12 



BULLETIN" 413_, U. S. DEPAETMENT OF AGEICULTUEE. 



If still in health his value at 16 years is 40 per cent of his maximimi 

 value. At birth he is worth 16 per cent of his maximum value, and 

 there is little change in value between the ages of 5 and 9. 



Figure 5 presents in graphic form the data given in Table VI. 

 This curve differs in some respects from the curves for purebred 



*250 



150 

 u 



100 

 SO 



o 







1 r ^ 1 L r 



(_ HORSES 1 





















A 



„„,-- ' ■ 



^^ 



\ 











/ 



/ 









\ 









/ 













\ 



s. 



/ 



















/ 



! \ 











' 







' 



5 1 2 3 4 5 6 7 8 3 10 II 12 13 14 15 16 

 \ 1 YEARS 



Fig. 5. — Curve showing the influence of age on the values of farm work horses. (Averages of 147 estimates 



by owners.) 



dairy cows and is altogether dilEf erent from the curves for grade dairy 

 cows. As compared with the values given for pure-bred dairy cows 

 of about the same maximum value, the birth value of horses is con- 

 siderably less, the age of maturity a little later, and the old-age value 

 somewhat higher. 



WASHINGTON : GOVEKNMENT PRINTING OFFICE ; 1916 



