REPORT OF STATE DAIRY COMMISSIONER 413 



Iowa State College and representatives of all the creamery and dairy 

 organizations, we have now amended them so that we think they 

 cover the situation thoroughly. 



MARKET MILK 



The increased production of market milk noted last year has con- 

 tinued during this year and much to my gratification statistics gath- 

 ered by the department show that there has been an increased con- 

 sumption of this valuable food. 



Figures compiled show a 10 per cent increase in the use of mar- 

 ket milk, while the value this year of all market milk sold in the state 

 was $24,664,968.34, as against $24,869,492.83 last year. This is 

 accounted for by a reduction in the price. 



The value of milk in the diet, especially that of children, cannot 

 be overestimated. The experimental evidence which has been ob- 



Plant oils lack vitamine A, without which growth cannot proceed. The 

 rat on the left received 5% of cotton seed oil and the one on the right 1.5% 

 of butterfat instead of cottonseed oil; otherwise the rations were alike and 

 the rats were the same age. 



tained is so overwhelming in its results that every diet should con- 

 tain a liberal amount of milk. Numerous cases are on record where 

 under-weight and under-nourished children have been brought up to 

 normal by adding milk to their diet. Many of our public schools are 

 giving the children milk to drink each day and in every case an im- 

 provement is noted in the studies and the appearance and activity of 

 the children. Milk furnishes the material to make bones and teeth, 

 and keeps the heart beating regularly, strengthening the nerves and 

 every part of the body. It has a growing force which makes weak 

 bodies grow into strong ones and keeps healthy bodies healthy. In 

 addition to the mineral salts and the easily digested proteins con- 

 tained in milk, there are the vitamines so essential to growth and 

 proper development of the body. Many experiments have been con- 

 ducted on animals to show the presence of vitamines in milk, which 



