Publications by authors named "Shaaban Elnesr"

Nile tilapia () and European sea bass () are economically significant species in Mediterranean countries, serving essential roles in the aquaculture industry due to high market demand and nutritional value. They experience substantial losses from bacterial pathogens and , particularly at the onset of the summer season. The immune mechanisms involved in fish infections by and remain poorly understood.

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Offspring sex ratios in avian species are of significant scientific interest, with implications for evolutionary biology and poultry production. This study investigated sex ratios in Japanese quail (Coturnix japonica), a valuable model for other poultry species due to its rapid generation interval. The study examined the impact of selection over generations, age at first egg (AFE), and body weight at AFE (BW) on offspring sex ratios.

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An experiment was conducted to assess the response of chicks to in-ovo injection of Bacillus subtilis (probiotic), raffinose (prebiotic), and their combinations. The study used 1,500 embryonated eggs allotted to 10 groups/ 6 replicates (150 eggs/group). The experimental treatments were: 1) un-injected control (NC); 2) sham (sterile distilled water) (PC); 3) probiotic 4 × 10CFU/egg (LBS); 4) probiotic 4 × 10CFU/egg (HBS); 5) prebiotic 2 mg/egg (LR); (6 prebiotic 3 mg/egg (HR); 7) probiotic 4 × 10CFU + prebiotic 2 mg/egg (LBS+LR); 8) probiotic 4 × 10CFU + prebiotic 3 mg/egg (LBS+HR); 9) probiotic 4 × 10CFU + prebiotic 2 mg/egg (HBS+LR); and 10) probiotic 4 × 10CFU + prebiotic 3 mg/egg (HBS+HR).

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  • The research investigates the effects of varying levels of Dunaliella salina (DS) on the growth and health of quail, assessing growth rates, carcass quality, and organ function.
  • Quail chicks were divided into four groups, receiving different amounts of DS in their diet, with those fed 0.5 g and 1 g of DS/kg showing the best growth performance and improved lipid profiles.
  • Results indicated that adding DS improved the immune response and overall health of the quail without negatively impacting feed intake or carcass characteristics.
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With the advancement in the egg industry sector, egg quality has assumed great significance in certain countries. Enhancements in the nutritional value of eggs may have direct affirmative consequences for daily nutrient intake and therefore for human health. Thus, affirmative improvement in egg quality boosts consumer preferences for eggs.

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Glyphosate is an ingredient widely used in various commercial formulations, including Roundup®. This study focused on tight junctions and the expression of inflammatory genes in the small intestine of chicks. On the sixth day of embryonic development, the eggs were randomly assigned to three groups: the control group (CON,  = 60), the glyphosate group (GLYP,  = 60), which received 10 mg of active glyphosate/kg egg mass, and the Roundup®-based glyphosate group also received 10 mg of glyphosate.

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This study was conducted to examine the influence of dietary supplementation of biological nano-selenium (BNSe) on productive performance, hematology, blood chemistry, antioxidant status, immune response, cecal microbiota, and carcass traits of quails. In total, 180 Japanese quails (1 week old) were randomly allocated into four groups, with five replicates of nine chicks each in a complete randomized design. The 1 group was fed a control diet without BNSe, and the 2, 3, and 4 treatments were fed diets supplemented with BNSe (0.

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Health-promoting preparations of inanimate microorganisms or their components are postbiotics. Since probiotics are sensitive to heat and oxygen, postbiotics are stable during industrial processing and storage. Postbiotics boost poultry growth, feed efficiency, intestinal pathogen reduction, and health, making them acceptable drivers of sustainable poultry production.

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The effects of in ovo lactoferrin (Lf) injection on some physiological parameters and immune response of posthatch chicks were investigated. Live embryonated Fayoumi chicken eggs (n = 600) were randomly allocated into four groups. The first group as a control was noninjected eggs, the second group was only injected with 0.

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  • The study investigated the effects of powdered SPP on various growth and health parameters in 10-day-old Japanese quail.
  • Birds were divided into five groups, where the control group received a standard diet and others received the diet supplemented with different levels of SPP.
  • Results showed that 4.5% SPP significantly improved weight gain, feed efficiency, digestive enzyme levels, liver function, and overall health metrics compared to the control group.
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Microclimate parameters (ammonia, ambient temperature, heat index, and relative humidity) surrounding birds affect the production and health status of poultry. Therefore, this study aimed to evaluate the impact of adding natural zeolite to the litter of Japanese quail on improving microclimate parameters and its reflection in growth performance, blood gases, and blood biochemical parameters. A total of 1152 chicks were obtained from the same hatch at the 20th selection generation.

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This study aimed to evaluate impacts of dietary probiotics PB6) and humate substances (HS) supplementation on histomorphometry of small intestine and immune organs, blood parameters of growing quail. A total of 216 unsexed quails (seven days old) were randomly distributed to six groups. The 1 group did not receive any supplements (control), 2 group received (CloSTAT: 0.

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Some studies have suggested that dietary medicinal plants or herbs may have a variety of biological functions such as anti-inflammatory, antiallergic, antifungal, antioxidative stress, and anticarcinogenic activities. The present study was undertaken to assess the incorporation of the extract of licorice supplementation on the growth performance, carcass yield, blood indices, and antioxidative capacity in broilers. Three hundred twenty unsexed one-day-old Ross 308 broiler chicks were allocated randomly into four groups.

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This study aimed to evaluate the use of sugarcane bagasse (SCB) as exclusive roughage in lactating buffaloes on digestibility, milk production and composition, and microbial protein. dry matter digestion (IVDMD) and organic matter digestion (IVOMD) for SCB as a replacement for barley straw (BS) of the control ration have been determined. experiment, 55 lactating buffaloes were randomly assigned into five groups.

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  • The poultry feed industry is responding to increased demand for antibiotic-free products and bans on antibiotic growth promoters by exploring alternatives like organic acids, particularly butyric acid.
  • Butyric acid offers various health benefits for poultry by fighting harmful bacteria, promoting beneficial gut bacteria, and serving as an energy source for intestinal cells.
  • The review discusses how butyric acid enhances gut health, improves nutrient digestibility, boosts growth performance and immunity in birds, and also examines its effects on egg quality and osteoporosis.
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This study aimed to examine the impact of the Jerusalem Artichoke extract (JAEx) as a feed additive on the performance, blood biochemistry, antioxidant indices, immunity, and intestinal microbiota in growing Japanese quails. In total, 270 birds were randomly divided into three groups, with six replicates of 15 birds each. The first group was fed a control diet without JAEx.

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  • In ovo injection of Arctostaphylos uva-ursi (Ar. uu.) methanolic extract was found to reduce the harmful effects of aflatoxin B1 (AFB1) on chicken embryos.
  • The study involved 180 ten-day-old embryonated eggs divided into six groups to evaluate the impact on various parameters like embryo weight, tibia measurements, and immune responses.
  • Results showed that embryos treated with Ar. uu. had lower residual yolk sac weights and better growth compared to those exposed to AFB1 alone, indicating Ar. uu. may be effective in countering AFB1 toxicity.
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The present study was conducted to interpret the effect of magnetic field on water pH and calcium form, and evaluate semen quality, fertility and hatchability rates of Fayoumi chickens receiving magnetized drinking water (MDW). A total of 180 Fayoumi chickens (20 roosters + 160 hens), 54 weeks of age, were divided into two groups. The first group served as control, which received regular drinking water, and the second group was treated with MDW.

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The study aimed to investigate the effect of various doses of betaine supplemented dietary on Japanese quail performance, carcass characteristics, and blood chemistry. Therefore, 400 seven days old Japanese quails were classified randomly into four equal groups. Each group was subdivided into five replicates of 20 birds each.

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Betaine can operate as an osmolyte and a methyl donor. Betaine is an osmolyte and a methyl donor. Betaine is likewise a zwitterion with osmotic capabilities that can help an animal cope with osmotic stress.

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This study was aimed to assess the impacts of aloe vera (AV) and clove (Cv) powder supplementation on growth performance, carcass quality, blood biochemistry, and hematology of Japanese quails and studying the possibility of using them as alternatives to antibiotics growth promotors as a natural safe products. Four hundred, 7-d old mixed sex chicks were divided into 4 groups of 5 replicates 20 birds per replicate including (10 males and 10 females). Birds in the control group (T1) were fed a diet containing Enramycin (0.

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Consumers demand clean-label food products, necessitating the search for new, natural antimicrobials to meet this demand while ensuring food safety. This review aimed at investigating the antimicrobial properties of black pepper (Piper guineense) against foodborne microorganisms. The existence of foodborne illness, food spoilage, food waste, the resulting negative economic impact of these issues, and consumer interests have all pushed the food industry to find alternative, safe, and natural antimicrobials to be used in foods and beverages.

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Nano-minerals are used to enhance mineral bioavailability, which helps improve animal growth and health. The use of chemical nano-selenium (Che-SeNPs) has lately attracted great scientific interest, mainly due to its potential benefits for poultry. The current study was conducted to investigate the impact of the dietary supplementation of Che-SeNPs on the growth performance, carcass traits, blood constituents, antioxidant status, immunity, and gut microbiota of Japanese quails.

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