Ram Nutrition and Reproduction

Question 1

What is the effect of ewes being underfed during the 2nd half of pregnancy ?

Answer 1

Reduced Steroli cells at birth

Question 2

Nutrition affects on seminiferous tubules:

Answer 2

– Increase length and diameter
– Increase proportion within testis
– Increase proportion of seminiferous
epithelium within tubules

Question 3

Focused feeding is the increased nutrition at critical times - what is the effect of this ?

Answer 3

• ↑ Ovulation
• ↑ Sperm production
• ↑ Postnatal survival
• ↓ Non-productive periods

Question 4

What is the 3 factors that makes up Libido ?

Answer 4

Number of ejaculations
Number of mountings per ejaculations
Reaction time (time to mount an ewe)