Ayman Abdel-Aziz Swelum

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Verified

Ayman verified their affiliation via an institutional email.

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• DVM, MVSc., Ph.D.
• Professor at King Saud University

The objective of this work was to evaluate the possibility of substituting glycerol for ethylene glycol when cryopreserving buffalo semen. Semen of eight buffalo bulls was mixed, pooled, and frozen in one of these four diluents: centrifuged Tris egg yolk glycerol; centrifuged Tris egg yolk ethylene glycol; centrifuged Milk egg yolk glycerol; or cen...

In this study, Borago officinalis flower extract was performed for green synthesis of silver nanoparticles (AgNPs) and Zinc Oxide (ZnONPs). The plant extract played essential roles as a stabilising and reducing agent. The aim of the current study was to evaluate the pharmaceutical applications for green fabricated ZnO NPs and Ag NPs such as antibac...

Objectives: The rise of antibiotic-resistant strains of Staphylococcus aureus in dairy milk products is a global concern, compromising treatment efficacy and highlighting the need for innovative solutions. Therefore, a study was conducted to isolate S. aureus strains (N = 21) from raw milk samples of cows infected with subclinical bovine mastitis....

Background Ticks are blood-feeding ectoparasites that can transmit different diseases in livestock and humans. Globally, 994 tick species are recognized, belonging to three families, that is, Argasidae (220 species), Ixodidae (773 species) and Nuttalliellidae (one species). The current study investigated the impact of geo-climatic conditions on the...

Heat stress is a critical challenge in the poultry industry. It arises when birds are exposed to elevated ambienttemperatures beyond their thermoneutral zone, often exacerbated by high humidity and inadequate ventilation.This condition disrupts the birds’ ability to maintain thermal homeostasis, leading to physiological and behav-ioral changes such...

This experiment examined the potential of olive leaf powder (OLP) as a natural growth enhancer in broiler feed and its influences on growth performance, carcass characteristics, blood parameters, and intestinal bacterial count. A total of 210 one-day-old Arbor Acres chicks were randomly allocated into three groups. The control group was given a bas...

Globally, ruminants contribute largely to the livelihood and supply of quality food for human consumption. However, small ruminants face numerous problems, including infectious diseases, in lower- and middle-income countries (LMIC). Brucellosis is one of the important zoonotic diseases affecting the range of animals caused by Brucella species, incl...

This study was conducted using the first-lactation records of 1092 Vrindavani crossbred cattle to compare the relative efficiency of an artificial neural network (ANN) versus multiple linear regression for predicting the first-lactation 305-day milk yield (FL305DMY). The two input sets used for predicting FL305DMY in the study were input set-1: fir...

In current research study, the antioxidant activity of inorganic selenium (Se) for broilers under induced stress was determined to improve the muscle and tibia bone health as well as tissue mineral retention. The poultry industry is playing a vital role in fulfilling the protein requirement globally. This was obtained by rearing broilers with stand...

Lumpy skin disease (LSD) is an emerging, highly contagious transboundary disease of bovines caused by the Lumpy skin disease virus (LSDV), responsible for substantial economic losses to the dairy, meat, and leather industries in Pakistan as well as various countries around the world. Epidemiological information on LSD is scarce in Punjab, Pakistan....

This study investigated, for the first time, the alterations in the uterine echotexture and blood flow in cyclic and acyclic (inactive ovary) goats using ultrasonography. The study aimed also to evaluate the metabolomic changes in the plasma of cyclic and acyclic goats. Furthermore, the histopathological approach was applied to the specimens of the...

The study investigates the effect of dietary herbal mixture (HM) levels on growing New Zealand White (NZW) rabbits’ performance, carcass characteristics, blood biochemicals, and microbiological characteristics from 5 to 13 weeks of age. In this study, 96 New Zealand White rabbits (male and female ratio 1:1) were used, and they were five weeks old....

[This corrects the article DOI: 10.1371/journal.pone.0305412.].

The members of genus Moniezia are the common parasites of livestock in tropical areas. The tapeworm, Moniezia expansa is commonly found in the gastrointestinal tract of the small and large ruminants. The present study focused on reporting the prevalence of M. expansa in small ruminants of southern Punjab: sheep and goats, in relation with epidemiol...

It has been established that the Hydrazone derivatives have important pharmacological effects. In the first step, hydrazine (NH2NH2) reacts with a compound containing a carbonyl group (C = O) in the presence of ethanol and heat, leading to the formation of hydrazone compound (H1). The second step is the formation of the Schiff base (H2) by the reac...

The purpose of this study was to evaluate the effects of thyme powder (TP), garlic powder (GP), and their combination as natural alternatives to antibiotics on broiler growth performance, blood indices, and carcass characteristics. A completely randomized design was used, with four experimental groups consisting of 264 one-day-old Ross 308 broiler...

Zinc (Zn) and iron (Fe) are necessary for structural and metabolic functions of the body like, immune competence, physical growth, reproductive function, and neurobehavioral development. The deficiency of micronutrients is a severe public health distress in nearly all developing countries which leads to the syndrome of malnutrition mostly in childr...

This experiment was conducted to determine the most suitable glycerol concentration (3 or 6%) and/or non-penetrating cryoprotectants (trehalose and sucrose) for the cryopreservation of buffalo semen, with the aim of enhancing the cryopreservation protocol. Semen of Egyptian buffalo were pooled and diluted with eight Tris extenders supplemented with...

Silver nanoparticles (AgNPs) were produced using diverse techniques, but each had negative implications. Physical procedures are expensive and inefficient, whereas chemical methods are highly poisonous and unstable. Researchers have discovered a novel way to create AgNPs using fungi, bacteria, actinomycetes, and plants. The process is known as bios...

In the current study, we used an environmentally friendly method called pulsed laser irradiation for the preparation of AuNPs and hydroxyapatite NPs alone and as a composite nanomaterials. The optical, morphology, and chemical bonding possessions of prepared AuNPs, hydroxyapatite NPs, and Au-hydroxyapatite composites were studied using different te...

The use of plant extracts as potent reducing agents for the environmentally friendly production of nanoparticles (NPs) has recently attracted the interest of scientists. NPs have received high attention because of their novel properties. The aim of the present study is to biosynthesize zinc oxide nanoparticles (ZnO NPs) using Raphanus sativus and s...

This study investigated the effect of incorporating black soldier fly (BSF) larvae meal and oil on laying hens' performance, egg quality, serum profile, intestinal structure, and gut health. A total of 378 Lohmann laying hens (age 48 wk) were randomly assigned to 6 treatments with 3 replicates of 21 hens each. Following 7 d acclimation, the trail w...

This study aimed to assess the impact of preslaughter handling method and aging on carcass and meat quality traits in goats. Twenty-seven male goats of Ardi breed were assigned into three treatment groups viz., the control (C), ear pulling (EP), and hind-leg pulling (HP). The carcasses were stored for post-mortem aging periods of 1, 7, and 14 days....

This study aimed to discover how using nano artichoke leaf extract Stabilized with zinc Nanoparticles (ZnO-Nano-ALPE) as an alternative to antibiotics and an antioxidant in broiler feed affected their growth, meat quality, and blood. In a completely randomized design experiment, 210 1-day-old chicks (Arbor Acres) were assigned to three trial groups...

This study evaluated the effects of Moringa oleifera leaf powder extract stabilized with zinc nanoparticles (ZnNPs-MLPE) as a natural growth promoter in broiler diets. Randomly assigned 264 one-day-old Ross 308 chicks to four different feeding treatments, with each group being subdivided into six replicates, each comprising 11 unsexed chicks. The c...

This study reports the facile hydrothermal synthesis of pure Bi2WO6 and Bi2WO6\MWCNTs nanocomposite at specific molar ratio 1:2.5 of Bi2WO6:MWCNTs and elucidates their role in modulating the NLRP3 inflammasome pathway via autophagy induction. Comprehensive characterization techniques, including XRD, Raman, UV.Vis PL,FESEM,EDS and TEM, revealed the...

This experiment was designed to explore how different types of probiotics affect the growth, carcass traits, and seasonal variations in growing New Zealand White rabbits (NZW). Two parallel experiments using the same strain of NZW during winter and summer, each alone from 5 to 13 weeks of age. Each experiment uses a total of 125 unsexed rabbits. Th...

This study aimed to discover how Echinacea powder extract (EPE), an antioxidant, affects the growth rate, body composition, and blood parameters in broilers as an alternative to antibiotics. In a completely randomized design study, 4 experimental groups received 280 broiler chicks, 5-days-old (Cobb 500). Each group was distributed into 7 replicates...

The objective of the present study was to ascertain the influence of thyme leaf powder (TLP) on growth rate, carcass features, and blood indicators in broiler diets as a natural antioxidant and antibiotic substitute. A fully randomized design experiment divided 264-day-old broiler chicks (Ross 308) into 4 experimental groups. Six replicates of each...

Background Although blood urine is frequently observed in dromedary camels, little attention is gained and only it was reported as case reports. Aim This study was carried out to examine dromedary camels suffering from red urine syndrome from the points of clinical, etiological, hematobiochemical, ultrasonographic, and pathological characteristics...

The scientific evidence on the effects of consuming organic chicken meat on human health is examined in this review article. Few studies particularly look at the effects of eating organic chicken meat on people’s health. Although the evidence is conflicting, they speculate that consuming organic chicken meat may reduce the incidence of obesity and...

Anaplasma is an intracellular alphaproteobacteria that infects diverse blood cell types in animal hosts including small ruminants. Epidemiological and risk factors information on zoonotic anaplasmosis with respect to anaplasmosis in sheep and goats are scarce. Therefore, the objective of the current study was to estimate the prevalence, risk factor...

This study aimed to investigate the potential of free and nanoprotected rosemary essential oil (REO) as an antibiotic alternative in blood biochemistry, hematology, immune-antioxidant status, intestinal microbiology, and histomorphology of broilers. A total of 420 1-wk-old broiler chicks (Cobb) were randomly allotted into seven treatments, each hav...

This experiment examined how adding mannan-oligosaccharides (MOS) to the diet affected fertility, hatching rates, egg production, carcass characteristics, cost-effectiveness, and immune function in laying hens. One hundred and twenty Mandarah chickens (30 hens and 3 roosters per group) were randomly chosen between 34 and 50 weeks old and divided in...

Simple Summary This study explored the effects of the different dietary combinations of soyhulls and the β-mannanase enzyme on production performance, economics, egg quality, blood biochemicals, nutrient digestibility, and gut health in laying hens during the late peak production phase. Golden brown hens were fed different diets for four weeks, and...

Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease of motor neurons characterized by muscle weakness, muscle twitching, and muscle wasting. ALS is regarded as the third-most frequent neurodegenerative disease, subsequent to Alzheimer's disease (AD) and Parkinson's disease (PD). The World Health Organization (WHO) in 2007...

This study explored the ability of formic acid (FA) to replace antibiotics in broiler chicken diets. It examined how FA affected the chickens' growth, carcass characteristics, blood chemistry, and gut bacteria. The experiment randomly assigned 300 one-day-old (Ross 308) broiler chicks to 5 groups, each divided into 6 replicates with 10 unsexed chic...

Importance: The creation of robust maternal-embryonic interactions and implantation models is important for comprehending the early stages of embryonic development and reproductive disorders. Traditional two-dimensional (2D) cell culture systems often fail to accurately mimic the highly complex in vivo conditions. The employment of three-dimension...

This study investigates the molecular prevalence and phylogenetic characteristics of two prominent blood-borne pathogens, Toxoplasma gondii (T. gondii) and Plasmodium spp., in common quails (Coturnix coturnix) sampled from both wild (N = 236) and farmed (N = 197) populations across four districts (Layyah, Dera Ghazi Khan, Lahore, and Multan) in Pun...

Soft ticks pose significant health risks as vectors of various pathogens. This study explored the spatio-temporal distribution and genetic relationships of the soft tick species Argas persicus infesting domestic hens (Gallus gallus domesticus) across different districts in Pakistan. An examination of 778 hens revealed a notable tick infestation pre...

Bovine mastitis is a widespread and costly disease that affects dairy farming globally, characterized by mammary gland inflammation. Bovine intramammary gland infection has been associated with more than 135 different pathogens of which Staphylococcus aureus is the main etiology of sub-clinical mastitis (SCM). The current study was designed to inve...

Introduction The present study evaluated the effect of preslaughter stress intensities on the behavioral, physiological, blood biochemicals, and hormonal responses in goats. Methods Twenty-seven intact male goats (Ardi breed, 10 months of age, 27 kg liveweight) were divided into three treatment groups viz., the control (C) group, ear pulling (EP)...

An essential research area for scientists is the development of high-performing, inexpensive, non-toxic antibacterial materials that prevent the transfer of bacteria. In this study, pure Bi2WO6 and Bi2WO6/MWCNTs nanocomposite were prepared by hydrothermal method. A series of characterization results by using XRD FTIR, Raman, FESEM, TEM, and EDS ana...

A recent study investigated the potential applications of artificial intelligence (AI) in poultry farming. One area where AI can be helpful is in the early detection of diseases. By analyzing data from various sources, such as sensor readings and health records, AI algorithms can identify potential disease outbreaks or health risks in flocks, allow...

Moringa oleifera (MO), a cultivated species of the Moringa, is known for its high concentration of essential nutrients that promote growth. To assess its impact on rabbits' gut morphometric, behavioural, and physiological parameters, a study was conducted using sixty growing male white New Zealand rabbits at 40 days old. The rabbits were divided in...

In this study, we used in silico techniques to identify available parasite treatments, representing a promising therapeutic avenue. Building upon our computational initiatives aimed at discovering natural inhibitors for various target enzymes from parasites causing neglected tropical diseases (NTDs), we present novel findings on three turmeric-deri...

To investigate the effect of age in male quail on testicular weight and histology, sexual libido and semen characteristics, a study was performed on 100 quails at 10, 16, 22, 28 and 34 weeks of age. The body and testicular weights were significantly ( p < .05) higher at 16 and 22 than at 28 weeks of age. The circumference and diameter of the semini...

The current study aimed to investigate the effect of xylazine sedation (non-sedated versus sedated conditions) and animal temperament on the fetal and maternal hemodynamics during the late stage of gestation in goats. In addition, it aimed to study the concentrations of cortisol and the echotexture of the placentome. Fourteen goats were assigned in...

The objectives of the present study were to investigate the potential effects of purified bee venom (BV) on various aspects of growth, carcass, antioxidant, intestinal bacterial count and economic considerations in rabbits. A total of 240 male rabbits, comprising two distinct breeds (V‐Line and New Zealand White [NZW]), 5 weeks old, with an average...

Background: Hydroponic feeding system enables more effective utilization of the entire plant than typical grazing, which only consumes the plant's shoot. Aim: This study evaluated the effects of feeding maize hydroponic fodder on growth performance, nitrogen balance, nutrient digestibility, hematology and blood metabolites of buffalo calves. Method...

Cryopreservation has adverse effects on sperm function and structure, while nanotechnology can be used to optimize this process. Thereafter, this research aimed to investigate the effects of adding spirulina platensis nanoparticles (SPNP) or selenium-coated spirulina nanoparticles (SPSE) to a freezing extender on the quality of post-thawed bull spe...

The primary aim of this investigation was to assess the occurrence of Toxoplasma gondii infection among sheep and goats in five districts within the southern region of Khyber Pakhtunkhwa province, Pakistan. Additionally, the study aimed to pinpoint potential factors associated with the spread of this infection. Serum samples were gathered from a to...

This study aimed to determine the effects of Coenzyme Q10 (CoQ10) in the freezing medium on functional and oxidative stress parameters and in vitro fertilization (IVF) rate of buffalo sperm. Collected samples were relocated to the laboratory for initial evaluation, gentle dilution in extenders, cooling (4°C, 2 h), equilibration (4°C, 4 h), packagin...

Background Cutaneous leishmaniasis (CL), an emerging vector-borne ailment in Khyber Pakhtunkhwa (KPK), Pakistan, exhibits diverse spread patterns and outbreaks. Methods To comprehend its epidemiology and identify parasite species, we conducted an active survey on suspected CL cases (n=8845) in KPK. Results Microscopy and internal transcribed spac...

The investigation examined the use of willow leaf extract (WLE) on broiler chickens, examining carcass characteristics, cecal microbiota, antioxidants, and blood parameters. In 4 groups of 300 chicks, a basal diet was given for 5 wk, and the first treatment was basal diet (C). The diets for the remaining 3 treatments (WLE150, WLE300, and WLE450) co...

Background Feed additives that increase nutrient availability in feeds have gained a lot of interest. Aim An experiment was conducted to determine whether amylase, protease, and their combined supplementation affected broiler performance. Methods Two hundred eighty broiler chicks were selected and distributed randomly into 28 replicate pens with...

Heat stress negatively impacts the reproductive performance of sheep including the efficiency of estrous synchronization regimens. This study aimed to investigate the potential effects of L-Carnitine (LC) administration on the efficacy of the OvSynch protocol in ewes under summer climatic conditions. Ewes were synchronized for estrus using the OvSy...

This study examined how broilers up to 38 days of age fared regarding growth efficiency and carcass characteristics concerning selenium nanoparticle activities (SeNPs). A total of 180 one-week-old broiler (Cobb 500) chicks without sex were randomly allocated into three groups, each with six replications of 10 chicks. The trial took 38 days to compl...

Camels play important role in the pastoral mode of life by fulfilling basic demands of livelihood. Various pathologies, such as, tuberculosis, hemorrhoids, ascites, increase size of the of the abdomen, gas colic, anemia, and abdominal tumors were treated with animal’s urine, including camels, horses, donkeys, sheep, goats, elephants, and buffalo. T...

The current study aimed to determine the effects of different levels of fermented Juncao grass (FG) on growth parameters, blood constituents, immunity, and antioxidative properties of broilers. A total of 240 (21-d-old) broiler chicks were randomly distributed to four dietary treatments of sixty birds, with six replicate pens and ten birds in each....

Environmental changes have an impact on agriculture, especially the production of poultry. These changes have caused grave concerns that will negatively affect the health and productivity of chickens. We must consider illumination, density, and dietary aspects when determining the optimal environmental conditions for poultry rearing and output. Eac...

Sex reversal of male to female is a characteristic of barramundi (Lates calcarifer), which is affected by several factors, thereby changing the broodstock population. A study was conducted in floating cages in Langkawi, Malaysia, to determine the weight point at the onset of the sex reversal phenomena. A total of 75 female and 55 male adult individ...

Tick and mite infestations pose significant challenges to animal health, agriculture, and public health worldwide. The search for effective and environmentally friendly acaricidal agents has led researchers to explore natural alternatives. In this study, we investigated the acaricidal potential of the Monotheca buxifolia plant extract against Rhipi...

Sperm preservation is a well-established technique in reproductive biotechnology that is widely used to maintain the genetic quality of male individuals. However, there are several factors during the preservation process that can affect the vitality, functionality, and quality of sperm, thereby reducing their fertility potential after thawing. One...

For the evaluation of the effects of various quantities of crude protein (CP) and metabolizable energy (ME) (kcal/kg diet) in Japanese quail lay chicken meals on performance, digestion coefficients, and nutritional value. An experiment was undertaken in the summer season; 216 eight-wk-old Japanese quail laying hens were allocated at random to 1 of...

This study investigated the impact of Arthrospira platensis (A. platensis) as a dietary supplement on growth, carcass criteria, liver and kidney function, lipid profile, and immunity of growing Japanese quails. In a 28-day experiment, 240 unsexed 7-day-old quail chicks were used. The quail chicks were divided into 4 treatment sets, each comprising...

Citrus citrus peeling has a wide range of vitamins and trace minerals that have antioxidant and antimicrobial properties. It is hypothesized that the addition of citrus peeling to broiler quail diets can improve their production performance, humoral immunity, nutrients, and energy utilization. A trial was performed to study the impact of a methanol...

The present study aimed to investigate the efficacy of probiotics and prebiotics in controlling Escherichia coli (E. coli) spp. isolated from chicken. A total of 230 birds representing 19 different commercial breeds were taken from various points. Birds were monitored for postmortem and clinical investigation. Aseptically collected liver samples, l...

Heat stress (HS) is still the essential environmental agent influencing the poultry industry. Research on HS in poultry has progressively acquired growing interest because of increased attention to climate alteration. Poultry can survive at certain zone of environmental temperatures, so it could be considered homoeothermic. In poultry, the normal b...

This study utilized a simple hydrothermal technique to prepare pure BiVO4 and tightly bound BiVO4/multiwalled carbon nanotubes (MWCNTs) nanocomposite materials. The surfactant was employed to control the growth, size, and assembly of BiVO4 and the nanocomposite. Various techniques including X-ray diffraction (XRD), Ultraviolet–visible (UV–vis), pho...

Although fish are rich sources of various trace metals in their bodies, when these metals exceed health safety limits, it becomes a global concern. Fish exposed to trace metal pollution in their aquatic ecosystems can lead to bioaccumulation and transfer to consumers. Monitoring trace metal contamination of fish food is crucial because they can rea...

Chemical composition, amino acids (AAs), and fatty acid (FAs) profiles, and health and nutrition values of breast muscle of ROSS 308 broiler chickens were studied after being slaughtered at 28, 35, 42, and 49 d of age (n = 126 males and 126 females/slaughter age). The slaughter age significantly affected some AAs levels including glutamic acid, val...