Show PASTURING HOGS HOeS I MOST ESSENTIAL interesting and Instructive Experiments Experiments Experiments Ex Ex- Ex- Ex Made With Sows Sows Sows' at Illinois Station SIZE OF LITTER INCREASED USED I popular pular Belief Substantiated That That Young Mothers Produce Smaller Pigs VariatIon Pigs Variation in Length of Germination Period IA A careful study of ot records relating to o the birth of ot litters of ot pigs at atthe atthe the University of lf Illinois reveals re many Le delights for those interested In hog hogI I sing IsIng The rhe litters contained 40 pigs of ot seven distinct breeds e T r e following conclusions are drawn wu wun L fn n bulletin No of ot the University t Illinois agricultural experiment ste ste. Ion on On the whole the belief bellet that young 4 sows produce smaller pigs than do doJer dow doo w- w o der Jer sows is s substantiated Likewise n kt i i Should Be Careful That Pig PigPens Pens Are Clean and Dry d. d h data substantiated popular belief hat fiat up to a 1 certain age about three rears Lars firs there Is an Increase In thed the d Mize Iz of litter as sows grow older The he older sows farrowed per 1 eat ent of dead or immature pigs as corn com corn 1 ed to 81 S1 per cent by the younger n f It t is doubtful whether there are any use nations In farrow attributable to tobe o be season at which pigs are farrowed b t e Increase In inn Litter r 1 In in succeeding litters from the same samey ya y V there was an Increase In number i Sni e per Utter litter itte and In the weight of I z toI individual pigs until the fourth Utter litter t which time the sows were three- three J JOt all one-half one years old he The records obtained from im lit- lit l rs 5 show showed d a wide range 08 98 S to js s In the length of ot gestation period th lih th an nn average of ot days Hower How How- Ad er fr per cent of or the litters were mowed between the one hundred d eleventh and one hundred and ie days The general belief fat at old sows have a gestation period e e. e to three d days ys longer than young- young ws seems to have no po very go good d is s. s Neither Sex Predominates ere was little if It any correlation t Tar tween the length of gestation period d id the birth weight of pigs and the ben ot of pigs In relation to the length shows vs no tendency for fort t her SIX sex to predominate more than I Final ie e a average a size size- of litters was 81 S1 js s. s The average weight of ot aglitter a n litter Jitter s about 20 pounds The average average I gist of ot pigs In litters JitterS with fewer fewers s jhan than the average was pounds I d dIn in litters Utters with more pigs It wasl was to pe l pounds The grand average average of ft pigs was pounds i |