More Publications

 

Publications

  • X Liu, Q Dai, EJ Hart, DMW Barrett, NC Rawlings, RA Pierson, & PM Bartlewski (2007). Ultrasonographic characteristics of ovulatory follicles and associated endocrine changes in cyclic ewes treated with medroxyprogesterone acetate (MAP)-releasing intravaginal sponges and equine chorionic gonadotropin (eCG). Reprod. Dom. Anim. 42(4): 393-401.
  • DMW Barrett, PM Bartlewski, R Duggavathi, KL Davies, & NC Rawlings (2006). Suppression of follicle wave emergence in cyclic ewes by supra-physiological concentrations of estradiol-17β and induction with a physiological dose of exogenous ovine follicle-stimulating hormone. Biol. Reprod. 75(4): 633-41.
  • KL Davies, PM Bartlewski, T Epp, DMW Barrett, R Duggavathi, ET Bagu, SJ Cook, & NC Rawlings (2006). Does injection of prostaglandin F2α (PGF2α) cause ovulation in anestrous Western White Face ewes? Theriogenology 66(2): 251-59.
  • R Duggavathi, PM Bartlewski, E Agg, S Flint, DMW Barrett, & NC Rawlings (2005). The effect of the manipulation of follicle‑stimulating hormone (FSH)‑peak characteristics on follicular wave dynamics in sheep: Does an ovarian‑independent endogenous rhythm in FSH secretion exist? Biol. Reprod. 72(6): 1466-74.
  • R Duggavathi, PM Bartlewski, DMW Barrett, & NC Rawlings (2005). The temporal relationship between patterns of LH and FSH secretion, and development of ovulatory-sized follicles during the mid- to late-luteal phase of sheep. Theriogenology 64(2): 393-407.
  • ET Bagu, S Madgwick, R Duggavathi, PM Bartlewski, DMW Barrett, S Huchkowsky, SJ Cook, & NC Rawlings (2004). Effects of treatment with LH or FSH from 4 to 8 weeks of age on the attainment of puberty in bull calves. Theriogenology 62(5):861‑73.
  • DMW Barrett, PM Bartlewski, M Batista-Arteaga, A Symington, & NC Rawlings (2004). Ultrasound and endocrine evaluation of the ovarian response to a single dose of 500 IU of eCG following a 12‑day treatment with progestogen‑releasing intravaginal sponges in the breeding and nonbreeding seasons in ewes. Theriogenology 61(2‑3): 311‑327.
  • PM Bartlewski, R Duggavathi, J Aravindakshan, DMW Barrett, SJ Cook, & NC Rawlings (2003). Effects of a 6-day treatment with medroxyprogesterone acetate after prostaglandin F2α -induced luteolysis at midcycle on antral follicular development and ovulation rate in nonprolific Western White-Faced ewes. Biol. Reprod. 68 (4): 1403-1412.
  • R Duggavathi, PM Bartlewski, DMW Barrett, & NC Rawlings (2003). Use of high-resolution transrectal ultrasonography to assess changes in numbers of small ovarian antral follicles and their relationships to the emergence of follicular waves in cyclic ewes. Theriogenology 60 (3): 495‑510.
  • DMW Barrett, PM Bartlewski, SJ Cook, & NC Rawlings (2002). Ultrasound and endocrine evaluation of the ovarian response to PGF2α given at different stages of the luteal phase in ewes. Theriogenology 58 (7): 1409-1424.