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Reproduction in Domestic Animals

Reproduction in Domestic Animals

Reproduction in Domestic Animals

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300 N Rawl<strong>in</strong>gs, ACO Evans, RK Chandolia and ET Bagudur<strong>in</strong>g calfhood on serum metabolic hormones, gonadotrop<strong>in</strong>s,and testosterone concentrations, and on testiculardevelopment <strong>in</strong> bulls. 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J Vet MedSci 63, 1303–1307.McAndrews JM, Stroud CM, Macdonald RD, Hymer WC,Deaver DR, 1993: Age-related changes <strong>in</strong> the secretion ofgrowth hormone <strong>in</strong> vivo and <strong>in</strong> vitro <strong>in</strong> <strong>in</strong>fantile andprepubertal Holste<strong>in</strong> bull calves. J Endocr<strong>in</strong>ol 139, 307–315.McAndrews JM, Peters JL, Deaver DR, 1994: Age-relatedchanges <strong>in</strong> the secretion of LH <strong>in</strong> vivo and <strong>in</strong> vitro <strong>in</strong><strong>in</strong>fantile and prepubertal Holste<strong>in</strong> bull calves. J ReprodFertil 101, 453–458.McCarthy MS, Hafs HD, Convey EM, 1979: Serum hormonepatterns associated with growth and sexual development <strong>in</strong>bulls. J Anim Sci 49, 1012–1020.Miyamoto A, Umezu M, Ishii S, Furusawa T, Masaki J,Hasegawa Y, Ohta M, 1989: Serum <strong>in</strong>hib<strong>in</strong>, FSH, LH andtestosterone levels and testicular <strong>in</strong>hib<strong>in</strong> content <strong>in</strong> beef bullsfrom birth to puberty. Anim Reprod Sci 20, 165–178.Pruitt RJ, Corah LR, Stevenson JS, Kiracofe GH, 1986: Effectof energy <strong>in</strong>take after wean<strong>in</strong>g on the sexual development ofbeef bulls. II. Age at first mat<strong>in</strong>g, age at puberty, testosteroneand scrotal circumference. J Anim Sci 63, 579–585.Rawl<strong>in</strong>gs NC, Cook SJ, 1986: Plasma concentrations oftestosterone, androstenedione, dihydrotestosterone, 5alpha-androstane-3alpha,17beta-diol,5alpha-androstane-3beta,17beta-diol,and androsterone <strong>in</strong> bull calves: response tohCG. Can J Anim Sci 66, 975–982.Rawl<strong>in</strong>gs NC, Evans ACO, 1995: Androgen negative feedbackdur<strong>in</strong>g the early rise <strong>in</strong> LH secretion <strong>in</strong> bull calves.J Endocr<strong>in</strong>ol 145, 243–249.Rawl<strong>in</strong>gs N, Hafs H, Swanson LV, 1972: Testicular and bloodplasma androgens <strong>in</strong> Holste<strong>in</strong> bulls from birth throughpuberty. J Anim Sci 34, 435–440.Rawl<strong>in</strong>gs NC, Fletcher PW, Henricks DM, Hill JR, 1978:Plasma lute<strong>in</strong>iz<strong>in</strong>g hormone (LH) and testosterone levelsdur<strong>in</strong>g sexual maturation <strong>in</strong> beef bull calves. Biol Reprod19, 1108–1112.Ó 2008 The Authors. Journal compilation Ó 2008 Blackwell Verlag

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