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  1. The objective of this study was to determine the impacts arising from the substitution of prickly pear fruits (Opuntia ficus indica) peels at different levels (0, 5, 10, and 15%) with yellow corn grain in broi...

    Authors: Sherif E. A. Badr, Mohamed Saleh Abdel Fattah and Ahmed Salah Elsaid
    Citation: Bulletin of the National Research Centre 2019 43:195
  2. Agriculture by-products are considered a great potential value for utilization by ruminants as well as rabbits. They usually can be the maintenance and part of the production requirements. However, in developi...

    Authors: Hamed A. A. Omer, Sawsan M. Ahmed, Roshdy I. El-Kady, Aly A. El-Shahat, Mahmoud Y. El-Ayek, Walid S. El-Nattat and Ashraf A. A. Morad
    Citation: Bulletin of the National Research Centre 2019 43:192
  3. Lead-containing glass wastes from crystal factories have environmentally harmful problems. In the current work, the reduction and the feasibility of recycling of such waste through the preparation of glass in ...

    Authors: Esmat M. A. Hamzawy, Samya I. El-Sherbiny and Abdullah M. Saber
    Citation: Bulletin of the National Research Centre 2019 43:191

    The Correction to this article has been published in Bulletin of the National Research Centre 2020 44:13

  4. A study was conducted to investigate changes in oxidative stress indicators of West African dwarf (WAD) goats at different reproductive stages. There are a total of 35 dry does, 30 gravid does at first trimest...

    Authors: Abubakar Olatunji Jimoh, Olayinka Abosede Ojo and Uchechi Daureen Gift Ihejirika
    Citation: Bulletin of the National Research Centre 2019 43:190
  5. Several cultivated areas are irrigated with low-quality waters from the drainage system due to the shortage of suitable source of water for agricultural activities. Most of these drainage waters are contaminat...

    Authors: Sherine M. Shehata, Reham K. Badawy and Yasmin I. E. Aboulsoud
    Citation: Bulletin of the National Research Centre 2019 43:189
  6. Slow-release fertilizers (SRF) are quite numerous, and diverse group of materials are involved in the improvement of the effectiveness of fertilization, mitigation of the negative impact of fertilizers on the ...

    Authors: E. K. Nabila, M. S. Abourayya, Thanaa Sh. M. Mahmoud, R. A. Eisa, Amal M. Rakha and O. A. Amin
    Citation: Bulletin of the National Research Centre 2019 43:188
  7. Toll-like receptors (TLRs) are an important family of receptors that constitute the first line of defense system against microbes. They can recognize both invading pathogens and endogenous danger molecules rel...

    Authors: Salwa Refat El-Zayat, Hiba Sibaii and Fathia A. Mannaa
    Citation: Bulletin of the National Research Centre 2019 43:187
  8. Evaluation of surface runoff is an essential factor in the precision water and soil conservation management through their main extreme impacts on soil properties. The natural resource conservation service curv...

    Authors: E. S. Mohamed, Abdel-Aziz Belal and Mohamed Abu-hashim
    Citation: Bulletin of the National Research Centre 2019 43:186
  9. Tomatoes are now one of the most popular nutrient-dense vegetables in terms of acreage, production, yield, commercial use, and consumption that add to the Bangladesh economy and ultimately reduce poverty. With...

    Authors: Shata Rupa Sinha, Ashutus Singha, Muhiuddin Faruquee, Md. Abu Sayem Jiku, Md. Arifur Rahaman, Md. Ashraful Alam and Mohammad Abdul Kader
    Citation: Bulletin of the National Research Centre 2019 43:185
  10. Nanomedicine contributes to the efficiency of pharmacological treatments and progresses rapidly. The present study was designed to produce exopolysaccharide (BSEPS) from Bacillus subtilis sp. strain reported in o...

    Authors: Manal G. Mahmoud, Mohsen S. Asker, Mohamed E. El Awady, Amal I. Hassan, Nadia A. R. Zaharan and Hanan F. Youssef
    Citation: Bulletin of the National Research Centre 2019 43:184
  11. Chronic infection with Helicobacter pylori is associated with protean manifestations, which vary from no symptoms to multiple gastric diseases. Other H. pylori infections could provide protection against reflux e...

    Authors: Loaa A. Tag Eldeen, Mohamed A. Mohamed, Mohamed M. Awad, Mohamed I. Sheir, Tahany M. Shams and Mustafa M. Ragheb
    Citation: Bulletin of the National Research Centre 2019 43:183
  12. By 2050, the world will need to feed an additional 2 billion people and require 70% more meat and milk. The increasing future demand for livestock products, driven by increases in income, population, and urban...

    Authors: Hamed A. A. Omer, Soha S. Abdel-Magid and Ibrahim M. Awadalla
    Citation: Bulletin of the National Research Centre 2019 43:182
  13. Plasminogen activator inhibitor-1 (PAI-1), which is a part of urokinase plasminogen activation (uPA) system, had been reported to have a crucial role in the development of different types of cancers. The PAI-1 ge...

    Authors: Nader Nemr, Mohamed Mandour, Dahlia Badran, Rania Kishk, Fawzy Attia, Abdullah Hashish and Ahmed Gaber
    Citation: Bulletin of the National Research Centre 2019 43:181
  14. The release of environmental pollutants such as heavy metals due to mining activities has received worldwide condemnation. Therefore, understanding the contamination of both surface and groundwater in Edege-Mb...

    Authors: Mohammed Engha Isah, Nuhu Abdulkadir Abdulmumin, Paul D. Elaoyi and Ephraim Audu
    Citation: Bulletin of the National Research Centre 2019 43:179
  15. Legumes are considered staple foods for many countries in different areas of the world. Cultivation of nematode-resistant newly introduced field pea and cowpea cultivars is an important, cheap, and economical ...

    Authors: Mahmoud M. A. Youssef and Wafaa M. A. El-Nagdi
    Citation: Bulletin of the National Research Centre 2019 43:178
  16. The present work aimed to investigate the impact of partial replacement yellow corn by mango seed kernels (MSK) at different levels of (0, 25, and 50%) on feed and water consumption, water metabolism, nutrient...

    Authors: Hamed A. A. Omer, Mohamed A. Tawila, Sawsan M. Gad and Soha S. Abdel-Magid
    Citation: Bulletin of the National Research Centre 2019 43:176
  17. Strawberry (Fragaria ananassa Duch.) is an economically important crop in Egypt. Yet complex black root rot disease of strawberry caused by Fusarium solani, Rhizoctonia solani, and Pythium sp. can cause considera...

    Authors: Mahfouz M. M. Abd-Elgawad, Ibrahim E. Elshahawy and Farid Abd-El-Kareem
    Citation: Bulletin of the National Research Centre 2019 43:175
  18. The genus Triticum L. includes diploid, tetraploid, and hexaploid species. DNA barcoding is a new method to identify plant taxa by using short sequences of DNA and within a short time. In this investigation, we d...

    Authors: Samira A. Osman and Walaa A. Ramadan
    Citation: Bulletin of the National Research Centre 2019 43:174
  19. The potential effects of two parameters of climatic change conditions (temperature and relative humidity) on the population dynamics of the olive fly across the two ecological areas in Egypt were studied. The ...

    Authors: Ahmed Mohamed Ezzat Abd El-Salam, Sadek Abdel-Wahed Salem, Ragab Shaker Abdel-Rahman, Hoda Hassan El-Behery and Mona Ahmed Magd Elden
    Citation: Bulletin of the National Research Centre 2019 43:173
  20. Mulberry silkworm, Bombyx mori L. is one of the most economically important insect because its production of silk which interfere with many important industries. Diseases of the silkworm, B. mori such as viral, b...

    Authors: Mahmoud S. I. Saad, Enas M. Y. Elyamani and Walaa M. M. Helaly
    Citation: Bulletin of the National Research Centre 2019 43:172
  21. Microbial cultures are extensively used as environment friendly ways for biological control of parasitic pests, including the root-knot nematodes, alternative to the use of chemical nematicides. The present st...

    Authors: Gaziea Mohamed Soliman, Hoda Hussein Ameen, Shadia Mohamed Abdel-Aziz and Ghada M. El-Sayed
    Citation: Bulletin of the National Research Centre 2019 43:171
  22. Guar is an economic crop due to guar gum which is extracted from seeds and is used in several industries such as food, ink, plastics, pharmaceutical industry, and cosmetics. It can also be used as a cover crop...

    Authors: Safaa R. El-Lethy, Iman M. Talaat, Shahira A. Tarraf and Abdalla El Moursi
    Citation: Bulletin of the National Research Centre 2019 43:169
  23. This study was conducted to evaluate the genetic diversity of five peanut cultivars grown under field conditions. A field experiment was conducted using five peanut cultivars (Giza-5, Giza-6, Ismailia-1, Grego...

    Authors: Ghada M. Samaha, M. A. Ahmed and Asmaa R. Abd El-Hameid
    Citation: Bulletin of the National Research Centre 2019 43:168
  24. Cucurbita spp. is a main source of crypto-xanthine, zeaxanthin lutein folates, and natural poly-phenolic flavonoid compounds. Collection and conservation of genetic variability are helpful in genetic advancement ...

    Authors: Adel Ahmed Elshafei, Talal Khaled Alateeq, Rafik Mostafa Habib and Mohamed Ibrahim Motawei
    Citation: Bulletin of the National Research Centre 2019 43:167
  25. The genus Entamoeba has many species that are invasive or non-invasive (E. histolytica, E. dispar, and E. moshkovskii).The invasive E. histolytica is the main pathogenic amoeba in human. Amoebiasis involves sever...

    Authors: Athraa Abd-ulameer Al-Hilfi, Maha Khalil Al-Malak and Muslim Abd-ulrahman Al-Tomah
    Citation: Bulletin of the National Research Centre 2019 43:166
  26. No-tillage is considered as a promising alternative for conventional farming by saving energy input and time, reducing groundwater pollution, and counteracting soil erosion and losses of soil-organic matter. T...

    Authors: Ashutus Singha, Md. Arifur Rahaman, Md. Abu Sayem Jiku, Muhiuddin Faruquee, Md. Ashraful Alam and Shata Rupa Sinha
    Citation: Bulletin of the National Research Centre 2019 43:165
  27. Algal biomass fermentation is one of the promising alternatives for bioethanol production. The bioethanol yield relies on fermentation conditions as the algal biomass amount, the yeast volume (% v/v), and the ...

    Authors: Samar A. El-Mekkawi, Sayeda M. Abdo, Farag A. Samhan and Gamila H. Ali
    Citation: Bulletin of the National Research Centre 2019 43:164
  28. The purpose of this study is to use shotgun next-generation sequencing to unravel the microbial community structure of an agricultural soil, decipher the effects of mercury contamination on the structure of th...

    Authors: Lateef Babatunde Salam, Halima Shomope, Zainab Ummi and Fatima Bukar
    Citation: Bulletin of the National Research Centre 2019 43:163
  29. Chlorella vulgaris (CV) is a natural source of functional antioxidants capable of protecting against oxidative stress; its dietary supplementation in animals can serve as a way of improving animals’ performance a...

    Authors: A. B. Sikiru, A. Arangasamy, I. C. Alemede, S. S. A. Egena and R. Bhatta
    Citation: Bulletin of the National Research Centre 2019 43:162
  30. Electrophoretic SDS-PAGE and SCoT-PCR techniques were used to study the fingerprints and genetic diversity of six Egyptian soybean (Glycine max L.) genotypes (Giza111, Giza21, Giza82, Giza35, Giza22, and Giza83).

    Authors: Walaa A. Rayan and Samira A. Osman
    Citation: Bulletin of the National Research Centre 2019 43:161
  31. Economics and human safety to avoid health risks caused by fungicides are materializing new era of biological pest control. Trichoderma species ranked high among other agents to control complex black root rot dis...

    Authors: Farid Abd-El-Kareem, Ibrahim E. Elshahawy and Mahfouz M. M. Abd-Elgawad
    Citation: Bulletin of the National Research Centre 2019 43:160
  32. Numerous predatory insects were recorded on different plants; some were fed on the floral nectar and others as visitors. Other insects used any plant as a shelter or associated with their prey. Pollinators and...

    Authors: Mohamed Ahmed Gesraha, Amany Ramadan Ebeid and Atef Abd El-Rahman Ali
    Citation: Bulletin of the National Research Centre 2019 43:159
  33. In India, the sand roasting technique is widely used by street food vendors, villagers and cottage industries for making various value-added food products from different cereals, millets and legumes. The tradi...

    Authors: Aruna Jyothi Kora
    Citation: Bulletin of the National Research Centre 2019 43:158
  34. This research was aimed to study the structure of actual investment costs and operating and maintenance costs for raising and distributing ground water through the use of different irrigation methods and for e...

    Authors: Hani El-Shatla, Eman A. Ahmed, Reda Essa and Manal F. Mohamed
    Citation: Bulletin of the National Research Centre 2019 43:157
  35. Today, the using of diode lasers in dentistry has made a significant progress; it increased the speed of treatment, decreased the time of healing, and showed a bactericidal effect. The thermal effects should b...

    Authors: Doaa M. Sadony and Karim Montasser
    Citation: Bulletin of the National Research Centre 2019 43:155
  36. Eggplant (Solanum melongena L.) is one of the important vegetable crops infected by Meloidogyne incognita all over the world, including Egypt. Chemical nematicides frequently cause environmental pollution and tox...

    Authors: Wafaa M. A. El-Nagdi and Hassan Abd-El-Khair
    Citation: Bulletin of the National Research Centre 2019 43:154
  37. The constituents of sweet lemon essential oil (EO) have different biological and medical properties. The exploitation of sweet lemon residues in the production of EO is an important means of increasing natural...

    Authors: Khalid A. Khalid, Ahmed E. El-Gohary and Aisha M. A. Ahmed
    Citation: Bulletin of the National Research Centre 2019 43:152
  38. Implementation of a mandatory insurance scheme depends on several issues, and among them are regulation, management, and program design which are very crucial. Sometimes a well-designed insurance scheme cannot...

    Authors: Shaik Sayed Md Rashidul Hossain and Shoaib Mohammad Salman
    Citation: Bulletin of the National Research Centre 2019 43:151
  39. Finite element analysis was used to evaluate the stress distribution, estimate the residual stresses, bending, and amount of displacement of two nickel-titanium instruments manufactured by the same M-wire tech...

    Authors: Nada Omar, Amira Galal Ismail, Manar Galal, Mohamed H. Zaazou and Mohamed Abdullah Mohamed
    Citation: Bulletin of the National Research Centre 2019 43:148
  40. Agricultural water resources have been limited over the years due to global warming and irregular rainfall in the arid and semi-arid regions. To mitigate the water stress in agriculture, mulching has a crucial...

    Authors: Mohammad Abdul Kader, Ashutus Singha, Mili Amena Begum, Arif Jewel, Ferdous Hossain Khan and Nazrul Islam Khan
    Citation: Bulletin of the National Research Centre 2019 43:147
  41. Ocular toxocariasis is considered a parasitic disease of major socioeconomic importance. In spite of the high prevalence of human toxocariasis (up to 84%) among Egyptian patients, the incidence of ocular toxoc...

    Authors: Nagwa Mostafa El-Sayed and Nagham Gamal Masoud
    Citation: Bulletin of the National Research Centre 2019 43:146
  42. Natural silk is one of the best yarns that attract large number of users and become a very important industry. Mulberry leaves is a natural food of silkworm, therefore scientists have recently incorporated met...

    Authors: Mahmoud S. I. Saad, Walaa M. M. Helaly and El-Sayed A. El-Sheikh
    Citation: Bulletin of the National Research Centre 2019 43:145
  43. Burullus Lake has received a great attention because of its environmental and economic importance for connecting with the Mediterranean Sea through El Boughaz opening. Some of the chemical analyses were perfor...

    Authors: Ahmed A. Melegy, Mohamed S. El-Bady and Husein I. Metwally
    Citation: Bulletin of the National Research Centre 2019 43:143

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