BIOLOGICAL RELATIONS BETWEEN CAROTINOIDS 191 



TABLE 14. TIIK KI.I .\m>\ HKTWEION ("\I;<>TIN-KI< u AND CAHOTIN-POOU RATIONS AND 

 THE COLOR OK MILK FAT AMU BLOOD SERUM 



'd of 



Cow 



Ayrshire 



Butter Fat Blood Scrum 

 Y< How Red Yellow Red 



Ayrshire 

 .li -rsey 



Ration 



Carotin-poor rations 



I '<if lonsfi'd meal and col lonxvd luills 

 Cottonseed hulls, timothy hay and white 



corn 

 Cottonseed meal, cottonseed hulls, 



timothy hay and yellow corn 

 Cottonseed hulls, corn stover and cot- 



tonseed meal 

 Cottonseed hulls, corn stover and cot- 



tonseed meal 

 Cottonseed hulls, corn stover and cot- 



tonseed mi ';il 

 Cottonseed hulls, corn stover and cot- 



tonseed meal 

 Cottonseed hulls, corn stover and cot- 



tonseed meal 

 Cottonseed hulls, corn stover and cot- 



tonseed meal 



Carotin-rich rations 



Cottonseed meal, cottonseed hulls, 



timothy hay, yellow corn and carrots 

 Mixed grain, green alfalfa hay and 



fresh pasture grass 

 Mixed grain, green alfalfa hay and 



fresh pasture grass 

 Mixed grain, green alfalfa hay and 



fresh pasture grass 

 Mixed grain, green alfalfa hay and 



fresh pasture grass 

 Mixed grain, green alfalfa hay and 



fresh pasture grass 

 Mixed grain, green alfalfa hay and 



fresh pasture grass 



TABLE 15. THE RELATION BETWEEN CAROTIN-POOR AND CAROTIN-RICH RATIONS AND 

 THE COLOR OF THE ADIPOSE TlSSUB OF DAIRY CATTLE DEPOSITED DURING THE 



FEEDING OF THESE RATIONS 



Color of Adipose Tissue 



Carotin-rich Ration Carotin-poor Ration 

 Source of Adipose Tissue Yellow 



Inside of rib ........................ 50.0 



Mesentery .......................... 47.0 



Thoracic cavity ..................... 29.0 



Around ovaries and uterus .......... 49.0 



Attached to omasum ................ 33.0 



In pelvic cavity .................... 50.0 



Around kidney ..................... 54.0 



Over last rib ....................... 47.0 



Over outside chuck ................. 47.0 



-The color of the butter fat was determined by matching a 1-iuch layer of rendered 

 melted fat with tile color qlnsses of the Lovibond tintometer. 



'The color of the blood serum was determined by matching the extract from 10 cc. 

 of serum in 12.5 cc. volume and 1-inch layer with the color glasses of the Lovibond 

 tintometer. 



* The color readings were taken on a 1-inch layer of rendered, melted fat, using the 

 Lovibond tintometer. 



Ayrshire 



Holstein 



Jersey 



