ZOOTECHNICS 



What is zootechnics? What subjects are included in the study of 

 zootechnics ? 



Zootechnics refers to the breeding, keeping and general manage- 

 ment of domesticated animals. It includes a study of breeds, breed- 

 ing, feeds, feeding, conformation, type, soundness, etc. 



Give a definition for the following terms : protein, fat, carbohydrates, 

 balanced ration, crude fibre. 



Protein refers to the nitrogen compounds in vegetable and ani- 

 mal foods. About 16 per cent, of protein substances consist of 

 nitrogen. 



Fat is an important constituent of foods. Its presence is deter- 

 mined by submitting the feeding-stuff to the action of ether, which 

 dissolves fat. It is often called ether-extract and is found in seeds 

 more than in coarse foods. Cotton-seed and flax-seed are especially 

 oleaginous. 



Carhohydrates are compounds that are important constituents 

 of food. They are made up of carbon, hydrogen, and oxygen ; the 

 hydrogen and oxygen being in the proportion to form water. They 

 are non-nitrogenous compounds and are present in large proportions 

 in all the common fodders, in the form of starch, sugar, cellulose, 

 etc. 



A balanced ration is one which contains the different nutrients 

 in the proper proportions to meet the physiological requirements of 

 the animal, with the least waste of nutrients. 



Crude fibre is the tough or woody part of plants. It consists 

 mainly of cellulose and is especially abundant in hay and straw. 



What would constitute a normal day's ration for a 1200-pound horse? 

 The following rations should meet the needs of a 1200-pound 

 horse, doing moderate work : 



1 2 3 



10 pounds hay. 10 pounds hay. 10 pounds hay. 



6 pounds corn. 10 pounds oats. 6 pounds oats. 



7 pounds wheat bran. 5 pounds wh. bran. 6 pounds corn. 



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