Reproductive Efficiency - Answers number of live offspring born in a given period
Factors Influencing Reproductive Efficiency - Answers 1) physiology of the animal
2) genetic potential
3) nutrition
4) season of the year
5) other environmental factors
Testis - Answers primary sex organ of the male
Gamete (Sperm) Function - Answers within the testicle, sperm are produced by the seminiferous
tubules
Endocrine Function - Answers within the testicle, testosterone is produced by the interstitial
cells
Epididymis - Answers long tube attached to the side of the testicle that functions as an area for
sperm maturation and storage
Vas Deferens - Answers a tube that transports sperm from the epididymis to the urethra. A
portion of the vas deferens is removed during a vasectomy
Prostate Gland - Answers its secretions nourish and stimulate activity of sperm. opens into the
urethra close to the opening of the bladder
Vesicular Glands - Answers neutralize urine residues and stimulate activity of sperm, large in the
boar, opens into the urethra
Bulbourethral Glands - Answers neutralize urine residues, add volume to the ejaculate, form gel
in boar semen that plugs cervix in sow, opens into the urethra
Urethra - Answers large muscular canal extending from the bladder through the full length of the
penis serving as a passageway from sperm and urine
Penis - Answers organ of copulation in the male and passageway for urine and semen, the free
end of the penis is called the glans penis
Cavernosum Tissues - Answers spongy tissue that fills with blood making he penis ridged and
erect in preparation for mating