This study was aimed to obtain the considerable amount of the biosurfactant (rhamnolipid) from local isolate of Pseudomonas aeruginosa on industrial-scale. A 7L laboratory bioreactor was appointed to accomplish this task and all conditions of production were set as previously by batch culture experiments. Bioreactor with 3.5 L working volume was conducted for 120 h to obtain 16 g/L at 30ºC and 6.5 pH. The supernatant of production medium was used to reduce the surface tension of water from 72 to 27 mN/m, and the emulsification index was reached to 67%. The product was extracted with a mixture of solvents, purified by silica gel using a column of glass chromatography (3.5 × 30cm), and c

Herbicides are much more than just chemicals to control weed plants, and they can also influence the ecosystems. So, it is necessary to choose new herbicide with low active ingredients in order to reduce environmental issues, as well as control weed plants. A field experiment was conducted to evaluate the efficiency and to compare two herbicides containing similar active ingredients, Chevalier WG and Atlantis OD, as they contain metsufuron-methyl and iodosufuron-methyl sodium at different rates. Chevalier contains 30 g/l of each active ingredient; whilst Atlantis OD has 10 g/l of metsulfuron-methyl and 2 g/l of iodosufuron-methyl sodium. The results showed that all treatments significantly were active to control the weeds in both

Females of Colobomatus asiaticus Hayward, 1996 have been collected from prepercular canal of silver sillago Sillago sihama (Forsskål, 1775) from Iraqi marine waters during May 2016 and December 2017. The present work confirmed the original description of the species by possessing combination of characters: Short and rounded thoracic lobes and both third leg and genital segment with one seta. The present report Colobomatus asiaticus considered the new record from Iraq. Detail measurements of different body parts of female were given for the first time.

Kappa-Casein gene (CSN3) polymorphisms were investigated in one breed of sheep (Awassi) reared in Babylon City. Genomic DNA was extracted from blood of 51 samples of Awassi ewe by using one primer.  The primer of PCR were sequenced and prepared by Integrated DNA Technologies Company. PCR productions were loaded on gel electrophoresis. The polymorphism of kappa - casein gene was genotyped by Hindlll restriction enzyme (TAKARA), PCR products, Ethidium bromide and 2.5% Agarose gel in horizontal Medi Bio Rad electrophoresis with 0.5 x TBE (100 V. for 60 min.) were loaded to identify of results using Polymerase Chain Reaction - Restriction Fragment Lengt

The Drainage of agricultural land has become a top priority in agriculture, at the level of developing countries it is directly related to human life and economic development of the state. The objective of this article is to quantify and estimate morphological evolution in the medium term. the morphological evolution of the canals under the influence of sedimentary transport processes. The study area consists of agricultural land located in the plain of Bouteldja, in the north-east of Algeria. This zone was developed in 2006 as part of a hydro-agricultural project through the creation of networks of open-air drainage channels, but until now submerged with adjacent farmland. The causes may be: i) the lack of cleaning maintenance s

The aim of this study is extraction, estimation and identification of volatile oil in flowers Cestrum nocturnum plant, and study the antioxidant effect of oil it’s effect  on the chemical properties of minced cattle meat which was stored on fridge to elongation period of cold storage. Steam distillation method was used to extraction volatile oil and gaze  chromatography-Mass (GC-Mass) to estimate quantitative and qualitative active compounds in oil, Using diphenyl-2-picryl-hydrazyl(DPPH) and ascorbic acid as a positive comparison was determined the antioxidant effect. Some chemical testes was done on minced cattle meat by used 200mg\ml from oil under 4˚c for (0,3,7 and 10).The results showed

Cluster analysis was applied in grouping soils based on their scores of the factors controlling soil variation within 718.326 ha area in Al-Hashimiya District that was located in Babil province. Forty five sites were randomly sampled and analyzed for hierarchical cluster analysis which has been used to group samples by using Ward's method and to develop soil maps. The spatial distribution of distinct groups of elements demonstrates the interplay of ECe, Gypsum content, and particle size distribution factors. Cluster analysis appears to be useful for revealing patterns of soil homogeneity and for identifying relationships among soil properties. Numerical analysis may be a helpful supplementary method for

A field experiment was conducted during two seasons Spring and Autums 2014 at the expermeatal field of Field crop Department, College of Agriculture, University of Baghdad to study the importance of Kinetin for some traits of Zea mays L. under water stress condition , by using randomized complete Block Design in the arrangement of a split-plot with three replications . Skipping irrigation elongation T₂, emergence of aers T₃, 10% flowering feminization T₄, milk stage T₅, and dough stage T₆ . All these treatments were irrigated when 85% of the available water was depleted with control treatment T₁ which was irrigated when 50% of the availabl

This study was aimedto evaluate the influence of carrageenan and pectin on jam color during 10 days of cold storage (+ 4 ºC). Jam samples were prepared with cherry and apricot fruits and 3 concentrations of gelling agents (0.5 %, 1 % and 2 %). Cherry and apricot jam samples prepared without gelling agent were used as control samples. Pectin, κ-carrageenan and ι-carrageenan were used as gelling agents. The jams were stored in the refrigerator for 10 days. The color of jams was monitored by personal camera, with the usage of image analysis software in three intervals (first day, third day and tenth day). The significant (p<0.05) changes of color during 10 days of storage were measured in all prepared jam samples with emphasis

Bacterial blight caused by Xanthomonas axonopodis pv. punicae (Xap) is a major biotic diseases in pomegranate (Punica granatum L.). In the field survey which lasted 2 year in six different geographical locations, Xap strains from the severely infected plant material collected including DuhokCcenter, around Erbil, Zaxo, south of Duhok, Akre, and Amedi. Xanthomonas was detected from infected plant material and its identity was confirmed by morphological, Microbial and Molecular Characterization. To study its genetic variability and phylogenetic relationship two important loci were targeted namely ITS region of 16s rDNA, 16S rRNA and then a PCR-RFLP was performed for PCR product o

This study was aim to investigate performance of seed drill - fertilizer (GIL-SAX multisem18) was evaluated under two different farming systems (till and no-till) and tractor speeds (5.28, 7.76 and 8.30 km.h^-1). The characteristics were measured including draft force, wheel slip, seed delivery rate, and germination rate. The experiment was organized as a randomized complete block design (RCBD). The significant difference was examined using the least significant difference tests at a P≤0.05. The results showed a minimum draft force and wheel slip under the till system and tractor speed of 5.28 km.h^-1 intera

This study was aimed to investigate the resistance of S. aureus  to different antiseptics.This research indicate that the resistance of S.aureus to antiseptics  is  due to possessing  either the smr gene or the qacA/B genes that  associated with decreased susceptibility to antiseptics there for this study amid to determine the frequencies of S. aureus chloroxylenol resistant isolates and the presence of the  previous genes in these isolates as well as the effect of chloroxylenol on the expression of these genes.189 clinical isolates isolated from skin infections  identified as S. aureus in Baghdad by microscopical and biochemical tests. The chloroxylenol resistance S. aureus isolates was identified and

The current study was aimed to evaluate the biological activity of mannoprotein produce from local isolate S. cerevisiae BY. The results of purified mannoprotein using gel filtration chromatography revealed higher ratio of protein to mannose reached to 87.1%. FTIR indicated the presence of C-H and O-H bands could be due to the protein and carbohydrate components, respectively.C=N band due to acylated amino sugars frequently found in glycoproteins, HPLC indicated the presence of mannoprotein to 12 kinds of amino acid.Antibacterial, anti-adhesion and anti-biofilm activities of mannoprotein were evaluated against some pathogenic bacteria. Mannoprotein showed slightly inhibition zones ranged (10to14mm) and(9to 13mm) against

The aim of the study investigates the molecular diagnosis between (the Avian encephalomyelitis virus and Newcastle disease virus and differentiating the infected from vaccinated animals (DIVA) strategies. The 1^st detection by RT-PCR for(PMV-1) as primary detection then, the samples were prepared as in FTA card Whatman^® and sent to (AniCon Labs) Germany to detect by one step RT-PCR (DIVA technique) between NDV and AEV   genotype. The result of the molecular investigation as primary detection revealed three samples were positive with Ct values (34.0, 26.6, and 35.8) respectively. Then, in the detection of AEV the result showed all samples were negative. finally, by using (DIVA) with two primers to detect ge

The  aim of this research is to development the effectiveness of extension service  to meeting  the requirements of buffalo breeders in Iraq. The research was concluded in four fields: the first field: Development and adopting an appropriate orientation. It included four axes: Diversifying sources of extension services, comprehensiveness, decentralization, modernization of the work method. Second Field: Organizational Development. It included two axes: strengthening specialized organization (formation of specialized guidance units), capacity development.  Third Field: Service Feasibility Development. It includes five axes: service based on the requirements of breeders and the

 This experiment was carried out at College of Veterinary Medicine, University of Sulaimani. Microscopically, no adverse histopathological changes were seen in the kidneys, liver, gills and intestines of Cyprinus carpio for T2(replacing fishmeal with 5% lentil) and T3 (replacing fishmeal with 10% lentil) in comparison with the control (T1). However, various levels of adverse histopathological changes were seen in the T4(replacing fish meal with 15% lentil) and T5 (replacing fishmeal with 20% lentil). In the kidneys, dilation of the Bowman’s spaces was evidently associated with a decrease in the mesangial cellularity of glomerular tuft. In the liver, congestion of the central vein was apparent together with centril

Rice-fish farming system that is purposed to maximize land use by adding fish farming to its systems. In the Rice-fish farming system, the fish farm serves as a solution to overcome pests so it can provide benefits for the farmers. Fish farm maintenance is considered to be a solution to reduce farmers expenditures in the use of fertilizers. The reason is in the fish-maintaining process, fish will naturally excrete dirt which has a function as organic fertilizer which will increase the fertility of the waters. The purpose of this study was to determine the composition of phytoplankton as well as the physical and chemical quality of the water

The objectives of this work was to study the effect of sex and weight at slaughter on meat quality in the longissimus muscle of Black goat and Meriz goat .Twenty four weaned kids from each breed were divided equally and penned individually into two groups .The 1^st was castrated using rubber ring ,and the 2^nd was left intact ,and was assigned to be slaughtered at 15,20 and 25 kg live body weight .The overall means of  pH, lightness ,redness ,yellowness, drip loss, cooking loss and tenderness were 5.94±0.009 , 46±1.16 , 20.01±0.68 , 35.68±0.78 ,0.25±0.01, 12.17±0.35 ,1.65 <

The research was conducted in Tartous governorate on apple trees cv. Golden Delicious grafted on the rootstock “Malus domestica Borkh”, during two seasons 2019-2020 to study the impact of manual and chemical thinning using foliar boron /zinc spray separately or in combination on some morphological and physiological indicators. The results showed a significant increase in leaf area and its content of total chlorophyll and carotenoids in the second season (low fruit load) compared to the first season (heavy load) due to a rise in vegetative growth and a reduct

The present study was carried out to investigate the effect of folic acid (FA) on the hematological picture of female rabbits treated with methotrexate MTX. A total of twenty female rabbits were used in this study. They were at age 4-5 months. Their body weight ranged between 1-1,200 Kgm. All animals were kept under normal condition. its divided in to four groups and each group consist of five animals as follows ( Control group :5 rabbits were received distilled water, Folic acid group : 5 rabbits were received folic acid at 0.07mg/kg body weight daily, Methotrexate group : 5 rabbits were received methtrexate (0.03 mg/kg body weight  ) three times a week ,  folic acid with Methotrexate

The paper were carried on rice farmers in Al-Najaf Al-Ashraf province. It aimed for studying economical efficiency for a random stratified sample of 5%. 235 forms brand have been collected. The paper depended, to maintain its aims, on using Data Envelopment Analysis (DEA) upon the production and costs functions of farms of the research sample under discussion. Many conclusions have been achieved The results of estimating the technical efficiency upon production function refer that the jasmine Anbar 33, Anbar Al Baraka, 84.2%, 88.9%, 86.4%. The total economic efficiency of these cultivars were 30, 26 and 10, respectively Depending

This study was performed at a private orchard in the Ekmale area of Duhok Governorate, Kurdistan Region, Iraq, during the seasons of 2016 and 2017 to investigate the effects of foliar sprays of three concentrations of aminoplasmal (0, 100, 200 ml.L⁻¹), three concentrations of boron (0, 200, 300 mg. L⁻¹) and three concentrations of zinc (0, 400, 600 mg. L⁻¹) on fruit set and yield characteristics of 14-years old "Halaby" pistachio. The factorial experiment within randomized complete block design was used. Foliar spraying of studied elements was applied at twice during growing seasons. The res

This study was aimed to investigate the combined effect of flushing and hormonal treatment on reproductive aspects of local goats, 60 adult does were divided equally into two groups, the first was fed concentrate plus grazing commencing 3 weeks prior to mating and continue for 4 weeks post mating (flushed) F, whereas the 2nd group was raised on pasture only (P). All does were synchronized using impregnated with 40 mg medroxy acetate for 14 days. Following sponges withdrawn, the flushed and non- flushed does were then sub-divided in to four equal groups, the 1st flushed does were injected with 250 i.u hCG (T1), the 2nd only flushed (T2), the 3rd was only injected with hCG (T3) and the 4th was the control (T4). Res

This study was conducted to evaluate the effect of two types of cryoprotectants and two cryopreservation methods on viability and normal morphology of the immature and in vitro mature of post-thawed buffalo oocytes. The in vitro mature and immature oocytes were kept in the vitrification solution (VS1) for 5 min and the vitrification solution (VS2) for 15 sec. The results revealed that the proportion of buffalo oocytes found to be viable and normal morphology were significantly (P< 0.01) higher in using glycerol which is 76.14% and 55.1%; respectively. We conclude from the present study that the viability and normal morphology of post-thawed buffalo vitrified in vitro matured oocytes were significantl

This study was conducted to show the effect of Hemazole fungicide on the growth and vitality of earthworms when treated with different concentrations of the pesticide (1000,200,40) mg.kgˉ¹ and for periods of (7,14,21,and28)  days, a clear decrease was observed in the growth rate of worms treated with the pesticide with the increase in the time period, and the highest decrease in growth was recorded at the concentration of 40 mg.kgˉ¹ amounted to 83.23% during the third period of rearing (21 days), as for the survival of worms, it was noted that young worms were affected by the three concentrations, and the time period for killing worms 100% was observed a

This experiment was conducted at the poultry \ Animal Production Department - College of Agricultural Engineering Sciences - University of Baghdad, for the period from 22/11/2020 to 2/1/2021 . To study the effect of adding germinated red grains sorghum (GRGS) and raw red grains sorghum(RRGS) as a complete substitute for maize to broiler diets on production performance. 225 broiler chicks were used in this experiment and randomly distributed to five treatments by 45 chicks/treatment with three replicates/treatment , 15 chicks/repl

This study was carried out in Erbil governorate, Iraq during 2020 to estimate the regression relations between the ionic strength of 354 water samples and their electrical conductivity then influence of correcting ion pairs and activity on this relation. Results indicated that electrical conductivity regards as an accurate measure of ionic strength for irrigation water. Correcting ion pairs plus activity had a great effect on the regression values between ionic strength values and electrical conductivity of the studied water samples. Highly significant correlation coefficient was recorded between ionic strength and electrical conductivity before correction and after correcting ion pairs and ion pairs plus activity with the correl

The objective of this study, is characterization of partially purified beta-glucosidase (BGS) extracted from apricot defatted seeds powder. The enzyme was extracted using sodium phosphate solution (0.2M, pH 7) containing 2% sodium chloride with mixing ratio of (1:5 solid: liquid) for extraction period of 3 hours at 4C. The crude extract was precipitated by ammonium sulfate at 20-70% saturation, dialyzed then concentrated.  The specific activity of the enzyme, folds of purification and the enzymatic yield were 5.45 units/mg, 7.8 fold and 84.5%, respectively. The results showed that the optimum conditions for the enzyme activity were at pH 5.5 and 6.5, the optimum temperature for the enzyme’

This study was aimed to decreasing the use of nitrite in Pasterma (sausage in Iraq) in traditional condition, beetroot and milk thistle was used with (75% veal meat and 25% pelvic and kidney fat),the treatment were divide (T1): (0.075 ppm milk thistle with 0.075 ppm beetroot), (T2): (0.075 ppm nitrite with 0.075 ppm milk thistle powder),(T3): (0.075 ppm nitrite with 0.075ppm beetroot powder), (T4):Addition of the synthetic antioxidant Betalyted Hydroxy Anisole (0.01%) BHA. The physical properties resulted in cooking loos, WHC, T3the treatment excelled (8.17)%and 39.12% respectively, Fat oxidation measurements (TBA 3.02 Malone Didehyde/kg, and peroxide value 0.56 mEq/kg fat) inT3 sample show signi

The point of this study was for determine of the optimum conditions and purification of alginate lyase from local isolate of Pseudomonas aeruginosa NA11, and inhibition of enzyme by various plant extracts. Forty local  isolate s of pathogenic Pseudomonas aeruginosa were screened for their ability to produce alginate lyase. Local isolate of P.aeruginosa NA11 showed the maximum efficiency for produce of alginate lyase with high specific activity (14.4 U/mg). Several factors that influence on alginate lyase production from local isolate of P.aeruginosa NA11 were studied, these factors included the type of media, carbon source, nitrogen source