"أبحاث في علم الطفيليات: دراسات ومقالات | Parasitology Research: Studies and Articles"

"مدونة تقدم دراسات وأبحاثًا علمية متعمقة في مجال الطفيليات، مع التركيز على تأثيراتها في الصحة العامة والبيئة. | A blog providing in-depth studies and scientific research on parasitology, with a focus on its effects on public health and the environment."

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الطفيليات في البيئة: دورها في التوازن البيئي - ابحاث الطفيليات

سبتمبر 09, 2025

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Infection of Farm Animals by Different Types of Lice (Anoplura and Mallophaga) in Saudi Arabia

The study present the sucking lice (Anoplura) that affects local farm animals (goats) in the Eastern Province of the Kingdom of Saudi Arabia (Al-Ahsa). The study recorded the classification of the lice, and its description using optical microscope and scanning electron microscope. The study clarified the exact composition of the species ( Linognathus africanus , Kellogg and Paine,.1911), the shape of the head sack, and the distribution of body bristles. It also showed the shape of the sensory antennae, shape of the leg claws and the structure of the reproductive system ( genitalia). Keywords: Linognathus africanus , lice, Anoplura, goats, Saudi Arabia, SEM Edition: Volume 8 Issue 12, December 2019 Pages: 1868 - 1875

A comparative study on antenna and mouth parts of two species of lice: Menacanthus pallidulius Numann and M.cornutus, Schommer using SEM

January 2004 Souad M Alsaqabi https://www.researchgate.net/publication/233870456_A_comparative_study_on_antenna_and_mouth_parts_of_two_species_of_lice_Menacanthus_pallidulius_Numann_and_Mcornutus_Schommer_using_SEM

Infection of Farm Animals by Different Types of Lice (Anoplura and Mallophaga) in Saudi Arabia

Farm animals are highly important in the economic world. Their products are of high nutritional value; therefore, animals affected by disease pathogens result in heavy losses, most importantly Mallophaga and Anoplura . The study included the most important types of lice ( Mallophaga, Anoplura ) that infect camels, goats and sheep of different age and genus., in the local Eastern Province of Saudi Arabia. The study recorded the average monthly and seasonal lice numbers on sheep and goats. The study showed that the highest percentage of sheep infection during July was 3.99 % for young sheep and 4.01 % for old sheep, both of the male sex, while the female sheep's rate was 3.08 % (young) and 4.03 % (old). The study also showed that the highest percentage of young male goat infection during August was17.93 % and 9.93 % for the old ones, while young infected female goat rate was 14.81 % and 10.08 % for the older ones. The study recorded the presence of two genus of lice (Mallophaga,Anopl...

Sexual Maturation and Fertility in Blue Swimming Crab Portunus pelagicus in The Arabian Gulf, (Saudi Arabia)

Portunus pelagicus , the blue swimmer crab, occupy an important ecological and nutrimental in the world and one of the ten most important group of major economic mariculture and export species in the Arabian Gulf and the Red Sea . The study, which is the first in the eastern region of Saudi Arabia, was conducted in the Coast of El-Khobar city overlooking the Arabian Gulf at the eastern region of Saudi Arabia for a year. It aimed to sexual maturity stages, fecundity and sex ratio, The blue crab in the Arabian Gulf is found to be a predator and scavenger at the same time. Sexual maturity for the males and females hold importance in the continuity of mating. The males reach sexual maturity (in terms of volume) less than females indicating that males mature prior to females. Ovigerous female fecundity is directly proportional to the size. Fecundity ranged between 157443 to 943947 eggs in females. The female: male ratio (1:0.87) deviates from the common marine crustacean ratio of 1:1. Janua...

The Phylogenetic Relationship among Two Species in Different Forms of Nematode in Three Hosts

The random amplified DNA polymers chain reaction (RAPD-PCR) was done for two species of nematode. Which infected both domestic chicken( Gallus gallus ) and pigeon ( Columba livia domestic) Ascaris galli and Ascaridia columbae, respectively. Two were used in PCR reactions. The first primer gave eight bands total patterns for 2-3 bands for each species and the scond primer gave seven patterns for 1-2 bands for each species.each species gave a specific pattern. There were several shared band among them in each primer usedDecember 2006 Conference: 1st Int.Egyptian-Jordanan Conference on Biotechnology and Sustainable Development: Current Status and Future Scenarios ,Egypt –Cairo,11-14,December Souad M Alsaqabi https://www.researchgate.net/publication/233870462_The_Phylogenetic_Relationship_among_Two_Species_in_Different_Forms_of_Nematode_in_Three_Hosts

Identification Studies on Chrysomya Bezziana (Diptera: Oestridae) Larvae Infested Sheep in Eastern Region, Saudi Arabia

Ultrastructure study revealed (Villeneuve, 1914) Chrysomya bezziana that causes myasis in sheep in Saudi Arabia, the studies recorded the exact composition of genus showed differences in morphological characteristics, which cannot be identified using a microscope optical as well in all previous studies the same region as never before studied. Souad M Alsaqabi Keywords: Myasis, SEM, Saudi Arabia, sheep, Chrysomya bezzian Edition: Volume 10 Issue 7, July 2021 Pages: 810 - 818

Isolation of Protozoa Infecting Blood of Animals In Eastern Area of Saudi Arabia by using PCR-RALF

External parasites infection is one of the most important factors that cause disease outbreak in farm animls. The present study included examinationof blood samples for primary blood parasites transmitted to farm animals by ticks. The study recorded three species : Babesia. Motasi, Babesia. ovis, Trypanosoma. congolense, Theileria. lestoquardi, Theileria. annulata, Trypanosoma. vivax. It showed accuracy and sensitivity of the polymerase chain reaction (PCR) test to detect and identify of blood parasites types. Also the study showed the need to use PCR technology to develop a genetic fingerprinting all of species that infect local animals and types of blood parasites in Saudi Arabia which are difficult to identify in terms of their types accurately by conventional methods. This study is considerd the first in this field. vol 55 no3, pp11-20 Alex.J.agric.Res. January 2010 Souad M Alsaqabi https://www.researchgate.net/publication/233869205_Isolation_of_Protozoa_Infecting_Blood_of_AnimalsI...

Morphological Structure of Tegument in Fasciolahepatica Affecting Sheep in Saudi Arabia

Fasciola was one of the first infectious agents to be discovered and implicated an etiologic agent of disease. Fascioliasis is one of the most important parasitic diseases of domestic ruminants causing severe economic losses throughout the world. Additionally, it is increasingly being recognized as an important emerging/re-emerging infection of humans. In this study we used scanning electron microscopy (SEM) and transmission electron microscopy (TEM) techniques to identify and characterize the species of Fasciola present in Saudi Arabia (KSA). This is the first morphological and untrastructural study on Fasciola in the country. Prior to this study, the species of Fasciola in KSA had not been properly identified by any technique. Accurate identification of the species is the initial step for its control, as identification followed by biological and ecological characteri zation is provides the necessary information for field management of the species. Souad M Alsaqabi Keywords:...

Human schistosomiasis in the Kingdom of Saudi Arabia: a review

Schistosomiasis the most important human helminthes infection is a major source of morbidity for people in 76 countries. Schistosoma mansoni and Schistosoma haematobium are endemic in Saudi Arabia. The epidemiology of the disease, the snail intermediate hosts and the governmental successful control efforts are covered in the form of a review. In addition, the major challenges for control of schistosomiasis in the country are discussed. Wael M. Lotfy and Souad M Alsaqabi Journal of Medical Research Institute, 2010 https://www.researchgate.net/publication/233748271_Human_Schistosomiasis_in_the_Kingdom_of_Saudi_Arabia_A_Review

TAXONOMIC STUDY OF TWO GENUS IN LICinognathus Africanus (Kellogg And Paine, 1911) & amp;Bovicola (Damalinia) ovis (Schrank, 1781) BY SCANNINGELECTRONIC MICROSCOPE (SEM)

This study presents the Mallophaga and Anoplura lice which affects farm animals (camels sheep and goats), a local area east of the Saudi Arabia of different ages, races, classes. Study the classification of lice were recorded as using the optical microscope and electronic scanning. The study shows scanning electron microscopy micro-structure of the species: Bovicola (Damalinia) ovis, Linognathus africanus and the study showed the installation of a portfolio of head lice, and the distribution of filament head, chest and abdomen, as shown over the centuries, the difference in the form of remote sensing and Swallows in the sexual lice, the first study in this area. March 2011 Arab Universities Journal of Agricultural Sciences 19(1):25-36 Sara A Aljubran and Souad M Alsaqabi

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