Which semen evaluation finding most directly indicates progressive sperm movement?
Correct answer: B. Progressive motility
- A. Sperm concentration
- B. Progressive motility
- C. Seminal pH
- D. Ejaculate volume
Explanation
Progressive motility measures the proportion of sperm moving actively forward, which is important for reaching the site of fertilisation. Concentration, pH, and volume describe other semen characteristics and do not directly measure forward movement.
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About Theriogenology and Animal Reproduction
Covers the reproductive anatomy and physiology of male and female domestic animals, including puberty, oestrous cycles, ovulation, fertilisation, pregnancy, parturition and lactation. It also includes artificial insemination, semen evaluation, pregnancy diagnosis, infertility, dystocia and reproductive disorders, with attention to species differences.
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