| Stage of cycle, incidence, and timing of ovulation, and pregnancy rates in dairy cattle after three timed breeding protocols JA Cartmill, SZ El-Zarkouny, BA Hensley, GC Lamb, JS Stevenson Journal of Dairy Science 84 (5), 1051-1059, 2001 | 329 | 2001 |
| Pregnancy in dairy cows after synchronized ovulation regimens with or without presynchronization and progesterone SZ El-Zarkouny, JA Cartmill, BA Hensley, JS Stevenson Journal of Dairy Science 87 (4), 1024-1037, 2004 | 328 | 2004 |
| An alternative AI breeding protocol for dairy cows exposed to elevated ambient temperatures before or after calving or both JA Cartmill, SZ El-Zarkouny, BA Hensley, TG Rozell, JF Smith, ... Journal of dairy science 84 (4), 799-806, 2001 | 226 | 2001 |
| Transplantation of porcine umbilical cord matrix cells into the rat brain ML Weiss, KE Mitchell, JE Hix, S Medicetty, SZ El-Zarkouny, D Grieger, ... Experimental neurology 182 (2), 288-299, 2003 | 217 | 2003 |
| Effect of sire, age at first calving, season and year of calving and parity on reproductive performance of Friesian cows under semiarid conditions in Egypt MH Hammoud, SZ El-Zarkouny, EZM Oudah Archiva Zootechnica 13 (1), 60, 2010 | 153 | 2010 |
| Supplemental norgestomet, progesterone, or melengestrol acetate increases pregnancy rates in suckled beef cows after timed inseminations JS Stevenson, GC Lamb, SK Johnson, MA Medina-Britos, DM Grieger, ... Journal of animal science 81 (3), 571-586, 2003 | 111 | 2003 |
| Resynchronizing estrus with progesterone or progesterone plus estrogen in cows of unknown pregnancy status SZ El-Zarkouny, JS Stevenson Journal of dairy science 87 (10), 3306-3321, 2004 | 95 | 2004 |
| Conception rates of dairy cows following early not-pregnant diagnosis by ultrasonography and subsequent treatments with shortened Ovsynch protocol JS Stevenson, JA Cartmill, BA Hensley, SZ El-Zarkouny Theriogenology 60 (3), 475-483, 2003 | 66 | 2003 |
| Effect of short‐term supplementation with rumen‐protected fat during the late luteal phase on reproduction and metabolism of ewes NM Hashem, SZ El‐Zarkouny Journal of animal physiology and animal nutrition 98 (1), 65-71, 2014 | 36 | 2014 |
| Oestrous response and characterization of the ovulatory wave following oestrous synchronization using PGF2α alone or combined with GnRH in ewes NM Hashem, SZ El-Zarkouny, TA Taha, ZR Abo-Elezz Small Ruminant Research 129, 84-87, 2015 | 34 | 2015 |
| Presynchronization of estrous cycles before Ovsynch and progesterone in dairy cows: Ovulation, pregnancy rates, and embryo survival SZ El-Zarkouny, JA Cartmill, BA Hensley, JS Stevenson J. Dairy Sci 87, 1024-1037, 2004 | 33 | 2004 |
| Effect of season, month of parturition and lactation on estrus behavior and ovarian activity in Barki x Rahmani crossbred ewes under subtropical conditions NM Hashem, SZ El-Zarkouny, TA Taha, ZR Abo-Elezz Theriogenology 75 (7), 1327-1335, 2011 | 30 | 2011 |
| Involvement of Quebracho tannins in diet alters productive and reproductive efficiency of postpartum buffalo cows SMA Sallam, MFA Attia, ANMN El-Din, SZ El-Zarkouny, AM Saber, ... Animal Nutrition 5 (1), 80-86, 2019 | 26 | 2019 |
| Synchronizing estrus in replacement beef heifers using GnRH, melengestrol acetate, and PGF2α JS Stevenson, GC Lamb, JA Cartmill, BA Hensley, SZ El-Zarkouny, ... J. Anim. Sci 77 (Suppl 1), 225, 1999 | 24 | 1999 |
| Presynchronization of estrous cycles in lactating dairy cows with Ovsynch+ CIDR and resynchronization of repeat estrus using the CIDR SZ El-Zarkouny, JA Cartmill, AM Richardson, MA Medina-Britos, ... J Anim Sci 79 (Suppl 1), 249, 2001 | 19 | 2001 |
| Impact of Quebracho tannins supplementation on productive and reproductive efficiency of dairy cows MFA Attia, ANMN El-Din, SZ El-Zarkouny, HM El-Zaiat, MM Zeitoun, ... Open Journal of Animal Sciences 6 (04), 269, 2016 | 18 | 2016 |
| Impact of essential oils blend on methane emission, rumen fermentation characteristics and nutrient digestibility in barki sheep MG Ahmed, SZ El-Zarkouny, KA El-Shazly, SMA Sallam Journal of Agricultural Science 6 (7), 144, 2014 | 17 | 2014 |
| Effects of calcium salts of fatty acids rich in palmitic and oleic fatty acids on reproduction and serum biochemistry in Barki ewes IS Abd El-Hamid, ANMN El-Din, AA Zaghloul, KA El-Bahrawy, ... Small Ruminant Research 144, 113-118, 2016 | 15 | 2016 |
| Estrus, ovarian, and hormonal responses after resynchronization with progesterone and estrogen in lactating dairy cows of unknown pregnancy status SZ El-Zarkouny, BA Hensley, JS Stevenson J. Dairy Sci 85 (Suppl 1), 98, 2002 | 15 | 2002 |
| Conception rates for standing estrus and fixed-time insemination in dairy heifers synchronized with GnRH and PGF_ {2\alpha} SZ El-Zarkouny Turkish Journal of Veterinary & Animal Sciences 34 (3), 243-248, 2010 | 12 | 2010 |
Adel N. M. Nour El-DinProfessor of Animal Physiology, Faculty of Agriculture, Alexanderia University, Alexandria, Egypt.在 alexu.edu.eg 的电子邮件经过验证
