ملخصات الابحاث

المجالات البحثية

breeding for immune response

الابحاث العلمية

1 - Laying performance, genetic parameters, and the expression of FSHβ, LHβ, FSHR, and LHR genes in Japanese quails selected for early egg production (2024).

2 - Muscle oxidative stability, fatty acid and amino acid profiles, and carcass traits of broiler chickens in comparison to spent laying hens (2022).

3 - Performance, Blood Lipid Profile, and the Expression of Growth Hormone Receptor (GHR) and Insulin-like Growth Factor-1 (IGF-1) Genes in Purebred and Crossbred Quail Lines (2022).

4 - Reproductive Performance and Culling Rate of Purebred Holstein Cows and Their Crosses With Fleckvieh and Brown Swiss Cows Under Subtropical Conditions (2021).

5 - Oxidative Stability, Carcass Traits, and Muscle Fatty Acid and Amino Acid Profiles in Heat-Stressed Broiler Chickens (2021).

6 - Performance, Carcass Yield, Muscle Amino Acid Profile, and Levels of Brain Neurotransmitters in Aged Laying Hens Fed Diets Supplemented with Guanidinoacetic Acid (2021).

7 - Effects of Chronic Thermal Stress on Performance, Energy Metabolism, Antioxidant Activity, Brain Serotonin, and Blood Biochemical Indices of Broiler Chickens (2021).

8 - Dietary Curcumin Improves Energy Metabolism, Brain Monoamines, Carcass Traits, Muscle Oxidative Stability and Fatty Acid Profile in Heat-Stressed Broiler Chickens (2021).

9 - Effect of cage density on growth rate, carcass traits, muscle amino acid profile, and antioxidant biomarkers of commercial rabbits (2021).

10 - Royal Jelly Improves the Morphology of the Reproductive Tract, Internal Egg Quality, and Blood Biochemical Parameters in Laying Hens at the Late Stage of Production (2021).

11 - Effect of age at the onset of natural molting on carcass traits, muscle oxidative stability, and amino acid and fatty acid profiles in commercial laying hens (2021).

12 - Association of LEPR polymorphisms with egg production and growth performance in Female Japanese quails (2020).

13 - Effects of Guanidinoacetic acid supplements on laying performance, egg quality, liver nitric oxide and energy metabolism in laying hens at the late stage of production (2020).

14 - Folic acid and flaxseed oil supplements in Ossimi ewes: effect on body weight changes, progesterone profile, blood chemistry, and litter traits (2020).

15 - Blood biochemical indices, growth performance and economic efficiency of growing native Baladi and crossbred calves under hot summer conditions (2019).

16 - Effects of dietary curcumin and acetylsalicylic acid supplements on performance, muscle amino acid and fatty acid profiles, antioxidant biomarkers and blood chemistry of heat-stressed broiler chickens (2019).

17 - Impact of dietary supplementation with a synbiotic, organic acids or their combination on growth performance, carcass traits, economic efficiency, jejunum histomorphometry and some blood indices of broiler chickens (2019).

18 - Effect of bee pollen on growth performance, carcass traits, blood parameters, and the levels of metabolic hormones in New Zealand White and Rex rabbits (2019).

19 - Effect of royal jelly on milk composition and blood biochemical parameters in lactating ewes (2019).

20 - Effect of season on hormonal profile and some biochemical parameters at different stages of estrous cycles in Baladi goats (2019).

21 - Impact of space allowance on performance traits, brain neurotransmitters and blood antioxidant activity of New Zealand White rabbits (2019).

22 - Impact of crossing Fayoumi and Leghorn chicken breeds on immune response against Newcastle disease virus vaccines (2019).

23 - Carcass yields, muscle amino acid and fatty acid profiles, and antioxidant indices of broilers supplemented with synbiotic and/or organic acids (2019).

24 - Impact of lactation stage on milk composition and blood biochemical and hematological parameters of dairy Baladi goats (2018).

25 - Survival analysis and seasonal patterns of pregnancy outcomes in Egyptian buffaloes (2018).

26 - Impact of dietary fenugreek seeds on lactational performance and blood biochemical and hematological parameters of dairy goats under hot summer conditions (2018).

27 - Impact of crossbreeding Holstein and Brown Swiss cows on milk yield, composition, and fatty acid profiles in subtropics (2018).

28 - Effects of chronic thermal stress on growth performance, carcass traits, antioxidant indices and the expression of HSP70, growth hormone and superoxide dismutase genes in two broiler strains (2018).

29 - Impact of strain and duration of thermal stress on carcass yield, metabolic hormones, immunological indices and the expression of HSP90 and Myogenin genes in broilers (2018).

30 - Effect of Royal Jelly on behavioural patterns, feather quality, egg quality and some haematological parameters in laying hens at the late stage of production (2018).

31 - Effect of Stocking Density on Growth Performance, Carcass Traits and Some Hematological Parameters of New Zealand White Rabbits (2018).

32 - Association analysis of polymorphism in KiSS1 gene with reproductive traits in goats (2017).

33 - Association of CYP19A1 gene polymorphisms with anoestrus in water buffaloes (2017).

34 - Impact of days in milk at the initiation of ovulation synchronization protocols on the efficiency of first AI in multiparous Holstein cows (2017).

35 - Production and health performance of Holstein, Brown Swiss and their crosses under subtropical environmental conditions (2017).

36 - Economic impacts of calving season and parity on reproduction and production traits of buffaloes in the sub-tropics (2017).

37 - Association analysis of polymorphism in KiSS1 gene with reproductive traits in goats (2017).

38 - Impact of three THI levels on somatic cell count, milk yield and composition of multiparous Holstein cows in a subtropical region (2017).

39 - Physiological and lactation responses of Egyptian dairy Baladi goats to natural thermal stress under subtropical environmental conditions (2017).

40 - Detection of SNPs in growth hormone and insulin like growth factor -1 genes in two divergently selected lines of Japanese quai (2016).

41 - Impact of cage stocking density on egg laying characteristics and related stress and immunity parameters of Japanese quails in subtropics (2016).

42 - The efficiency of new CIDR and once-used CIDR to synchronize ovulation in primiparous and multiparous Holstein cows (2016).

43 - Effect of thermal stress on fertility and egg quality of Japanese quail (2016).

44 - Impact of temperature-humidity index on egg-laying characteristics and related stress and immunity parameters of Japanese quails (2016).

45 - Effects of boldenone undecylenate on growth performance, maintenance behaviour, reproductive hormones and carcass traits of growing rabbits (2016).

46 - Estimation of heterosis and combining ability for some weaning and post-weaning traits in three different breeds of rabbits (2012).

47 - Effects on some immunological traits after crossing three rabbit breeds in Egypt (2010).

48 - قوة الهجين وقدرة التوافق لبعض الصفات الإنتاجية فى أربع سلالات من الأرانب (1900).

49 - قوة الهجين وقدرة التوافق لبعض الصفات المناعية فى أربع سلالات من الارانب (1900).

50 - المقاومة الوراثية لمرض النيوكاسل فى الدجاج (1900).

51 - المقاومة الوراثية لمرض الباستريلا فى الدجاج (1900).

52 - تأثير التغذية على علائق مختلفة فى التوازن الحامضى القاعدى على الأداء الإنتاجى وجودة البيض فى الدجاج البياض الواقع تحت تأثير الاجهاد الحرارى فى المرحلة الأخيرة من الإنتاج""" (1900).

53 - الإختلافات بين نظامى الأقفاص والفرشة العميقة للدجاج البياض وعلاقتها بمستوى التلوث البكتيرى وجودة بيض المائدة" (1900).

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