48 POULTRY PRODUCTION 



3.1 per cent (see Table I) hetweeii l'.)10 ami lOL'O, the farms 

 (leAdtinn' tlieir entire space to chu'k culture increased in 

 nninher and size. This was particnlai'ly true of certain of 

 the New England states. "There arc many jilants in tlie 

 eastern states prowinR from .5000 to 10,000 or lL',000 ducks a 

 year, a numher growing up to 20,0(10 ,and some with an 

 annual production of over ;")(), 000."' This has hecn carried 

 on a relatively large scale on Long Island since ])rior t<i INOO. 

 That this is possible is largely due to the comparati\el\' 

 phlegmatic temperament of ducks, so that they are not so 

 quarrelsome as other sorts of poultry, coupled with their 

 lack of susce])tihility to disease arising from (ilth in tlicir 

 food or (jnartcrs. 



' Robinson, Principles an-l Prantirp of Ponltry Cnitnrp. 



