DEVELOPMENT OF TESTES AND SCROTUM 



15 



P)oa.r - Lon^ Nutrition 

 nee- 8f d&ys 



1 1 i i i i i i i i i ii i i i 



37 



35- 



30 



I I I I I I I I I I I I I I I I I I 1 1 I I I I I LI \, r 



ZS to 20 25 30 3? 37 C 



Time - 1 m/nute intervals 



LJoar - Low Nutrition 

 f\ o e - 105 davs 



I I 1 I I I 1 1 II I I I I I J I I I II I I I II I I I I I I I I I I I I I I I I I I 



37 3S - 30 25 20 20 25 



30 3? 37'C 



B 



oar- 



U ow Nutrition 



/^ge - 1t7 days 



l I 1 l I 1 I I 1 I I 1 I I I I I I 1 1 I I 1 1 1 1 I I I 1 I 1 1 1 I 



7 35 30 ZS 10 20 25 



H 



30 35 3Tt 



Figure 28. Kymograph Records Showing the Effect of Low Nutrition upon Development 

 of Sensitivity to Temperature Changes in the Tunica Dartos Muscle of the Boar. 

 Compare with controls in Figure 27. 



it is possible that the retarding of testicular development was responsible for 

 the slowing up of the development of the tunica dartos. 



Table 9. — The Effect of Low Nutrition upon Development of the 

 Tunica Dartos Muscle of the Boar 



