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HISTORY (798 journals)

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Journal Cover Proceedings of the Zoological Society
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   Hybrid Journal Hybrid journal (It can contain Open Access articles)
   ISSN (Print) 0974-6919 - ISSN (Online) 0373-5893
   Published by Springer-Verlag Homepage  [2335 journals]
  • Threats to Fish and Fisheries of Kangsabati Reservoir, West Bengal, India
    • Authors: Amalesh Bera; Manojit Bhattacharya; Tapas Kumar Dutta; Mrinmay Ghorai; Shampa Patra; Bidhan Chandra Patra; Utpal Kumar Sar
      Abstract: Fishes belonging to the Orders Beloniformes, Cypriniformes, Perciformes, Siluriformes and Synbranchiformes are usually found in the Kangsabati reservoir of West Bengal, India. In recent years among the trapped fishes fishermen failed to get certain fish species which were available to them in the last decade. This prompted us to conduct a survey of ichthyofauna of the said reservoir in respect to the water parameters, keeping in view the anthropogenic activity-induced pollution scenario. It is revealed that the fishes belonging to the species Xenentodon cancila, Nemacheilus savona, Sillaginopsis panijus, Pangasius sutchi, Colisa sota, Mystus cavasius, Mystus seenghala and Mastacembelus armatus are completely absent in the survey area. It is most likely that the eutrophication-induced causes especially, variations in composition and density of plankton as well as the undesirable changes in physical and chemical properties of the water have forced these fishes to migrate elsewhere.
      PubDate: 2017-03-08
      DOI: 10.1007/s12595-017-0209-z
       
  • Selection Practices of Bonga Sheep Reared in Southern Ethiopia
    • Authors: Metsafe Mamiru; Sandip Banerjee; Aynalem Haile
      Abstract: The study was conducted to assess the traits traditionally used to select the Bonga sheep reared in Southern Ethiopia. The breed was included for improvement under the community based breeding program (CBBP) launched in the year 2009. The results are based on the data collected from the project between 2009 till 2012. The findings are based on focus group discussions with the community elders who have been rearing the Bonga sheep for more than 20 years. The present findings are based on information obtained from 50% of the total respondents who were involved in CBBP. The Bonga sheep is a mutton type breed and the ewes are moderately prolific. In the past this breed of sheep were bartered to settle legal disputes and were traded against household commodities.. However, over the years (and also after the intervention of CBBP) the sheep have been selected for their body weight as well as for their distribution in many parts of Ethiopia The respondents selected the lambs at both pre weaning and post weaning stages. Traditionally the traits of rams are selected based on their body length, canon circumference, broad face, enlarged thyroid, while for the ewes, traits prolificacy, skin thickness and pelvic width are determining characters. Fat tail and brown coat color were preferred irrespective of the sexes in trait selection. The ram lambs selected for breeding purpose are locally known as “Dookoo”. These rams are selected based on some predetermined phenotypic traits and are initially selected at preweaning stage and further, again at the post weaning stage. These rams are preferentially cared and are provided with supplementary feed and comfortable housing.
      PubDate: 2017-02-17
      DOI: 10.1007/s12595-017-0207-1
       
  • Antibacterial Activity of Long-Chain Primary Alcohols from Solena
           amplexicaulis Leaves
    • Authors: Soumendranath Chatterjee; Amarnath Karmakar; Syed Afrin Azmi; Anandamay Barik
      Abstract: Extraction, thin layer chromatography and gas chromatography–mass spectrometry of Solena amplexicaulis (Lam.) Gandhi, commonly known as creeping cucumber, (Cucurbitaceae) leaves revealed 21 long-chain primary alcohols, and 100 g leaves indicated presence of 3651.59 ± 327.18 SE µg long-chain primary alcohols. 1-Heptadecanol and 1-triacontanol were the predominant and least abundant primary alcohols, representing for 780.44 ± 42.59 and 3.28 ± 0.55 SE μg, respectively. Antibacterial property of the complete synthetic blend (0.1%), comparable to long-chain alcohols as detected by GC-FID of 100 g S. amplexicaulis leaf extracts was evaluated on the pathogenic bacteria Salmonella gallinarum by agar well diffusion method, and exhibited 20.4, 26.7 and 38.2 mm zone of inhibition at 25, 50 and 100 μl doses, respectively. One hundred µl dose of 6 individual pure synthetic compounds, 1-tridecanol, 1-pentadecanol, 1-heptadecanol, 1-nonadecanol, 1-eicosanol and 1-tricosanol comparable to the amounts present in 0.1% solution of pure isolated alcohols from S. amplexicaulis leaves displayed 16.2, 17.7, 18.6, 22.8, 15.8 and 14.5 mm zone of inhibition against this bacterium, respectively. Hundred µl dose from a synthetic blend of above 6 compounds (comparable to the proportions as present in 0.1% solution of pure isolated alcohols from 100 g S. amplexicaulis leaves) exhibited 38.1 mm zone of inhibition against this bacterium. Furthermore, 100 μl dose from a mixture (1:1) comprising of chloramphenicol (1 µg/ml) and a synthetic blend of above 6 compounds displayed 38.8 mm inhibition zone against S. gallinarum, and hence, this combination might be used against this pathogenic bacteria.
      PubDate: 2017-02-13
      DOI: 10.1007/s12595-017-0208-0
       
  • Haemotoxic Effect of Lead: A Review
    • Authors: Rina Rani Ray
      Pages: 161 - 172
      Abstract: Lead exposure is one of the major environmental issues to alter the health and well being of man and animals. Blood being the easy target for lead intoxication shows prominent effects and alteration of several hematological parameters may be regarded as a bio indicator of lead intoxication. Blood lead levels above 10 μg/dL have been associated with numerous manifestations. Anaemia is reported after acute and chronic exposure of lead in both workers of lead factory and in laboratory animals, accomplished either through impairment of heme biosynthesis or by enhanced rate of blood cell destruction. This is confirmed by marked reductions in blood haemoglobin level and haematocrit value and echinocytic transformation of normal erythrocytes after lead exposure. The number of total leucocytes tends to increase with the increase in basophils, eosinophils and lymphocytes possibly due to direct toxic action of lead on leucopoiesis in lymphoid organs. High levels of lead inhibit aggregation of platelets both in human and rat blood. Lead induced changes in the red blood membrane include the changes in lipids and proteins profile of some membrane-associated enzymes or in ions transport mechanisms. The mechanism of lead toxicity may be due, in part, to disruption of calcium-mediated processes. The chronic exposure to lead can result in a drastic changes in the cholesterol and phospholipid content, hexose, hexosamine and sialic acid levels and membrane acetyl cholinesterase, NADH dehydrogenase and Na+–K+ ATPase levels. Moderate exercise, intake of methionine, glycine, curcumin, methionine, carotene and pectin enriched food and vitamin C could reduce the severity of lead toxicity.
      PubDate: 2016-12-01
      DOI: 10.1007/s12595-015-0160-9
      Issue No: Vol. 69, No. 2 (2016)
       
  • Correlation Between the Type of Vegetation and Occurrence of Birds in
           Agrifields
    • Authors: C. K. Dhanju; Ashima Goswami; Navdeep Kaur
      Pages: 173 - 180
      Abstract: Avian diversity in four areas of agrifields of Punjab Agricultural University (PAU), Ludhiana was studied in order to find a correlation between agricultural land use, woody vegetation and the occurrence of bird species. The areas included College Orchard (Transect I), Agrifields of Oil seed section of Department of Plant Breeding and Genetics adjacent to orchards of PAU (Transect II), Crop field area of Department of Plant Breeding and Genetics on the back of Thapar Hall, PAU (Transect III) and Experimental area of Department of Plant Breeding and Genetics of PAU (Transect IV) which was without any trees around it. A total of 12,642 birds including 30 different species were recorded in all the four transects. The total no. of birds (5,074) and species (22) was highest in transect IV. House crow, red wattled lapwing, rose ringed parakeet and common myna were found to be the dominant birds in Transect I, II, III and IV respectively. Species richness and species diversity varied throughout the year. All the four areas had one or the other crop which attracted a number of bird species for food and the adjacent woody vegetation in Transect I, II and III providing nesting, perching and roosting sites to birds. It reveals that both the trees and food availability in the agrifields attract different bird species for different purposes like food, nesting and roosting.
      PubDate: 2016-12-01
      DOI: 10.1007/s12595-014-0109-4
      Issue No: Vol. 69, No. 2 (2016)
       
  • Estimating Mammalian Abundance Using Camera Traps in the Tropical Forest
           of Similipal Tiger Reserve, Odisha, India
    • Authors: Himanshu S. Palei; Tilak Pradhan; Hemanta K. Sahu; Anup K. Nayak
      Pages: 181 - 188
      Abstract: Knowledge on the occurrence and distribution of species is crucial for designing and evaluating conservation strategies within a geographical region. Similipal Tiger Reserve though confined to a small area needs information on the diversity and abundance of mammalian fauna to ensure conservation of tiger. Thus, we aimed to assess the diversity and abundance of medium to large sized mammals in Similipal Tiger Reserve by using remotely triggered camera traps. A total of 6413 camera trap days at 187 trap stations were deployed from November 2012 to July 2013 to estimate the status of mammal. We obtained 3763 independent photographs and detected 24 species of mammals. The relative abundance index of each mammalian species was calculated. Leopard (Panthera pardus) was the most abundant carnivore while barking deer (Muntiacus muntjac) was the most abundant prey. Anthropogenic activities like hunting, livestock grazing and free ranging domestic dogs were found to be the detrimental factors for the existing mammalian species. These activities should be addressed through conservation and development perception with an interdisciplinary approach, incorporating social and ecological components cautiously.
      PubDate: 2016-12-01
      DOI: 10.1007/s12595-015-0143-x
      Issue No: Vol. 69, No. 2 (2016)
       
  • Zooplankton Composition, Diversity and Physicochemical Features of Bandam
           Kommu Pond, Medak District, Telangana, India
    • Authors: M. Karuthapandi; D. V. Rao; B. Xavier Innocent
      Pages: 189 - 204
      Abstract: The present investigation aims to study the zooplankton composition, diversity along with physicochemical profile in a chosen pond at Medak district from December, 2010 to November, 2012. The study revealed the occurrence of 80 zooplankton species including 60 rotifers, 18 cladocerans and 02 copepods. Zooplankton density fluctuated between 119 and 26,463/L, diversity H′ = 0.89–2.68, species richness 5–21 and dominance 18.6–74.1 % over the 2 years study period. Rotifers were more predominant than other zooplankton communities, especially family Brachionidae and Lecanidae. High density of the overall zooplankton community was due to more rotifer population and the numerical dominance of the species Brachionus angularis, B. calyciflorus, B. caudatus, Keratella tropica, Filinia terminalis and Epiphanies mucronata. It was observed that the zooplankton density significantly correlates with pH values of the pond. Physicochemical profile of the pond shows tropical climate, hard water and alkaline in nature. Chloride content was found to be high may be due to the anthropogenic pressure and influx of sewage. The high content of phosphate and nitrate reveals that the pond is enriched with nutrients. This has significant correlation with zooplankton dominance. The present findings clearly indicates the eutrophication of the pond.
      PubDate: 2016-12-01
      DOI: 10.1007/s12595-015-0142-y
      Issue No: Vol. 69, No. 2 (2016)
       
  • Diversity of Scleractinian Corals in Great Nicobar Island, Andaman and
           Nicobar Islands, India
    • Authors: Tamal Mondal; C. Raghunathan; K. Venkataraman
      Pages: 205 - 216
      Abstract: Great Nicobar Island is the southernmost island of Andaman and Nicobar group of islands and largest island of Nicobar group included in UNESCO-MAB-Network of biosphere reserve. The island is inhabited by a total of 173 species of scleractinian corals from 6 different study areas among the 577 species reported from entire Andaman and Nicobar Islands. The Shannon–Weiner diversity index ranged from 2.84 to 4.45 while the Simpson’s density index ranges from 0.93 to 0.99. Among the study areas, it was seen that the Laxman Beach is most diverse in comparison with the other 5 areas. Presence of 29.98 % scleractinian coral species in Great Nicobar Island denotes the sense of ecological attributes behind the sustainable support towards the coral settlement, growth and development.
      PubDate: 2016-12-01
      DOI: 10.1007/s12595-015-0145-8
      Issue No: Vol. 69, No. 2 (2016)
       
  • Foraminifera of Lakshadweep Archipelago, Arabian Sea
    • Authors: Subhadra Devi Gadi; P. Vidya; M. S. Mustak; K. P. Rajashekhar
      Pages: 217 - 224
      Abstract: Ocean acidification is a threat for coral reefs and shelled protists like foraminifera. A study on distribution of foraminifera in the intertidal regions of Lakshadweep Archipelago, Arabian Sea was carried out. Agatti, Amini Bangaram, Kadmat, Parali Ι and Tinnakkara Islands of Lakshadweep were the six sites selected for the study. A total of 29 species belonging to 17 genera, 14 families and four sub-orders of foraminifera were identified. Nine species were unique to Lakshadweep islands. The distribution of foraminifera in relation to sediment characteristics was assessed. The diversity and morphology of Lakshadweep foraminifera was compared to that of the foraminifera of the West and East coast of India in which 37.5 % of foraminifera occurring in the lagoons of Lakshadweep Islands studied here are exclusive. The foraminifera of the Archipelago are 1.5 times larger in size compared to that found in Indian coast. Miliolina and Rotaliina were the predominant suborders in both abundance and species richness. Marginopora vertabralis, Calcarina calcar, Amphistegina madagascariensis¸ Amphistegina radiata and Amphistegina lessoni were the abundant species. Sediment characteristics like organic matter, calcium carbonate and sediment texture were analysed and were found to correlate significantly with abundance and species richness of total and live foraminiferal populations of study sites.
      PubDate: 2016-12-01
      DOI: 10.1007/s12595-015-0150-y
      Issue No: Vol. 69, No. 2 (2016)
       
  • Determination of ETL for Major Pests in Betelvine
    • Authors: Satyabrata Pal; Arunava Ghosh; Buddhadeb Manna
      Pages: 225 - 228
      Abstract: The plantation crop, Betel vine (Piper betle L.) is one of the most important cash crops in India. Major crop-loss (betel vine crop) occurs owing to the damage caused by white fly (Singhiella palled) and black fly (Aleurocanthus rugosa), and as such these are considered as the most harmful pests in respect of the damage caused by them. The quantum of damage is determined by calculating economic injury level (EIL) and economic threshold level (ETL). Knowledge of ETL helps to reduce crop loss (and ensures less pesticide application), and as a consequence, profit is increased. Also substantial knowledge is required on the dynamics of the pest population in order to determine the density at which the EIL may be prevented. This communication is devoted to the development of a method for determination of ETL in case of the plantation crop, betel vine. As the knowledge of ETL is Vital to the farmers, this article presents a systematic method to determine the ETL from a special type of experiment on betel vine designed for this purpose. The existing method of determination is based on economic parameters (Weersink et al. in Can J Agric Econ 39(4):619–625, 1991) which are subject to local, temporal and spatial variation. The developed method is divested of the above-mentioned variations and depends on the features of pest-infestation data solely.
      PubDate: 2016-12-01
      DOI: 10.1007/s12595-015-0152-9
      Issue No: Vol. 69, No. 2 (2016)
       
  • Pattern of Distribution of Endemic Pill-Millipedes in the Southwestern
           India
    • Authors: Cheviri N. Ambarish; Kandikere R. Sridhar
      Pages: 229 - 236
      Abstract: Pill-millipedes of the genus Arthrosphaera (Sphaerotheriidae) has restricted geographic distribution (Southern India, Sri Lanka and Madagascar) were under studied category of soil macrofauna. In the current study, seven morphospecies of Arthrosphaera were recovered in four biomes of the Western Ghats and west coast of India. In locations Makutta (A. fumosa), Karike (A. fumosa), Ninthikal (A. dalyi), Uppinangadi (A. magna) and Uppala (A. hendersoni) were endowed with only one species of Arthrosphaera. Although some locations consist of more than one species, one of them was dominated. Shankaraghatta forest consists of A. disticta and A. versicolor, but A. disticta was highly dominant. In Adyanadka plantations, A. magna was dominant than A. carinata. The highest number of A. disticta was recorded per quadrate in high-altitude location (Shimoga), followed by A. hendersoni in the coastal location (Uppala), A. magna (Adyanadka) and A. dalyi (Ninthikal) in foothill locations. The highest biomass of A. dalyi per quadrate was seen in Ninthikal, followed by A. magna in Adyanadka, A. disticta in Shimoga, A. fumosa in Karike and A. magna in Adyanadka and Uppinangadi. The richness of Arthrosphaera was positively correlated with biomass, conductivity, total nitrogen, potassium contents in soil and negatively correlated with calcium content in soil.
      PubDate: 2016-12-01
      DOI: 10.1007/s12595-015-0153-8
      Issue No: Vol. 69, No. 2 (2016)
       
  • Habitat Fingerprinting Using Otolith Trace Metal Profile of Two Catfish
           Species of Genus Ompok (Siluridae) from Ganges Basin, India
    • Authors: U. K. Sarkar; A. K. Pathak; B. K. Gupta; D. D. Patra
      Pages: 237 - 241
      Abstract: In fish, otoliths are continuously deposited elements with environmental information. This paper discusses the bioaccumulation level of essential and non-essential metals in water and otoliths samples of two threatened freshwater catfishes of genus Ompok collected from the Gomti river of Uttar Pradesh, India. The concentration level of trace metals (Ba, Sr, Zn, Mn) in otoliths and water samples differed considerably between sampling locations (p < 0.05) and a strong correlation exists on trace metals (r > 0.9) between otoliths and water samples. The occurrence of trace metal type and its concentration in otoliths proves the potential sites preferred for O. pabda and O. bimaculatus.
      PubDate: 2016-12-01
      DOI: 10.1007/s12595-015-0144-9
      Issue No: Vol. 69, No. 2 (2016)
       
  • Compensatory Adjustment in Chloride Cells During Salinity Adaptation in
           Mud Crab, Scylla serrata
    • Authors: R Roy; S Bhoite
      Pages: 242 - 248
      Abstract: Capacity acclimation is a measurement of understanding the degree of adaptation that take place in physiological activities or biological functions in altered environmental conditions. Precht and Prosser in different ways classified capacity acclimation due to alterations of environmental temperature with respect to various physiological processes in a variety of organisms. We hypothesized that the same may be applied to understand the degree of adaptation in various physiological processes of organisms due to change in the salinity or any other environmental parameters. In order to understand the adaptive capability or the degree of compensation in different saline environment in some of the physiological processes of chloride cells, the chloride cells from 1 psu and or 35 psu acclimated crabs were cultured further in vitro, in L-15 media maintained with 12 psu salinity for another 5 h without any mortality. Rate of ion transport across the chloride cell membrane, and the activity of ion transporting enzyme were recorded. Over compensation or perfect compensation in the transport rate of K+, Na+ and Ca++ ions, due to hypo saline as well as hyper saline acclimation, clearly indicates their role in maintaining the homeostasis in osmoregulatory processes during salinity adaptation. On the other hand, inverse compensation or partial compensation in the transport rate of Cl− ions and the activity of ATPases indicate about their involvement in adjusting the osmoregulatory processes in altered saline environment rather that contributing to adaptability processes during change in the environmental salinity.
      PubDate: 2016-12-01
      DOI: 10.1007/s12595-015-0148-5
      Issue No: Vol. 69, No. 2 (2016)
       
  • Nesting in a Crowd: Response of House Sparrow Towards Proximity to Spatial
           Cues in Commercial Zones of Guwahati City
    • Authors: Anukul Nath; Hilloljyoti Singha; Panna Deb; Arup Kumar Das; Bibhuti P. Lahkar
      Pages: 249 - 254
      Abstract: We studied the nest site characteristics features of House Sparrow Passer domesticus in highly crowded commercial zones of Guwahati city, Assam, India. Active nests of House Sparrow were recorded during the peak breeding season—February to April 2013. A total of 106 nests were recorded, out of which 36 % of nests were in colonies having more than two nests with a maximum of 20 nests in a single colony. The shutters were found to be the predominant substrates for nest construction. The average nest height was 3.78 ± 2.18 m. Most of the nests were recorded in less than 5 m height. The habitat patch selection for nesting might be a response to food availability or protection against abiotic factors. The availability or proximity of suitable foraging sites seems to be an important feature for nest site choice. The shopping centers with glass facades (exterior construction of the buildings) do not provide much space for placing the nests. The development of modern buildings is going to be a major threat to the breeding sparrows in near future.
      PubDate: 2016-12-01
      DOI: 10.1007/s12595-015-0149-4
      Issue No: Vol. 69, No. 2 (2016)
       
  • A Preliminary Report on the Butterfly Diversity of Kurumpuram Reserve
           Forest, Marakkanam, Tamil Nadu
    • Authors: K. Silambarasan; K. Sujatha; A. Anitha Joice; P. Senthilkumaar; E. Rajalakshmi
      Pages: 255 - 258
      Abstract: The biodiversity of the butterfly fauna of Kurumpuram reserve forest, Marakkanam was studied through weekly sampling programme from July 2013–December 2013. A total of 26 species belonging to five families (Nymphalidae, Pieridae, Papilionidae, Lyacaenidae, Arctiidae) and 22 genera were recorded. Out of these, members of Nymphalidae were dominant with 14 species followed by Pieridae (04 species), Papilionidae (03 species), Lyacaenidae (03 species), and Arctiidae (02 species).
      PubDate: 2016-12-01
      DOI: 10.1007/s12595-015-0151-x
      Issue No: Vol. 69, No. 2 (2016)
       
  • A Report on Intergeneric Mating Among Butterfly Species in Nature
    • Authors: Puja Ray; Writuparna Dutta
      Pages: 259 - 261
      Abstract: A rare sight of intergeneric mating of two lycaenid butterfly species, Rathinda amor Fabricius (Monkey Puzzle) and Anthene emolus Godart (Common Ciliate Blue) is being reported for the first time from Chintamani Kar Bird Sanctuary, Kolkata, India.
      PubDate: 2016-12-01
      DOI: 10.1007/s12595-016-0170-2
      Issue No: Vol. 69, No. 2 (2016)
       
  • Evolution: A Function of Will Force
    • Authors: S. K. Raut
      Abstract: Evolution is a gradual but continuous process. To explain the process of organic evolution different theories have been put forward by various authorities. But, all these theories are significant in respect to explanations of the possible mechanisms of evolution and certainly without acceptable analysis regarding the cause of initiation of evolution and the reason of maintaining the said flow all along. In the present article it is hypothesized that the process of initiation of evolution is initiated due to ‘will force’ and the said flow is being maintained because of ‘will force’.
      PubDate: 2016-12-28
      DOI: 10.1007/s12595-016-0206-7
       
  • Accumulation of Heavy Metals in Some Marine Fisheries Resources Collected
           from Gulf of Mannar Marine Biosphere Reserve, Southeast Coast of India
    • Authors: S. Rameshkumar; P. Prabhakaran; K. Radhakrishnan; R. Rajaram
      Abstract: Concentrations of toxic metals viz. mercury (Hg), cadmium (Cd) and lead (Pb) were evaluated in four species of fishes (Sardinella longiceps, Selaroides leptolepis, Epinephelus quoyanus and Lethrinus lentjan), one species of shrimp (Penaeus semisulcatus) and one species of crab (Portunus sanguinolentus) sampled from Thoothukudi, Keelakarai and Veerapandian pattinam of Gulf of Mannar, Southeast coast of India. Results revealed accumulation of these metals in the following order Hg > Cd > Pb. Hg concentration was found to be higher in Po. sanguinolentus followed by E. quoyanus, Pe. semisulcatus and L. lentjan however, the same was absent in Sa. longiceps and Se. leptolepis. Cd concentration was recorded in decreasing order in Po. sanguinolentus > Pe. semisulcatus > L. lentjen > E. quoyanus > Sa. longiceps > Se. leptolepis. Pb was detectable only in four species. Results of One-way ANOVA revealed significant variations (p < 0.05) in accumulation of Cd in Sa. longiceps, Se. leptolepis and Pe. semisulcatus and Hg in E. quoyanus, L. lentjan and Po. sanguinolentus. Variations noted in Pb were not statistically significant throughout.
      PubDate: 2016-12-20
      DOI: 10.1007/s12595-016-0205-8
       
  • Malcofaunal Diversity of Chilika Lake, Odisha, India
    • Authors: Debasish Mahapatro; Ramachandra Panigrahy; Sudarsan Panda; Rajani Kanta Mishra
      Abstract: Investigation during the period of 3 years from 2007 to 2010 on the malacofauna of Chilika lake revealed the occurrence of 126 molluscan taxa belonging to 56 families, 18 orders of three classes in the bottom sediment. Of these 61 species belonged to Bivalvia, 64 species belonged to Gastropoda and one species belonged to Polyplacophora. Maximum Bivalvia and Gastropoda taxa were found in the outer channel region of the lake. The dominating species were Crassostrea cuttackensis, Saccostrea cucullata, Brachidontes undulatus, Meretrix meretrix among bivalves and Cerethideopsilla cingulata, Bullia vittata, Nassarious stolatus, Indothias lacera, Natica tigrina, Turritella attenuata were from the gastropods. Occurrence of a large number of marine taxa is most probably associated with the opening of new lagoon during 1st August 2008.
      PubDate: 2016-12-10
      DOI: 10.1007/s12595-016-0204-9
       
  • Dietary Supplement of Medicinal Herbal Leaf Powder on Growth Performance,
           Digestive Enzymes Activities, Energy Utilization and Vitamin Levels of the
           Freshwater Prawn Macrobrachium rosenbergii
    • Authors: T. Muralisankar; P. Saravana Bhavan; S. Radhakrishnan; P. Santhanam
      Abstract: Experiments were conducted to evaluate the influence of dietary supplement (@ 5%) dried leaf powder of the medicinal herbs, Ocimum sanctum, Solanum trilobatum and Phyllanthus amarus on survival, growth, activities of digestive enzymes, energy utilization, and vitamin contents of the freshwater prawn, Macrobrachium rosenbergii. Results indicated significant (P < 0.05) improvements in survival, growth, activities of digestive enzymes, energy utilization, and vitamin levels in herb supplemented feeds fed prawns group compared to prawns fed non-herbs feed. Best growth was noted in prawns fed with the feed supplemented by leaf powder of P. amarus, followed by S. trilobatum and O. sanctum. It is concluded that leaf powder of these herbs can be used as dietary supplement for better growth of freshwater prawn.
      PubDate: 2016-11-30
      DOI: 10.1007/s12595-016-0202-y
       
 
 
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