eng
The National Information and Documentation Centre (NIDOC), Academy of Scientific Research and Technology(ASRT)
Journal of Sustainable Agricultural Sciences
2536-9571
2536-958X
2018-09-01
44
3
115
122
10.21608/jsas.2018.5022.1091
15613
Original Article
Effect of Trypsin on The Functional Properties of Salted and Ultrafiltrated Whey Protein Concentrates
Mohamed Ghanimah
m.ghanimah@yahoo.com
1
Eman Ibrahim
e_ibrahim1972@yahoo.com
2
Departement of Dairy Science, Faculty of Agric. Kafr Elsheikh Univ. Egypt
Department of Home Economics,Education College In Dillam, King Sattam Bin Abd Alziz university, K.S.A
This research aimed to study characterizes effect of hydrolysis of whey protein concentrates (WPCs) using trypsin on their functional properties and use of the modified concentrates in the manufacture of yoghurt. Two types of whey were used, salted whey from Domiati cheese manufacture and ultrafiltrated sweet whey from Ras cheese. Whey protein concentrates were produced by precipitation the salted (SWPC) and UF sweet whey (UFWPC) at 90°C / 20 min., and then freeze dried. The prepared whey protein concentrates were treated with trypsin enzyme at concentrations of 0.15, 0.3 and 0.5 g enzyme per 100 g protein. The results showed that the hydrolysis of whey protein concentrates had insignificant effect on the moisture, fat, ash and lactose, while the total nitrogen content and the degree of degradation significantly increased by increasing the concentration of the enzyme. Water and fat absorption capacities were increased by increasing the enzyme concentration and were higher in UFWPC. Emulsification capacity, foaming properties and the ability to form gel were improved by increasing the concentration of the enzyme. Yoghurt was manufactured using the two types of hydrolyzed whey protein concentrates. The replacement of skim milk powder (SMP) with hydrolyzed WPC increased TS, TN and ash content compared to control. Curd syneresis significantly decreased (p≤0.05) in all treatments compared to control, however treatments with UFWPC exhibited the lowest values. The substitution of 50% and 75 % skim milk powder (SMP) with SWPC and UFWPC in order, had no effect on sensory properties of the yogurt.
https://jsas.journals.ekb.eg/article_15613_cb90e8e47a4f09e8a268f59f9ce891e8.pdf
Trypsin
Whey protein concentrates
Solubility
Emulsification
Foaming
yoghurt
Syneresis
eng
The National Information and Documentation Centre (NIDOC), Academy of Scientific Research and Technology(ASRT)
Journal of Sustainable Agricultural Sciences
2536-9571
2536-958X
2018-09-01
44
3
123
133
10.21608/jsas.2018.5292.1101
19718
Comments and Letters to the Editor
Effect of Dietary Probiotic and Citric Acid Addition on Broiler Chicks Performance during Fattening Period
Awad Awad
awad1512@yahoo.com
1
Tageldin Tageldin
toctad@yahoo.com
2
Omar Mohamed Eid
elhady5500@yahoo.com
3
agriculture research center
Damietta Unv.
کلية الزراعة جامعة دمياط
A total of 360 IR broiler chickens used at hatch, weighed and partitioned into equal six experimental groups each of three replicates to investigate the effect of dietary probiotics (PB), citric acid salt (CA) and their mixture addition on productive and physiological parameters at fattening period . Chicks in first group fed experimental diets without any supplement as a control, second group fed diets supplemented with 0.05% PB, third and fourth groups fed diets supplemented with 0.25 and 0.50% CA, respectively, while fifth and sixth groups fed diets supplemented with mixture from PB and 0.25 or 0.50% CA, respectively during experimental period (at hatch up to42 day of age). The results indicated that growth performance traits not significantly influenced by PB and CA addition except for feed intake which significantly (P≤0.05) improved by 0.25% CA than the control. All nutrients digestibility were significantly improved with supplementing CA alone to the diets except for crude fiber. Chicks fed PB or CA and their combination had higher hemoglobin, red and white blood cells count and lymphocytes (L %) than the control, however, heterophils (%) and H/L ratio were significantly decreased. Serum cholesterol and triglycerides were insignificantly decreased by dietary treatments. Economic efficiency was improved for all treated groups than the control. So that, supplementing citric acid by 0.25% alone or in the combination with probiotic (0.05%) to broiler diets could be used to improve growth and physiological performance as well as economic efficiency during fattening period.
https://jsas.journals.ekb.eg/article_19718_2fd17ec00460ee0010f5ef8863e2bf93.pdf
probiotic
Citric acid
Growth
nutrient digestibility
blood chemistry
Broilers
carcass traits
eng
The National Information and Documentation Centre (NIDOC), Academy of Scientific Research and Technology(ASRT)
Journal of Sustainable Agricultural Sciences
2536-9571
2536-958X
2018-09-01
44
3
67
76
10.21608/jsas.2018.4157.1077
12598
Original Article
Economic Study of The Most Important Determinants of Agricultural Development in Egypt
Mahmoud Fawaz
1
Karima Ahmed
2
Aya zafaan
ayazafan2018@gmail.com
3
Agricultural Economic Dept., Faculty of Agriculture, Kafrelsheikh University
Agricultural Economic Institute, Agricultural Research Center
Agricultural Economic Dept., Faculty of Agriculture, Kafrelsheikh University
The State strives to develop the agricultural sector through four axes: horizontal expansion, increasing the vertical productivity of the unit of area and intensification of crop and production of economic crops for export. The problem of research is that the modest rates of agricultural investment. The research relied on descriptive and quantitative analysis, The most important research results were the estimation of the most important indicators of agricultural development in Egypt, such as: Agricultural Investment Rate: The engineering average reached about 0.07 billion pounds during the period of study, - The rate of agricultural intensification, where the engineering average was about 1.77 million feddans during the study period, - The share of agricultural worker of the cultivated area was the engineering average About 1.54million feddans during the study period, - the agricultural worker's share of the cropping area, the engineering average reached about 2.63 million the agricultural average reached about 1398.8 million workers during the study period. The productivity of the agricultural worker reached about 10807.7, with an engineering average of about 20334.65 million workers during the study period. On agricultural investment, where the engineering medium reached about 9.11 billion The measurement of the determinants of agricultural development in Egypt using the Nerloff model and the estimate of the partial adjustment coefficient (λ) was found to be about 0.951 indicating that a large part of the gap between the actual and desired situation is closed within one time period. The most important factors affecting agricultural development through the index of average per capita agricultural income (y) was agricultural credit, Agricultural exports, Agricultural taxes.
https://jsas.journals.ekb.eg/article_12598_2b2fd883217ca03a9e396777ae5e1d7e.pdf
مؤشرات التنمية الزراعية
الاستثمار الزراعي
العمالة الزراعية
نموذج التعديل الجزئ لنيرلوف
عائد الاستثمار
متوسط نصيب الفرد
الدخل الزراعي
العم الزراعي
eng
The National Information and Documentation Centre (NIDOC), Academy of Scientific Research and Technology(ASRT)
Journal of Sustainable Agricultural Sciences
2536-9571
2536-958X
2018-09-01
44
3
77
93
10.21608/jsas.2018.4702.1083
15612
Original Article
Rural Women Knowledge of The Agricultural Extension Recommendations for The Prevention of Dairy Cattle from Some Infectious Diseases in Kafr El Sheikh
Noha Hassan
nelzahy@yahoo.com
1
Somaya Elewady
dr.somya.aaa@outlook.com
2
Agricultural Researcher Center (ARC), Agricultural Extension & Rural Development Research Institute
Head of Extension Section - Veterinary Medicine Directorate of Kafr El Sheikh
The aim of this study was to investigate the knowledge of rural women by the agricultural extension recommendations for the prevention of dairy cattle in some villages of Kafr El-Sheikh Governorate from some infectious diseases i.e., foot and mouth disease, lumpy skin disease, mastitis, and contagious abortion (brucellosis). Three villages i.e., Al Abasia (99 respondents), Kafr Magar (65 respondents), and Kom Al Hajana (50 respondents) from Kafr El-Sheikh governorate were selected based on the number of dairy cattle breeders to carry out the study. The personal questionnaire sheets were used to collect the field data. Different statistical methods were used to present the significantly differences between the mean scores of the respondents. Our results conclude that about 51 % of the total respondents have been characterized by a low level of total knowledge by the technical recommendation for the prevention of the dairy cattle from the foot and mouth disease. About 56 % of the total respondents have been characterized by a medium level of total knowledge by the technical recommendation for the prevention of the dairy cattle from the mastitis disease. About 44 % of the total respondents have been characterized by a medium level of total knowledge by the technical recommendation for the prevention of the dairy cattle from the lumpy skin disease. About 54 % of the total respondents have been characterized by a medium level of total knowledge by the technical recommendation for the prevention of the dairy cattle from the contagious abortion (brucellosis) disease.
https://jsas.journals.ekb.eg/article_15612_c93d2b90318659b4dcb5caff63e9843e.pdf
Rural Women
Dairy cattle diseases
Foot and mouth, Lumpy skin, Mastitis
Brucellosis
Extensional recommendations
eng
The National Information and Documentation Centre (NIDOC), Academy of Scientific Research and Technology(ASRT)
Journal of Sustainable Agricultural Sciences
2536-9571
2536-958X
2018-09-01
44
3
95
107
10.21608/jsas.2018.4781.1085
14221
Original Article
Studying Agricultural Information Sources for Extension Agents in Plant Production Field at El-Behira Governorate
Mahmoud Menisy
mahmoud29482@yahoo.com
1
Adel Elhamoly
a_elhamoly@yahoo.com
2
Mohamed El- Gazaar
mazaar12342017@gmail.com
3
University of Kafr El Sheikh - Faculty of Agriculture - Department of Agricultural Economics - Agricultural Extension Division
Agricultural Economic Dept., Agr. Ext.. Kafrelsheikh Uni.
Faculty of Agriculture, Kafr El-Sheikh University
The objective of this research is to identify the agricultural information resources to extension agents in plant production field at Beheira governorate. This is done by: (a) To determine the degree of exposure of the respondents to the information sources conveying agricultural knowledge in the field of plant production. (B) The degree to which the subjects deal, appropriateness and credibility with the sources of knowledge of agricultural knowledge in the field of plant production. Four distrects were chosen randomly: Damanhour, Abu Homs, Mahmudiya and Shubra Khit. All the agricultural extension workers were surveyed in these four administrative centers. And then a sample of 20% of the total was taken, reaching 50. The percentage of each of the four centers in that sample was determined and a random random sample was drawn from the fact that the agricultural extension lists were in these centers. The main findings were as follows:The majority of the respondents (82%) were the middle and high exposure categories. More than three quarters of the respondents (78%) were of the middle and high categories, the majority of respondents (82%) agree with the appropriate sources of knowledge to them at a medium and high level, and the majority of respondents (82%) recognize the credibility of the sources of agricultural knowledge
https://jsas.journals.ekb.eg/article_14221_d59bb1cb0382820fd903ffe5d8c9b9e5.pdf
Agricultural
Information
Sources
Extension
Agents
In Plant Production Field
El-Behira Governorate
eng
The National Information and Documentation Centre (NIDOC), Academy of Scientific Research and Technology(ASRT)
Journal of Sustainable Agricultural Sciences
2536-9571
2536-958X
2018-09-01
44
3
109
125
10.21608/jsas.2018.5018.1090
19715
Original Article
Application of Breeders to Technical Recommendations in The Field of Raising and Caring for Sheep in Some Villages of Behira Governorate
Tiesseer Bazina
aydesouky@yahoo.com
1
Allam Tantawy
allamtantawy@ygmail.com
2
Agricultural Extension and Rural Development Research Institute- Agricultural Research Center
Agricultural Extension and Rural Development Research Institute - Agricultural Research Center
The research aimed to identifying the level of application of the breeders to the technical recommendations in the field of raising and caring sheep in the Behira Governorate. The largest center in the field of sheep breeding and caring was selected in Wadi al-Natroun. The center contains four main villages; the number of breeders in the four villages was 690. The data were collected using the personal interview and used frequencies, percentages, means, and alpha coefficient .The main results were: About 68.16% of the respondents were medium application of technical recommendations in the field of sheep breeding and caring. Respondents resort to eleven sources to obtain information about sheep breeding and caring and there are four sources that have an advanced ranking were personal experience (90.6%), other breeders (76.1%), neighbors and relatives (73.9%) and the veterinary unit (70.3%). There were 16 obstacles faced by sheep breeders, the main obstacles facing them were the increase in the prices of concentrated feeds (73.2%), the increase in the rental value of agricultural land (69.6%) and the high costs of veterinary treatment (64.5%). Respondents need some extension services and the most needed services are the regular follow-up of sheep (82.6%), providing cheap feed concentrates (81.9%), and continuing awareness of the most important recommendations in the field of sheep breeding (75.4%).
https://jsas.journals.ekb.eg/article_19715_76d17ff7e519a126d2ab216873e1d2ef.pdf
application
technical
recommendations
sheep
breeding
Beheira Governorate
eng
The National Information and Documentation Centre (NIDOC), Academy of Scientific Research and Technology(ASRT)
Journal of Sustainable Agricultural Sciences
2536-9571
2536-958X
2018-09-01
44
3
127
135
10.21608/jsas.2018.5038.1092
19716
Original Article
Economic Study to Expand Greenhouses on The Green Pepper Production
Mourad Moussa
mouradz.moussa@yahoo.com
1
Fatheya Radwan
fatheya.radwan@gmail.com
2
Elsayed Atallah
elsayedatallah@gmail.com
3
Mona Tawfik
maiarali2010@yahoo.com
4
Department of Agric. Econm, Faculty of Agric.,Kafr El-Sheikh Univ.
Department of Agric. Econm, Faculty of Agric.,Kafr El-Sheikh Univ.
Department of Agric. Econm, Faculty of Agric.,Damietta Univ.
Department of Agric. Econm, Faculty of Agric.,Kafr El-Sheikh Univ.
Egypt is seeking to expand the construction of greenhouses as one of the axes of the policy of vertical expansion, For these reasons, the research paper is mainly aims at reviewing the present and expected situation of pepper greenhouse concerning average production and productivity, Qualitative and quantitative methods were utilized to achieve the study purpose, such as, probabilistic models of Data Envelopment Analysis, as well as exponential Function to estimate the growth rates, Primary data through a questionnaire of 45 greenhouses of pepper was collected from Kafr El-Sheikh governorate in addition to secondary data collected from ministry of Agriculture, The main results of the study can be Summarized as follows: The annual growth rate of greenhouse for pepper production has reached about 16% at period (2003-2015), and the average productivity of pepper greenhouse is higher than the open fields by about 6.81 once, The economic efficiency for greenhouse of pepper crop, has revealed about 91.10% for scale of more than 500 squared meters compared with 87.50% for less than 500 squared meters, Increasing the expansion of agricultural green housing to produce pepper, through increasing the acreage by about 25% will increase the production can be doubled, that will increase the production by about 114%, For policy makers the study recommended the necessity to expand the numbers and acreage of the greenhouses of pepper in Egypt because they are more efficient compared with the open fields, this requires increasing the financial funds to farmers and investors.
https://jsas.journals.ekb.eg/article_19716_ed728b145dde98c3a869280bb8adb8b3.pdf
Economic
study
Expand
greenhouse
Green
pepper
production