By Wolfgang Jöchle, Donald Ross Lamond (auth.)

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Extra resources for Control of Reproductive Functions in Domestic Animals

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Baltimore 1972. : Reproduction in Camelidae. (Review) J. Reprod. , 22, 3-20,1970. : Reproduction in Female Camel. Anim. Res. , Nat. Res. Centre, Cairo, Egypt, Bulletin 3, 1967. 5-8 months 15- 20 monestrus up 10 30, or with mati ng in 8-9 days interval 10-20 20-28 8-15 d 9-10d if 2-4d unmated 2-4 d if mated 1--7 d 2-6d 5-35 d 1-5 a after beginning of estrus 27 hrs post 32-40 hrs post coitum 26 hrs post coitum 26 hrs post coitum 63 63 52 45-70 390 342-345 342-345 5-8 month 1 --3 next breeding season next breeding season from d 5 postpartum responsive from d 5 postpartum 1sI 1st after weanlng next breeding season next breeding season 1-3 from d 10 postpartum from d 10 postpartum on 30 30 30 45 540 42-50 hrs post coitum coitum 410-411 36-48 12-14 12-14 540 ') if both sexes are kept together ') if kept separately and are joined only for mating 53 conditions, may curb temporarily, but in most cases reversibly, mature reproductive functions.

Signs used see fig. 5. J Ovaries // / Epithel. :~ Epithel. __ -Cervix- ______ _ Muscles . 8. Hormonal and nervous interactions in female animals, immediately before ovulation (1), during ovulation (2) and during commencement of corpora lutea functions. Signs used see fig. 5. control FSH of .. 9. Hormonal interactions in female animals during the corpus luteum phase (1), and the regression of cyclic corpora lutea (2) Signs used see fig. 5. 3* 35 , ~ (A) Oe-stradiol ~ \ Spinal cord (C) ]' . l0. Ovulation-inducing neurohormonal pathways for spontaneous (I) or coitus-induced (11 and 111) ovulation in mammalian species.

D. Ca. meron & K. Griffith: J. ) Kelly, P. A, H. A. Robertson & H. G. Firesen: Nature, London, 248,425-437,1974 (prolactin; placentallactogen). 4 11Conception days ofgestation Parturition 5-'0 21-30 days days Weaning prepartum postpartum Fig. 21. Maternal hormonal blood' coneentrations during gestation, parturition, a 20 days lactation period and after weaning, in the porcine. Adapted from: Ash, R. W. & R. B. Heap: J. Endocr. 64, 141-154, 1975 (estrogens, progesterone and cortieoids). , F. Elsässer, D.

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