Derar Derar

@qu.edu.sa

Department of Clinical Sciences, College of Veterinary Medicine, Qassim University, P.O. Box 6622, Buraidah, 51452, Saudi Arabia
Qassim University

Derar Derar


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https://researchid.co/dr.mohammad

RESEARCH, TEACHING, or OTHER INTERESTS

Veterinary, Veterinary, Food Animals, Equine
1448

Scholar Citations

21

Scholar h-index

53

Scholar i10-index

RECENT SCHOLAR PUBLICATIONS

  • Serum trace elements associated with different forms of infertility in rams
    MZ Derar Refaat Derar, Ahmed Ali, Tariq Almundarij, Essam Abdel-Elmoniem ...
    Acta Veterinaria Brno 95 (1), 23-30 , 2026
    2026
  • Comparative clinical and epidemiological characteristics, risk factors, and outcomes of uterine torsion in camels, buffaloes, and cattle: a multicenter study
    A Ali, DR Derar, M Rawy, YM Alharbi
    Frontiers in Veterinary Science 13, 1790208 , 2026
    2026
  • Regression models for gestational age prediction and fetal sex estimation in Arabian horses
    A Alaeyeari, DR Derar, YM Alharbi, A Ali
    REPRODUCTION IN DOMESTIC ANIMALS 61 , 2026
    2026
  • Understanding infertility in female dromedary camels: from congenital disorders to management challenges
    A Ali, DR Derar
    REPRODUCTION IN DOMESTIC ANIMALS 61 , 2026
    2026
  • Surgical management of severe uterine torsion in a mid-gestation dromedary camel
    A Ali, DR Derar, M Sadan, HMM Elmoghazy, W Refaai
    REPRODUCTION IN DOMESTIC ANIMALS 61 , 2026
    2026
    Citations: 1
  • Changing patterns of infertility in female dromedary camels in Saudi Arabia: A clinical survey of 633 cases
    A Ali, DR Derar
    REPRODUCTION IN DOMESTIC ANIMALS 61 , 2026
    2026
  • Ovarian hydrobursitis and chlamydial infection in dromedary camels: diagnosis, impact, and management
    A Ali, DR Derar, SA Osman, SA Allam
    REPRODUCTION IN DOMESTIC ANIMALS 61 , 2026
    2026
  • Fetal mummification in an Arabian mare: A rare case with radiographic and histopathological findings
    DR Derar, A Ali
    REPRODUCTION IN DOMESTIC ANIMALS 61 , 2026
    2026
  • Breed-specific ovarian responses to the GnRH agonist in mares: Implications for estrus and ovulation indices
    DR Derar, A Ali
    REPRODUCTION IN DOMESTIC ANIMALS 61 , 2026
    2026
  • Dynamic changes of small, medium, and large follicles during the estrous cycle in thoroughbred mares
    DR Derar, A Ali
    REPRODUCTION IN DOMESTIC ANIMALS 61 , 2026
    2026
  • Umbilical cord torsion as a rare cause of abortion in a dromedary camel: A case report
    M Haridy, A Ali, Y Almerais, DR Derar
    REPRODUCTION IN DOMESTIC ANIMALS 61 , 2026
    2026
  • Doppler Waveform Alterations of the Supratesticular Artery and Associated Semen Biomarkers in Infertile Male Dromedary Camels
    ME Derar Derar, Ahmed Ali, Fahad Alshanbari
    Animals 16 (2), 319 , 2026
    2026
  • Pseudopregnancy in dromedary camels: hematological and biochemical profiles and therapeutic responses
    A Ali, DR Derar, KS Almushawwah, A Elfeky, TS Almzid, YM Alharbi, ...
    Tropical Animal Health and Production 58 (1), 4 , 2026
    2026
  • Granulosa cell tumor in Arabian mares: prevalence, risk factors, clinical and histopathological findings and outcome of surgical removal
    WR Derar Derar, Ahmed Ali, Fahd Al-Sobayil
    Frontiers in Veterinary Sciences , 2025
    2025
  • Fetometry in Arabian horses
    A Ali, DR Derar, AA Alaeyeari, YM Alharbi
    Frontiers in Veterinary Science 12, 1689769 , 2025
    2025
  • Clinical significance of the overgrown follicles in dromedary camels: prevalence, risks, hemodynamics and response to prostaglandin F2α
    DRDYMA Ahmed Ali
    Frontiers in Veterinary Sciences , 2025
    2025
  • Pseudopregnancy in dromedary camels: Characterization, prevalence, and clinical and hormonal properties
    KS Almushawwah, DR Derar, A Ali
    Theriogenology 235, 196-202 , 2025
    2025
    Citations: 7
  • Evaluation of three protocols for ovulation synchronisation and timed insemination in arabian mares
    D Derar, A Ali, A Al-Jibali, M Atieh
    REPRODUCTION IN DOMESTIC ANIMALS 60 , 2025
    2025
  • Fertility indices of dromedary camels in Saudi Arabia
    A Ali, DR Derar
    REPRODUCTION IN DOMESTIC ANIMALS 60 , 2025
    2025
  • Clinical and hormonal characterisation of pseudopregnancy in camels
    A Ali, KS Almushawwah, DR Derar
    REPRODUCTION IN DOMESTIC ANIMALS 60 , 2025
    2025

MOST CITED SCHOLAR PUBLICATIONS

  • Ovarian Follicular Fluid Constituents in Relation to Stage of Estrus Cycle and Size of the Follicle in Buffalo
    DR Abd Ellah, M. R1, Hussein H. A., Derar
    Veterinary World Vol..3(6): 3 (6), 263-267 , 2010
    2010.0
    Citations: 84
  • Clinical, hematological, and biochemical findings of uterine torsion in buffaloes (Bubalus bubalis)
    AKAR A. Ali, R. Derar, H.A. Hussein, M.R. Abd Ellah
    Animal Reproduction Science 126, 168– 172 , 2011
    2011.0
    Citations: 77
  • Forms of Reproductive Disorders in Cattle and Buffaloes in Middle Egypt
    SSH Ali A, Abdel-Razek AK, Derar R, Abdel-Rheem HA
    Reproduction in Domestic Animals 44, 580-586 , 2009
    2009.0
    Citations: 67
  • Seasonal variation of the ovarian follicular dynamics and luteal functions of sheep in the subtropics
    HH Ali A, Derar R
    Theriogenology 66, 463-469 , 2006
    2006.0
    Citations: 56
  • Factors affecting reproductive performance in dromedary camel herds in Saudi Arabia
    A Ali, D Derar, A Alsharari, A Alsharari, R Khalil, TI Almundarij, Y Alboti, ...
    Tropical animal health and production 50 (5), 1155-1160 , 2018
    2018.0
    Citations: 49
  • The effect of parity on the efficacy of an ovulation synchronization (Ovsynch) protocol in buffalo (Bubalus bubalis).
    MG Derar R, Hussein HA, Fahmy S, El-Sherry TM
    Anim Reprod. 9:52-60 9, 52-60 , 2012
    2012.0
    Citations: 39
  • A retrospective study on clinical findings of 7300 cases (2007–2014) of barren female dromedaries
    A Ali, R Derar, F Al-Sobayil, A Al-Hawas, K Hassanein
    Theriogenology 84 (3), 452-456 , 2015
    2015.0
    Citations: 35
  • Dystocia in dromedary camels: prevalence, forms, risks and hematobiochemical changes
    A Ali, D Derar, M Tharwat, MM Zeitoun, FA Alsobyil
    Animal reproduction science 170, 149-156 , 2016
    2016.0
    Citations: 34
  • The postpartum period in dromedary camels: Uterine involution, ovarian activity, hormonal changes, and response to GnRH treatment
    R Derar, A Ali, FA Al-Sobayil
    Animal reproduction science 151 (3-4), 186-193 , 2014
    2014.0
    Citations: 33
  • Reference values for the genitalia of male dromedary before and after puberty using caliper and ultrasonography in subtropics.
    AA Derar Refaat Derar, Hasan Ali Hussein
    Theriogenology 77, 459–465 , 0
    Citations: 33
  • Impotentia generandi in male dromedary camels: clinical findings, semen characteristics, and testicular histopathology
    A Ali, R Derar, F Al-Sobayil, S Mehana, A Al-Hawas
    Theriogenology 82 (6), 890-896 , 2014
    2014.0
    Citations: 31
  • Changes in blood flow in ovine follicles and serum concentration of estradiol 17 beta (E2) and nitric oxide (NO) around the time of ovulation in Ossimi ewes
    TM El-Sherry, R Derar, R Bakry
    Animal reproduction science 138 (3-4), 188-193 , 2013
    2013.0
    Citations: 29
  • Effect of exogenous estradiol Benzoate on uterine blood flow in postpartum dairy cows
    M Rawy, S Mido, HE Ali, D Derar, G Megahed, G Kitahara, T Osawa
    Animal Reproduction Science 192, 136-145 , 2018
    2018.0
    Citations: 27
  • Influence of stimulation by electroejaculation on myocardial function, acid–base and electrolyte status, and hematobiochemical profiles in male dromedary camels
    M Tharwat, A Ali, F Al-Sobayil, R Derar, A Al-Hawas
    Theriogenology 82 (6), 800-806 , 2014
    2014.0
    Citations: 27
  • Serum biochemical and hematological reference values for lactating buffaloes
    MR Abd Ellah, MI Hamed, D RI
    Comparative Clinical Pathology 23 (5), 1179-1188 , 2014
    2014.0
    Citations: 27
  • Ovarian Follicular Dynamics during the Estrous Cycle in Jennies in Upper Egypt.
    RIDHA Hussein
    Veterinary Medicine International , 2011
    2011.0
    Citations: 27
  • Effect of zinc, selenium, and vitamin E administration on semen quality and fertility of male dromedary camels with impotentia generandi
    A Ali, DR Derar, TM Alhassun, TI Almundarij
    Biological trace element research 199 (4), 1370-1376 , 2021
    2021.0
    Citations: 23
  • Serum biochemical and haematological reference values for midterm pregnant buffaloes
    MR Abd Ellah, MI Hamed, RI Derar
    Journal of applied animal research 41 (3), 309-317 , 2013
    2013.0
    Citations: 23
  • ) Effect of transient high-energy diets just after ovulation on ovarian performance and metabolic status in cyclic ewes
    RID W. Senosy, Sh. M. Abdel-Raheem, M. Abd-Allah, S
    Small Ruminant Research 109 (2-3), 69-198 , 2013
    2013.0
    Citations: 22
  • Impotentia generandi in male dromedary camels: FSH, LH and testosterone profiles and their association with clinical findings and semen analysis data
    A Ali, DR Derar, MM Zeitoun, F Al-Sobayil
    Theriogenology 120, 98-104 , 2018
    2018.0
    Citations: 21