| Show EGG HATCHING Jmott Fart CrArrIIr tit Effect of Hettt Hnd Cold Tho reports of experiments 1 > Mine Dieudonno upon tile effect cf cold upon the Incubation of eggs published by tile French minister of agriculture are quoted ut considerable length It was found that fowls hatch largei andstrpn ger broods during the months of February Febru-ary March and April than during tho warm months Juno July and August It was also found that the eggs of fowls which were at liberty hitched hotter than those of fowls which wero confined In l tests made with an Incubator It was found that eggs which wero repeatedly loled and armed itched much better bet-ter than those which wero kept at a warm temperature all tho time In one experiment tho egg were cooled by exposing ex-posing thorn to the air IN hours daily I during tha whole period of incubation This treatment retarded the period of incubation for three days This eggs became be-came quite cold and it required about 12 hours to bring them up to 104 degrees r tho temperature of incubation In this experiment 13 out of to eggs batch cd vigorous chickens Tho incubator had previously been used < w 1th unsatisfactory unsatisfac-tory results From II second esperimeut It WWI Inferred In-ferred that tile gradual heating of tho eggs was us essential us tho process of Q2iPlI lH5utyJlvo tss > which had been laid on very warm fu > Inwero placed ill the incnhutor audcx o = cd tonlr as in Iho preceding runs fho temperature wa such that tho rggiwiro warmed 1 np to 104 degrees In two or three hours This temicratnro was maintained uutll ho broo t h itcue 1 The chickens plorccd ho Pilot but they were FO weak that hey died lxforn leaving tile egg It was found < that tho eggs often which n fowl li sittiiih are not till of that paulO empcratuie thoso upon the outsido he lug cooler than tlioi0 which Ho inside |
