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Reproduction.

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Presentation on theme: "Reproduction."— Presentation transcript:

1 Reproduction

2 Terminology Gamete Gonads Copulate Ejaculation Gestation Parturition
Ovum Sperm Gonads Ovaries Testes Copulate Ejaculation Gestation Parturition Intromission

3 Female Organs Vulva Cervix (neck) Uterus Vagina Labia (lips)
Vestibular glands Clitoris Cervix (neck) Uterus Body Uterine horns (fallopian tubes, oviduct) Ovaries

4 Female Organs Broad ligaments Suspensory ligaments Follicle
Corpus Luteum (CL) Caruncles Cotyledon Placenta-

5 Copulation Induced Ovulators “Tie” Typical breeding  

6 Hormones/Estrous Cycle
Proestrus FSH increase (Follicle stimulating hormone) B. Estrogen Estrus FSH and Estrogen decreases LH increase (Luteinizing hormone) Metestrus Diestrus Progesterone increases Anestrus

7 Reproductive Table Species Estrus Duration/Frequency Gestation Dog Cat
9 days/4-9 months 63 days Cat Induced ovulator Horse 5-6 days/ Spring-Fall monthly 11 months Cows 18 hours/Spring – Fall monthly 9 months Sheep 24-36 hours/Spring – Fall monthly 5 months Goats 24-36 hours/ Spring – Fall monthly Pigs 48-72 hours/ Spring – Fall monthly 3 months, 3 weeks, 3 days Rabbits 32 days Guinea Pigs 1-6 hours/ days Ferrets March-September 44 days Chinchillas 111 days Rats/Mice 14 hours/4-5 days 21 days Hamsters 14 hours/4-6 days 16 days Gerbils 22-24 days Llamas/Alpacas Sugar Gliders 2 days/28 days 16 days prior to fetal migration

8 Male Organs Scrotum (scrotal sac) Testes (Testicles) Spermatic cord
Seminiferous Tubules Epididymis Vaginal Tunic Cremaster muscle Spermatic cord Vas Deferens Seminal Vesicles

9 Male Organs Prostate Gland Bulbourethral gland Urethra Penis
Sigmoid Flexure Os penis Prepuce Bulb of the glans

10 Semen Analysis Spermatozoa To determine fertility Head Midpiece Tail
Count Motility Shape

11 Semen Collection Electroejaculator Manual stimulation Mount a dummy
Redirection from a receptive female

12 Vocabulary Flehmen Vaginitis Amniotic fluid Mammary Lactation Dystocia
Orifice Embryo Orchidectomy Cryptorchid Prostatis Epididymitis Castration Ovarian hysterectomy

13 Pathological Conditions
Adenocarcinoma of the prostate Testicular carcinoma Trichomoniasis Testicular degeneration Broken penis Teaser Bulls Bean Eclampsia

14 Pathological Conditions
Pyometra Metritis Uterine prolapsed Uterine torsion Windsucker Caslicks surgery Retained placenta Hermaphrodite Freemartin Pseudopregnancy


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