-
Khan, MIR, Rana MA, and Ahmad N. Ultrasonic monitoring of follicles and corpora lutea during synchronization and superovulation in summer anoestrous Nili-Ravi buffaloes. Pakistan Veterinary Journal 2005; 25:82-86.
-
Warriach HM and Ahmad N. Follicular waves during the oestrus cycle in Nili-Ravi buffaloes undergoing spontaneous and PGF2a-induced luteolysis. (2007) Anim Reprod. Sci. In Press
-
Warriach HM, Channa AA and Ahmad N. Effect of oestrus synchronization methods on oestrus behaviour, timing of ovulation and pregnancy rate during the breeding and low breeding season in Nili-Ravi buffaloes (2007, Submitted to Animal Reproduction Science)
-
Ahmad Z, Anzar M, Shahab M, Ahmad N, and Andrabi, SMH. Sephadex and sephadex ion-exchange filtration improves the quality and freezability of low grade buffalo semen ejaculates. Theriogenology 2003; 59: 1189-1202
-
Hasan S, Andrabi SMH, Munir R, Anzar M, Ahmad N. Effect of a new antibiotic combination on post-thaw motion characteristics of buffalo and Sahiwal bull spermatozoa and bacteriological quality of their semen. Pakistan Veterinary Journal 2001; 21:6-12
-
Rasul Z, Ahmad N, Anzar M. Changes in motion characteristics, plasma membrane integrity, and acrosome morphology during cryopreservation of buffalo spermatozoa Journal of Andrology 2001; 22:278-283
-
Usmani RH, Ahmad N, Parveen S. Effect of sub-clinical uterine infection on uterine involution estrus activity and fertility in postpartum buffaloes. Theriogenology 2001 55: 563-571
-
Rasul Z, Anzar M, Samina J, Ahmad N. Effect of buffering systems on post-thaw motion characteristics, plasma membrane integrity, and acrosome morphology of buffalo spermatozoa. Animal Reproduction Science 2000; 59:31-41.
-
Ahmad N, Townsend EC, Dailey RA, Inskeep EK. Relationships of hormonal patterns and fertility to occurrence of two or three waves of ovarian follicles, before and after breeding, in beef cows and heifers. Animal Reproduction Science 1997; 49:13-28
-
Shahab M, Khurshid S, Arslan M, Ahmad N. Ontogeny of estradiol secretion in Nili-Ravi buffalo bulls. Theriogenology 1993; 39:1235-1243.
-
Ahmad N, Shahab M, Anzar M, Arslan M. Changes in the behaviour and androgen levels during pubertal development of the buffalo bull. Applied Animal Behaviour Science 1991; 32:101-105.
-
Ahmad N, Shahab M, Khurshid S, Arslan M. Pubertal development in the male buffalo buffalo: Longitudinal analysis of body growth, testicular size and serum profiles of testosterone and oestradiol. Animal Reproduction Science 1989; 19:161-170
-
Ahmad N, Ahmad M, Anzar M, Khan IH, Arslan M. Morphology of reproductive organs and related endocrine glands in newborn male buffaloes. Pakistan Veterinary Journal 1988; 8:159-163
-
Ahmad M, Latif M, Ahmad M, Khan IH, Ahmad N, Anzar M. Postmortem studies on infertile buffalo bulls: Anatomical and microbiological findings. Veterinary Record 1985; 117:104-109.
-
Ahmad N, Schrick FN, Butcher RL, Inskeep EK. Effect of persistent follicles on early embryonic losses in beef cows. Biology of Reproduction 1995; 52:1129-1135.
-
Buford, WI, Ahmad N, Schrick FN, Butcher RL, Lewis PE, Inskeep EK. Embrotoxicity of a regressing corpus luteum in beef cows supplemented with progestogen. Biology of Reproduction 1996; 54:531-537
-
Cooperative Regional Research Project NE-161. (Ahmad N, Beam SW, Butler WR, Deaver DR, Duby RT, Elder DR, Griel Jr. LC, Fortune JE, Jones LS, Milvae RA, Pate JL, Revah I, Schreiber Jr. DT, Townson DH, Tsang PCW, Inskeep EK.) Relationship of fertility to patterns of ovarian follicular development and associated hormonal profiles in dairy cows and heifers. Journal of Animal Science 1996; 74:1943-1952