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  Scientific Journal of Biological Sciences
  [3 followers]  Follow
  This is an Open Access Journal Open Access journal
   ISSN (Print) 2322-1968
   Published by Sjournals Homepage  [9 journals]
  • Toxicity and analgesic studies of leaf methanolic extract of Maytenus
           Senegalensis (LAM.) Exell (Celastraceae)

    • Authors: A.A. Murjanatu, K.Y. Musa, G. Ibrahim, M.G. Magaji
      Abstract: The leaf methanolic extract of Maytenus senegalensis (Lam.) Exell was investigated for toxicity and analgesic effects. Acute toxicity was investigated via intraperitoneal route using mice and rats, analgesic activity was investigated using two models; acetic acid-induced writhing in mice and formalin induced pain in rats. The extract was determined to have LD (50) of 1264.91 mg/kg in both mice and rats. It significantly (0.001) inhibited acetic acid-induced writhes in mice at all doses administered (75, 150 and 300 mg/kg) in a dose dependent manner and significantly (0.01) inhibited formalin induced pain in rats, in a non-dose dependent manner. The inhibitory effect observed was higher in the extract compared to the standard used (piroxicam). The results obtained suggested the extract to be relatively toxic in both mice and rats with a dose dependent anti-nociceptive activity.
      PubDate: 2015-02-27
      Issue No: Vol. 4 (2015)
  • The effect of recombinant bovine somatotropin on the pregnancy rate of
           resynchronized Nellore cows submitted to fixed-time insemination

    • Authors: Josemara Silva Santos, Tânia Vasconcelos Cavalcante, Francisca Elda Ferreira Dias, Domenica Palomaris Mariano de Souza, Alencariano J.S Falcão, Mônica Arrivabene, Juliano Franco de Souza, José Adalmir Torres de Souza, Viviane Mayumi Maruo
      Abstract: The objective of the study was to evaluate the effects of recombinant bovine somatotropin (rbST) during resynchronization on the pregnancy rates of Nellore cows submitted to fixed-time artificial insemination. A group comprised of 100 multiparae Nellore cows was submitted to a resynchronizing protocol: on day 0 the subjects received the Bovine Intravaginal Device with 1,0g of progesterone (P4), associated with intramuscular administration of 2,0mg of estradiol benzoate (IM); on day 8, the Bovine Intravaginal Device  (DIB®) was removed, and 1,0mg of estradiol cypionate, 0,15mg of prostaglandin F2α and 300 UI of equine chorionic gonadotropin were administered; on day 10, fixed-time artificial insemination  was conducted (FTAI ). The subjects were then randomized into Control Group (n=50) and Treated Group (n=50), of which the latter received 500mg of rbST on the eighth day of the protocol. Sixty days after the fixed-time artificial insemination, pregnancy diagnoses were conducted via rectal palpation. Blood samples were taken to measure plasma concentrations of glucose, triglycerides and cholesterol. Pregnancy rates were statistically evaluated through Generalized Linear Models Theory, and their significance was tested through Analysis of Deviance. No difference was found between groups, pregnancy rates were 40% and 48% for control and treated groups, respectively. Cholesterol plasma concentrations were also not affected by the treatment with rbST. There were significant increases in serum glucose and triglycerides between groups. The administration of rbST to multiparae Nellore cows, in a single dose, did not statistically interfere in the pregnancy rates. The resynchronization of estrus and re-insemination had a positive effect in cumulative pregnancy rates.
      PubDate: 2015-01-29
      Issue No: Vol. 4 (2015)
  • Genotype influencing yield and milk composition in different dairy
           production systems

    • Authors: Never Assan
      Abstract: The milk yield and milk composition of dairy animals are influenced by a large number of factors. Generally, these factors are based on genetic and non-genetic  differences between dairy animals. While the genetic potential of an animal is fixed at conception, non genetic factors such as nutrition, management, milking frequency, rearing methods, stage of lactation, etc. determine whether  genetic  potential is attained. Therefore, the maximum marketable milk yield with different fat and protein content is desirable to producers to increase farm profitability and can be affected by choice of appropriate genotype. The present discussion explores the  consequences of  choice of genotype  in dairy production enterprises for the milk yield and composition. The discussion points to the fact that genotype affect either yield or milk composition during the entire lactation. However, across genotypes fat and protein yields  are affected by both the quantity of milk produced and fat or protein percentages in the milk.
      PubDate: 2015-01-29
      Issue No: Vol. 4 (2015)
  • L-Arginine optimization medium for hairy root induction of madder (Rubia
           tinctorum L.) based on one factor model of response surface methodology

    • Authors: Mehdi Ghorbani, Mansoor Omidi, Seyed Ali Peighambari
      Abstract: Medium optimization for hairy root cultures producing secondary metabolites was studied through statistical experimental design. In the following, one factor model of response surface methodology (RSM) was employed to formulate the L-Arginine amino acid levels alongside three categorical factors including bacterial strains (ATCC 15834, C58C1 and R1000), type of explant (Leaf and Stem) in co-cultivation media (B5 and MS) for hairy root induction of Madder (Rubia tinctorum L.). Design of experiment and data analysis was carried out by using Expert-Design® 7.1 software. According to the results, modeling and optimization conditions, including L-Arginine concentration 1.00 mM; bacterial strain; C58C1, leaf explant and B5 medium for HR induction frequency equal to 58% was evaluated (Desirability point=0.986). These optimal conditions predicted by RSM were confirmed to enhance hairy root induction as an application potential for biotechnological implementation to produce the anticipated compounds.
      PubDate: 2014-12-30
      Issue No: Vol. 3 (2014)
  • Study of genetic variation and phenetic relationships in some vulnerable
           taxa from Indian sundarbans following RAPD marker analysis

    • Authors: A. Sarkar, A.K. Sarkar, P.K. Sen
      Abstract: The mangrove ecosystem plays an important role in maintaining coastal ecological balance and is also one of the most highly productive and dynamic ecosystems to mankind, providing food, livelihood and ecological security. The plant species of this ecosystem are constantly under environmental stress due to the highly saline conditions and extreme temperatures. Studying the genetic diversity of mangrove plants is important in taking effective measures to protect these species. The present study, being the first attempt in Indian Sundarbans, deals with RAPD (Random Amplified Polymorphic DNA) marker study of three IUCN declared ‘Vulnerable’ mangrove species viz. Xylocarpus granatum, Xylocarpus mekongensis and Heritiera fomes of Indian Sundarbans to assess its genetic diversity to trace their reduction in population size. These were collected from two distinct populations of Indian Sundarbans i.e. Sajnekhali Tiger Reserve and Bonnie Camp area. It was found that intra-specific polymorphism was highest (80%) in Xylocarpus granatum in and lowest (60 %) in Xylocarpus mekongensis while Heritiera fomes showed moderate (71.42 %) level of polymorphism. The decreasing population size can be assessed through the low genetic variation of Xylocarpus mekongensis and Heritiera fomes rather than Xylocarpus granatum. It can further be said that comparatively high genetic variation of Xylocarpus granatum, though, does not exactly correspond to its population structure, it may be due to its isolated distribution, dissimilar edaphic factors and different anthropogenic activities within the mangroves of Indian Sundarbans. We can conclude that molecular marker study provides an effective tool to access the existing inter- and intra-specific genetic polymorphism within mangrove species of Indian Sundarbans and to explore their conservation strategy.
      PubDate: 2014-12-17
      Issue No: Vol. 3 (2014)
  • Mechanisms of plant growth promoting rhizobacteria (PGPR) and mycorrhizae
           fungi to enhancement of plant growth under salinity stress: A review

    • Authors: Hamid Reza Boostani, Mostafa Chorom, Abdol Amir Moezzi, Naeimeh Enayatizamir
      Abstract: Salinity is the major environmental factor limiting plant growth and productivity. Under salinity conditions, plant growth is affected by a number of factors such as hormonal and nutritional imbalance, ion toxicity, physiological disorders, susceptibility to diseases, etc. Plant growth under stress conditions may be enhanced by the application of microbial inoculation including plant growth promoting rhizobacteria (PGPR) and mycorrhizal fungi. These microbes can promote plant growth by regulating nutritional and hormonal balance, producing plant growth regulators, solubilizing nutrients and inducing resistance against plant pathogens. The present review comprehensively discusses on the effectiveness of PGPR and mycorrhizal fungi for enhancing plant growth under salinity stress. The mechanisms involved in plant salinity tolerance under stress conditions have been discussed at length in this review. Also the review discusses the role of rhizobacteria and mycorrhizae in combination in enhancing plant growth under stress conditions.
      PubDate: 2014-11-29
      Issue No: Vol. 3 (2014)
  • The effects of shrubs Salsola arbusculiformis Drob. on soil chemical and
           physical characteristics in North east rangelands of Iran

    • Authors: Ali Mohammad Asaadi, Gholam Ali Heshmati, Ali Reza Dadkhah
      Abstract: The purpose of this investigation was to study the effects of Salsola arbusculiformis on soil physico-chemical characteristics in rangelands of in Garmeh Located in northeast of Iran. After surveying the regions, the three sites (karnakh, Aspakho, Robat) with Salsola arbusculiformis were selected. Vegetation cover and soil parameters were sampled by a random systematic method, in each region. Five transects each 100 meter length were selected and then 50 plots by the average of 1m ×2m were randomly chosen and vegetation cover parameters such as percentage canopy cover, production, density and percentage litter were measured in the key area of each site. Soil samples were taken from two depths (0-30, 30-60 cm) under plant and in control areas. The measured characteristics of soil included texture, electrical conductivity (EC), acidity (pH), nitrogen (N), phosphorus (P), potassium (K), Sodium (Na), Organic matter(OM), CaCO3 and CaSO4 .Data were analyzed using SPSS software under windows. One-way ANOVA and T-test were used to compare the data related to planted and control treatments. Results showed that Salsola arbusculiformis significantly increased the amount of K, pH, EC, N, Na (P<0.01), and O.M (P<0.05). In these sites measured characteristics of soil in planted areas were more than the control ones.
      PubDate: 2014-10-29
      Issue No: Vol. 3 (2014)
  • Nosocomial infection in surgical site wounds caused by staphylococcus
           aureus and pseudomonas aeruginosa: case study of four major hospitals in
           Benue State

    • Authors: I. Michael Unata, O. Edith Chinenye
      Abstract: Surgical sites wound swab specimens were collected from four major hospitals in Benue State Nigeria namely; Federal Medical Centre Makurdi, General hospital Gboko, General hospital Otukpo and General hospital North bank, Makurdi over a period of seven months and were examined bacteriologically..  Out of a total of 300 samples examined, 170 had bacterial isolates and of these 61(35.9%) were Pseudomonas aeruginosa, 39(22.9%) Staphylococcus aureus and 25(14.7%) co-infection of Pseudomonas aeruginosa and Staphylococcus aureus.  Other bacterial isolates were Klebsiella species 12(7.1%), Escherichia coli 10(5.9%), atypical coliform 8(4.7%), Proteus species 7(4.1%), Enterococcus faecalis 4(2.4%) and Streptococcus pyogenes 4(2.4%).  The incidence of Pseudomonas aeruginosa was higher at Federal Medical Centre Makurdi (33; 25.3%) than at other hospitals namely General Hospital Gboko (24; 34.3%), General Hospital Otukpo (14; 20.6%) and General Hospital North Bank Makurdi (15; 23.8%).  Staphylococcus aureus occurred also more at the Federal Medical Centre Makurdi (24; 24.2%) than at General Hospital Gboko (16; 22.9%), General Hospital Otukpo (12; 17.6%) and General Hospital North Bank Makurdi (12; 19.0%). There were no significant differences between the hospital facilities and the microbial infections at significance level of (p>0.05).  The findings in this study suggest that patients, patient’s caregivers and health workers should adhere strictly to guidelines and policies on nosocomial infection preventions and control.
      PubDate: 2014-09-25
      Issue No: Vol. 3 (2014)
  • Ensuring equitable resource allocation and gender sensitive policies in
           supporting food production and security in Southern Africa

    • Authors: Never Assan
      Abstract: Gender disparities in resource allocation and non gender responsive policies are  important constraint to increasing food production and security in Southern Africa. The discussion attempt to explore the role of equitable resource allocation and development of gender sensitive policies and their implications for  improving food production and security in Southern Africa.  Gender responsive policies are meant to catalyze a change process for ending gender discrimination and securing women’s access to key productive  resources. It is believed that without specific attention to gender issues in food production and security strategies, unknowingly policy  may  reinforce inequalities between women and men, and may even increase productive  resources imbalances. It must be emphasized that addressing gender resource allocation disparities and development of gender sensitive policies  is an integral part of enabling women to guarantee their families’—and their own—well-being. Little attention has been paid to the differential impacts of resource allocation disparities and development of gender sensitive policies on  food production and security, or to which delivery mechanisms may be more effective in addressing women needs and concerns in food production and security. It is assumed that traditional food production policies  are not gender-responsive and typically do not consult women who are the majority  end-users, improved varieties and technologies do not take into account women’s needs, preferences, and resources, as a result the high rate of failure of intervention  food production and security strategies. However, policy makers should be aware that development and implementation of gender responsive policies and equitable gender resource allocation  are likely to be mistaken for violation of  social norms or adversely affect gender relations within the household, leading to less successful adoption and potential backlash against women. Thus, interventions that seek to remove obstacles in gender resource allocation need to consider the trade-offs inherent in challenging and respecting gender norms.
      PubDate: 2014-08-29
      Issue No: Vol. 3 (2014)
  • Effect of canola oil on blood lipid in ostriches (Struthio camelus)

    • Authors: Mahdi Khodaei Motlagh, Hossein Ali GHasemi, Iman Hajkhodadadi, Mehdi Kazemi-Bonchenari, Mohhamad Hossein Moradi
      Abstract: In order to study the lipid profile of ostriches in relation to diet, 6 blue-neck male ostriches (Struthio camelus) were used and fed with 3% canola oil supplement on diets adlibitum consisting. In the morning, after about 12 h of fasting, blood was collected from the wing vein on days 0 and 60. Blood samples were collected from ostriches to measure levels of the following lipid parameters include high-density lipoprotein (HDL) cholesterol, low-density lipoprotein (LDL) cholesterol, very low-density lipoprotein (VLDL), triglyceride, total cholesterol were determined. Results showed that  from days 0 to 60, LDL and total cholesterol levels increased significantly, whereas HDL, VLDL and triglyceride didn't change.
      PubDate: 2014-07-30
      Issue No: Vol. 3 (2014)
  • Effect of temperature and ph on activity of purified cellulase obtained
           from Aspergillus Flavus

    • Authors: I.F. Okonkwo
      Abstract: In view of the fact that temperature and pH play key role inthe activity of fungal cellulases, this experiment was designed to assess theeffect of temperature, and pH on activity of the purified enzyme fromAspergillus flavus derived from rotten wood. The characterizationof the purified cellulase enzyme of Aspergillus flavus was carried out usingcarboxymethyl cellulose, filter paper and cotton wool assays. The maximum andoptimum temperatures were 900C and 700C respectively. The pH optima werebetween 5 and 8. The enzyme retained above 50% of its original activity at 1000C for 1h and up to 80% at 80 0C for 1h. It was stable over a pH range of 5-8,and retained up to 40% of its original activity at pH 9. The study carried outshowed that the purified Aspergillus flavus cellulases demonstrated usefulproperties among which include; high optimum temperature, increased thermalstability at both acidic and alkaline pH. They also offer additional advantageas they are more rigid than meso enzymes and moreover, are more resistant tothermal and chemical denaturation. Hence are remarkable tools for developingcommercial biotechnologies and for studying protein stability.
      PubDate: 2014-06-26
      Issue No: Vol. 3 (2014)
  • Genetic correlation between egg quality traits

    • Authors: J.C. Okonkwo
      Abstract: Genetic correlation coefficients between egg quality traits were studiedusing fifty- six harco pullets raised under standard management practices. Theestimates were carried out at 22-week, 26-week, 30-week and 32-week of age. Eggquality traits studied include egg weight (EW), shell thickness (ST), haughunit (HU), yolk index (YI) and shape index (SI).  Zero to slight negative correlationcoefficients was observed between EW and HU, EW and YI, EW and SI, ST and SI,and HU and YI. This implies that selection for any of the character entailsminimal retrogressive response on corresponding trait. Conversely, zero toslight positive correlation coefficients was recorded between EW and SI, SI andYI, and HU and SI. Again, selection for any of this character will bring abouta slight genetic gain on the corresponding trait. Furthermore, the study maintainedthat the genetic correlation coefficients between egg quality traits areindependent of the laying age, and for faster genetic response in egg qualitytraits, independent culling method. Again, since genes governing the expressionof these egg quality traits appear to be independent of each other, it ispossible to localize, isolate and intersperse these genes simultaneously infoundational poultry lines using biotechnological tools for faster geneticgain.
      PubDate: 2014-06-26
      Issue No: Vol. 3 (2014)
  • Fertility and hatchability characterization of three strains of egg type

    • Authors: T.O. Allanah, J.C. Okonkwo, S.I. Omeje
      Abstract: The fertility and hatchability characteristics of three popular strainsof egg type chickens in Nigeria, namely chickens (ISABROWN), Alpha (Improved native) and the local strain (Pure native) chickenswere studied. They were compared from twenty weeks of age using 15 hens and 3cocks from each strain. The parameters recorded were egg production, eggweight, percent fertility and hatchability. The experiment was replicated threetimes. The data obtained showed that the improved native strain produced moreeggs followed by the exotic strain and lastly, the pure native strain. ISA Brownstrain and improved native strain were similar in egg weight; but performedbetter than pure native and the other strains. The ISA Brown recorded mean eggweight of 59.27 ± 0.02, Improved native recorded mean egg weight of 53.10 ± 002 and the purenative recorded mean egg weight of 41.00 ± 0.02. Conversely, fertility was highest in the pure native strain(86.04) followed by improved native strain 83.08) and the exotic strainrecorded the least percent fertility of (68.21). Hatchability was highest inthe improved native strains with percentage hatchability of 77.33, followed bythe pure native of percentage hatchability of 73.55 and ISA Brown (exotic)recorded the least percentage hatchability of 61.24. From the findings, theimproved native did well in all the parameters investigated and has enough roomto carry out selection for improvement.
      PubDate: 2014-06-26
      Issue No: Vol. 3 (2014)
  • Parasitemia and Antimalarial-Induced Histological Alterations and
           Oxidative stress in Infected Mice

    • Authors: Isaac Olayinka Oyewole
      Abstract: In lieu of the reports on re-emergence of chloroquine sensitive Plasmodium falciparum, the choice of the drug for the treatment of malaria especially in the endemic areas may not be ruled out. Here, we reported the antioxidative status and histology of some vital organs in mice infected with P. berghei and subsequently treated with chloroquine. The study was a 4 by 10 model design as follows: the control non-infected, the infected (IN) and chloroquine-treated infected (CqTI)/non-infected (CqTNI) mice. The challenged animals were subjected to five days treatment after parasitemia was established using Gemsa stain. Assays were conducted on the animals following standard procedures. The results showed that parasitemia and Chloroquine induced oxidative stress in (IN) and (CqTNI) groups. This was indicated by significant (p<0.05) changes in the antioxidant defence indices viz superoxide dismutase (SOD), reduced glutathione (GSH), glutathione-S-transferase (GST), catalase (CAT), malondialdehyde (MDA) and protein concentration. There were also alterations in the architectures of some vital organs such as liver, kidney and heart of the experimental groups compared with control. The subsequent treatment of the infected group with Chloroquine (CqTI) restored some of the indices altered during the infection to a normal level. This study shows that malaria and its radical treatment in vivo can induce oxidative stress which in turn can cause injury to the host tissues particularly during chronic administration of Chloroquine-an implication for prolong intake of the drug.
      PubDate: 2014-05-31
      Issue No: Vol. 3 (2014)
  • Yield analysis of bread wheat under saline conditions using some
           statistical procedures

    • Authors: Amir Gholizadeh, Hamid Dehghani, Yan Dvorak
      Abstract: Study on the interrelationships between yield and related yield traits will improve the efficiency of breeding programs through the use of appropriate selection indices. In this research, the relationship among wheat seed yield and its contributing components under salt stress condition were investigated by using three statistical procedures including; principal components, factor analysis and cluster analysis. The experiment was conducted under saline field conditions based on randomized complete block design with three replications. Electrical conductivity of irrigation water was 10ds.m-1. Results indicated that biological yield, plant height and chlorophyll content were the most effective variables influencing seed yield. Based on the results, it seems that high yield of wheat plants under saline field conditions can be obtained by selecting breeding materials with high biological yield, harvest index and chlorophyll content.
      PubDate: 2014-05-08
      Issue No: Vol. 3 (2014)
  • Some biological aspect of Carasobarbus luteus (Heckel, 1843) in Hoor
           Al-azim wetland

    • Authors: Afrooz Eydizadeh, Gholam reza Eskandary, Seyed Ahmad reza Hashemi
      Abstract: The Population Dynamics and status of Hemeri (Carasobarbus luteus) in Hoor Al-azim wetland (Khuzestan provinces, Iran) were investigated to derive information required for their management. During this study from 2011 to 2012more than 460 specimens C. lutus were measured. Mean±S.D length Values for this species were 228±15 respectively and maximum and minimum total length were 118 mm and 362 mm respectively. Mean ±S.D weight Values for this species were 190±91gr and maximum and minimum weight were 86- 416 gr respectively. The length-weight relation were calculated as Y=0.0018L3.18 (n=466, R2 =0.96) for total fishes, growth pattern is isometric (P>0.05). The mean Values of condition factor (K) were 1.38± 0.07 in male specimens and 1.43± 0.11 for female specimens. The highest values of K were observed in April and the lowest in October were observed. The mean size at first sexual maturity (Lm) was 210 mm for total fish, and maturity stages indicated that spawning time were occurred during April to July.
      PubDate: 2014-03-29
      Issue No: Vol. 3 (2014)
  • Time course for cellulase enzyme production by Aspergillus Flavus using
           different organic nitrogen sources

    • Authors: I.F. Okonkwo, F.J.C. Odibo, C.M. Obele
      Abstract: The time course for the production of cellulase enzyme of Aspergillus flavus was carried out at 35οC in a shaken incubator using modified Mandel and Weber’s medium containing in ( g/l) (NH4)2S0­4 1.4, KH2P04 2.0, Urea 0.3, MgS047H20 0.3, CaCl3 0.3 FeS047H20 0.005, ZnS047H200.0014, MnS04H20 0.0016, CoCl3 0.002, Tween 80  2.0 ml, Carboxymethylcellulose 10.0 and pH 6.8. It indicated a period of 120 h (5days) as the optimum incubation period under the experimental condition using CMC as substrate.  The mycelia growth pattern (biomass) indicated highest growth on the fifth day also corresponding to the time of maximum enzyme activity.  The results from the studies also showed that Mandel and Weber’s Medium was better than other substitutions with alternative nitrogen sources in all the assays, followed by yeast extract and the least being soya bean meal. The study therefore maintained that Mandel and Weber’s Medium is the best at 5 days incubation for cellulase production by Aspergillus flavus.
      PubDate: 2014-02-28
      Issue No: Vol. 3 (2014)
  • Knowledge and practice of management of acute respiratory infection among
           mothers of under five years children in rural Nepal

    • Authors: D. Acharya, U.C. Ghimire, S. Gautam
      Abstract: Acute respiratory infections (ARIs) accounts for nearly one-fifth ofchildhood deaths worldwide, with approximately two million children under fivedying each year. ARI in Nepal continues to be one of the major causes ofchildhood morbidity and mortality. A community based cross-sectional study wasconducted to identify the knowledge and practices of ARI case management inrural community people. This was community based cross sectional study carriedout in Bacchauli Village Development Committee (VDC) of Chitwan District ofNepal.  A total of 132 mothers wereinterviewed with pre-tested, semi-structured interview schedule in the studyusing proportionate random sampling technique. For collecting data, selected householdswere visited by 22 June to 30 July 2011. Data were analyzed using SPSS version18. More than two fifth (41%) of study the mothers were 20 to 24 years-old agegroup and most (90.9%) of them were housewives. Almost all (94%) studypopulation had known about ARI, and they reported as ARI when chill coughs(78%), followed by running nose (71%) and sore throat (39%). Most (90%) of themreported pneumonia as a serious disease and only 48% had knowledge about itssign of seriousness. Most of mothers(90% )reported that they providedsupportive treatment at home while only 7% reported that they provided  modern medicines by themselves and commonlyused supportive treatment was Tulasi leaf (ocimum tenuiflorum).  Majority (56%) of mothers take their child nearbyhealth post for treatment and (26%) visit private nursing home. The mothers ofTharu community lacks knowledge on symptoms of severity of ARI, its managementand timely seeking health care. This study suggests that community basedawareness program should be conducted on ARI.
      PubDate: 2014-01-29
      Issue No: Vol. 3 (2014)
  • Fermented Beer-based Bait Attracted Insects Taxa in Songculan Lagoon,
           Songculan, Dauis, Bohol, Philippines

    • Authors: M.C. Hongayo, C.L. Balahay, M.E.P. Cajes, O. Sumampong
      Abstract: Insects are thedominant group of animals that have elongated body with distinct head, thoraxand abdomen that are bilaterally symmetric. Their presences in the ecosystemare mutually benefited by plants for they serve as the main pollinators andseed dispersal. Insects also add in the transmission of disease and parasitismin other animals. This study determined and compared the relative abundanceamong stations and compared the results of the day-and-night sample collectionsof the insect taxa attracted to fermented beer-based bait trap in SongculanLagoon, Songculan, Dauis, Bohol, Philippines. There were five (5) identified insect taxa namely; Blattodea,Coleoptera, Diptera, Hymenoptera and Lepidoptera.
      PubDate: 2014-01-29
      Issue No: Vol. 3 (2014)
  • Occurrence of deoxynivalenol in cereals and cereal based products: a short

    • Authors: A. Tajehmiri, M.A. Aliabadi, R.K. Darsanaki
      Abstract: During recentdecades, the contamination of cereal grains with toxic metabolites of Fusariumspecies has been increasingly documented. Deoxynivalenol (DON) is one of themost common trichothecene toxins produced by F. graminearum. Wheat,rice, corn (maize), oats, barley and other grains used for human and animalconsumption are frequently contaminated with DON. DON affects animal and humanhealth causing vomiting, acute temporary nausea, diarrhea, abdominal pain,headache, dizziness, and fever. In this paper, we reviewed recent studies inDON contamination in cereals and cereal based products.
      PubDate: 2014-01-29
      Issue No: Vol. 3 (2014)
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