day MI frequencies decreased significantly (0.05) in the treated group. This study thus, reveals that bendiocarb induces genotoxicity and cytotoxicity in a time dependent manner in the bone marrow cells of Calotes versicolor. The study also reveals the sensitivity of CA, MN and MI as significant bioassay for genotoxicity and cytotoxicity assessment.

INVESTIGATIONS IN HAEMATOLOGICAL INDICES OF FISHES

http://anveshika.org/proceedings-of-the-zoological-society-of-india/wp-content/uploads/sites/2/2018/12/21Dec-2018-curve.pdf

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It is a well known fact that blood parameters act as reliable indicators of fish health. In present studies, we have focused on hematological profile of different fish species. Haematological changes i.e. shape change of erythrocytes, thrombocytes and lymphocytes etc. are well known for their clinical value in prognosis and diagnosis. As hematopoiesis between fish and mammals is highly conserved, the fish can, thus, serve as an attractive model to study hematological changes in response to external environment stressors. Thus, the study of piscian haematological indices can not only be effectively used in fish health management but also in formulating mitigation measures against aquatic pollutants as well.

STUDY ON LATERAL NEUROSECRETORY PATHWAY AND THE NERVI CORPORIS CARDIAC! EXTERN! IN NEUROENDOCRINE SYSTEM OF PRE COPULATING FEMALE SPILOSTETHUS PANDURUS (SCOPALI)

http://anveshika.org/proceedings-of-the-zoological-society-of-india/wp-content/uploads/sites/2/2018/12/20Dec-2018-curve.pdf

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In the brain of pre-copulating female Spilostethus pandurus, Locus-3 has lateral neurosecretory cells which are observed in two groups, each of 2-4 cells arranged symmetrically on either side of locus-3. The axons of lateral neurosecretory cells (LNSC) form the lateral neurosecretory pathway and nervi corporis cardiaci externi (NCC II). The axons of LNSC run directly and do no decussate in the brain and come out independently through the ventral surface of protocerebrum as short paired NCC II. The NCC II of each side innervates the corpus cardiacum of its same side in the female Spilostethus pandurus.

STUDIES ON MAINTENANCE ENERGY EXPENDITURE AND ENERGY VALUE IN GROWTH MATERIALS IN TELEOSTEAN FISH, CHANNA GACHUA (HAM.)

http://anveshika.org/proceedings-of-the-zoological-society-of-india/wp-content/uploads/sites/2/2018/12/19Dec-2018-curve.pdf

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In the present work an attempt has been made to study some aspects of bioenergetic modelling with special reference to the assessment of maintenance energy expenditure and energy value in growth materials in a teleostean fish, Channa gachua (Ham.). Over all maintenance energy expenditure in this fish ranged from 62.3% or 1522.5 Joules (J) in 16.3g fish to a value of 64% or 17094.4J (in 104.0g fish). The energy value utilized for growth/production (P) ranged from 37.7% or 917.5J (in 16.3g fish) to a value of 36.0% or 9615.6J (in 104.0g fish) of the total energy available in food (C). The details have been discussed in this paper.

ASSESSMENT OF SEASONAL VARIATION OF PHYSICO- CHEMICAL STATUS OF KAMLA DHAR OF KOSI ZONE (BIHAR)

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

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Physico-chemical status of Kamla dhar of Katihar (Kosi zone) were investigated during March 2015 to April 2016. The result revealed well defined seasonal variation. Relatively high temperature, high value of dissolved oxygen and highest production range of alkalinity were observed which are favorable factors for the production of air breathing fishes. On the basis of present study, parameters the river water appears to be of moderate trophic level. On the whole river is getting pollute due to intense human activities and influence infusion of foreign materials from the surroundings. These materials mainly comprise of decomposable organic matters of plants and animals, terrestrial washing and effluents.

SCREENING THE ANGIOTENSIN CONVERTING ENZYME INHIBITORY POTENTIAL OF TINOSPORA CORDIFOLIA USING ZEBRAFISH; AN HERBAL REMEDY FOR TREATING BLOOD PRESSURE

http://anveshika.org/proceedings-of-the-zoological-society-of-india/wp-content/uploads/sites/2/2018/12/17Dec-2018-curve.pdf

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Blood pressure is one of the most important risk factor for attributable burden of disease. But the percentage of treated patients had their BP under control is not satisfactory. Utilization of ACE inhibitors is one of the important strategies for maintenance of BP. T cordifolia leaf extract was analyzed to find a new ACE regulatory compound in in-vitro. Among the extracted compounds, 8,11,14-eicosatrienoic acid showed highest affinity towards the enzyme and can be used as a potent ACE regulatory compound to manage BP The results of this experiment clearly indicate that the plant extract activates the ACE activity in in-vitro condition.