CIHM 
 Microfiche 
 Series 
 (IMonographs) 
 
 ICIUIH 
 
 Collection de 
 microfiches 
 (monographies) 
 
 Canadian Instituta for Historical Microraproductions / Institut Canadian da microraproductions liistoriqua* 
 
Technical and Bibliographic Notes / Notes techniques et bibliographiques 
 
 The Institute has attempted to obtain the t)e8t original 
 copy available for fiiming. Features of this copy which 
 may be bibliographicaiiy unique, which may alter any of 
 the images in the reproduction, or which may 
 significantly change the usual method of fiiming are 
 checKed below. 
 
 □ CokHirsd covers / 
 Couverture de couteur 
 
 D 
 D 
 
 D 
 
 D 
 
 D 
 
 D 
 
 Covers damaged / 
 Couverture endommagto 
 
 Covers restored and/or laminated / 
 Couverture restaurie et/ou pellicul6e 
 
 Cover title missing / Le titre de couverture manque 
 
 Coloured maps / Cartes gtegraphiques en couleur 
 
 Coloured ink (I.e. other than blue or btock) I 
 Encre de couleur (i.e. autre que bleue ou noire) 
 
 Coloured plates and/or illustrations / 
 Planches et/ou illustrations en couleur 
 
 Bound with other material / 
 Relld avec d'autres documents 
 
 Only edition available / 
 Seule Mitlon disponible 
 
 Tight binding may cause shadows or distortion along 
 interior margin / La .dliure serrte peut causer de 
 I'ombre ou de la distorsion le long de la marge 
 int^rieure. 
 
 Blank leaves added during restorations may appear 
 within the text. Whenever possible, these have been 
 omitted from filming / Use peut que certaines pages 
 blanches ajoutdes lors d'une restauration 
 apparaissent dans le texte, mals, lorsque cela 6tait 
 possible, ces pages n'ont pas 6t6 film^s. 
 
 Additional comments / 
 Commentaires suppl^mentalres: 
 
 L'Instltut a microfilm^ le meilleur exemplaire qu'il lul a 
 M possible de se procurer. Les details de cet exem- 
 plaire qui sont peut-4tre unk^ues du point de vue bibli- 
 ographk|ue, qui peuvent modifier une image raproduite, 
 ou qui peuvent exiger une nKxllflcatkm dans la mMho- 
 de normale de fllmage sont indk^ute ckjessous. 
 
 I I CokMjred pages/ Pages de couleur 
 
 I I Pages damaged / Pages endommagdes 
 
 D 
 
 Pages restored and/or laminated / 
 Pages restaurtos et/ou pellteuMes 
 
 Q Pages discotoured, stained or foxed / 
 Pages dteotortos, tachet^es ou pkjutes 
 
 I [ Pages detached / Pages d^tach^es 
 
 I /| Showthrough/ Transparence 
 
 D 
 D 
 
 D 
 
 Quality of print varies / 
 Quality inhale de I'impresston 
 
 Includes supplementary material / 
 Comprend du materiel suppi^mentaire 
 
 Pages wholly or partially obscured by enrata slips, 
 tissues, etc., have been refilmed to ensure the best 
 possible image / Les pages totalement ou 
 pariiellement ot)scurcies par un feuillet d'errata, une 
 pelure, etc., ont 6t6 filmtes k nouveau de fa9on k 
 obtenir la meilleure image possible. 
 
 Opposing page.*!; 'v^*h varying colouration or 
 discolouratlons ai«» filmed twice to ensure the best 
 possible image / Les pages s'opposant ayant des 
 coloratiorj variables ou des decolorations sont 
 filmdes deux fois afin d'ot}tenir la meilleure image 
 possible. 
 
 
 lOx 14x 18x 
 
 
 22x 
 
 
 
 
 26x 
 
 
 
 
 30x 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 y 
 
 
 
 
 
 
 
 
 1 
 
 
 
 
 12x 
 
 
 
 
 ISx 
 
 
 
 
 20x 
 
 
 
 
 24x 
 
 
 
 
 28x 
 
 
 
 
 32x 
 
TlW OO^V nNlMfl IMfW IMS PflMI 
 
 to th* 9«Mro«icy of : 
 
 BMiotntQiH MiMitifiQyc, 
 
 WIHVMHW MJntK, 
 
 
 Tho imofloo op po o ring lioro aro 
 powlblo eofwMorinfl ttio comNtion 
 of ttw origifMl copy and In kooping 
 
 tho boot qiMlltv 
 
 Onglfiol oopMO M pnntofl 
 
 tho loot (lago wMi a 
 •Ion. or tho iMck covor 
 
 pfintod Of Hluotfotod impfoo* 
 
 I WRn o pnmoo or nwoiroioo imprao* 
 •Ion. and ondlng on tho loot pogo with o printod 
 or Wuotrotod Iwpr— Ion. 
 
 Tho loot rocordod framo on ooeh microfleho 
 •hoN contain tho symbol -^ (mooning "CON- 
 TINUED"), or tho symbol ▼ (moaning "END"), 
 whiehovor applioo. 
 
 Mopo. plotao. ehorts. ote.. moy bo fNmod at 
 d i f f ar o n t roduction rotioa. Thooa too lorgo to bo 
 onthroly Includod in ono oxpooura aro fllmod 
 boginning in tho uppor loft bond eomor. loft to 
 right and top to bottom, os mony framoa as 
 raqulrod. Tho following diograms illuatrata tha 
 mothod: 
 
 1 
 
 2 
 
 3 
 
 1 2 
 
 4 5 
 
L'«K«mptoir« fHmt fut rtproduit grien i it 
 0«n4ro«it* d«: 
 
 Mi l lotli<QU> ichnt lf k w 
 UnivtnM Laval, 
 
 Lm iiTi«9M suivantM ont «t« raproduitas avac la 
 plua grand aoln, eompta tanu da la condition at 
 da la nanat* da I'axamplaira film«. at an 
 eofiformit* avac laa condMona du eontrat da 
 fNmaga. 
 
 Laa aKampWraa origlnaux dont la eouvartura an 
 papiar aat imprimto aont film4a an eammancant 
 par la pramiar plat at 9n tarminant salt par la 
 daml^ra paga qui eomporta una amprainta 
 dimpraaalon ou dlNuatradon. aoit par la aacond 
 plat, aalon la caa. Toua laa autraa axamplairas 
 origlnaux aont fHmda an commandant par la 
 pramMra paga qui eomporta una amprainta 
 dimpraaaion ou dINuatration at an tarminant par 
 la damiira paga qui eomporta una talla 
 amprainta. 
 
 Un daa aymbolaa auivanta apparaftra tur la 
 damiira imaga da ehaqua mieroficha. talon la 
 caa: la aymbola -^ aignlfia "A SUIVRE". la 
 aymbola ▼ aignlfia "FIN". 
 
 Laa eartaa. planchaa. tablaaux. ate. pauvant itra 
 filmte i daa taux da riduction dif Mranta. 
 Loraqua la documant aat trap grand pour ttra 
 raproduit an un aaul clicM. il aat filmi A partir 
 da I'angia aupiriaur gaucha. da gaucha i droita, 
 at da haut mn baa, an pranant la nombra 
 d'imagaa nteaaaaira. Laa diagrammaa auivanta 
 iNuatrant la mithoda. 
 
 2 3 
 
 5 6 
 
MMUmON TKT OMIT 
 
 (ANSI and SO TEST CHART No. 2) 
 
 A 
 
 /IPPLIED HVHGE he 
 
 .SS3 Edit U<wt SIrMt 
 Rochastar. N«« rofti 14609 USA 
 ('16) 4«I - 0300 - Phon. 
 (716) 286 - 9(M - Foi 
 
Oixwdar 
 
 J. AC. I. 
 
 DEPARTMENT OF AGRICULTURE 
 Office of the Dairy and Cold Storage CommUdoner. 
 
 THE USE OP PEPSIN AS SUBSTITUTE OR PARTULSUBSTITUTE FOB 
 RENNET IN THE MANUFACTURE OF CHEESE. 
 
 Since the outbreak of the w.r thi. br«.ch h.. bee^JJ"*.^^ 'Ji'^^vr^ 
 .eeor. raw rcnneU from fanner, and butcher. >» «»"' ^^J^^^^J^ VdvhSk for 
 tioe in the early day. of the cheewmaking indu.try. Thi. c""''* «!TT^ * ^ ^ar^ 
 ^^ thai ^supply of «jch material has been .ecured ch efly. m recent year^ 
 from thoae Central European countries with whom we are "f^Jl^ ^ ^^ the 
 
 Only a Umited quantity of rennets (caW "^T'^J^'^J^^SiSTbih price, 
 oheew ftiotorie. are now faced with a possible shorto»e, and exceedingly 
 
 for rennet extract in any caM. 
 
 nr$a. 
 
 It has been known for some time that pepsin, in its -' J^^rtL'^rtllCrS 
 of coagulating milk, as rennet does, but i^s '^^'^^l^fj^^^^^^purpo^.. 
 rennet extract having been prohib t.ve it has "«/^" r^J",' ^^^"^e si Jtion and 
 
 The recent excessive advance m the price of rennet extract »««" ^ 
 the use of^psin would now be a commerJal advantage in point of cost. 
 
 TESTS AT riKCH DAfflY STATION. ' 
 
 partial substitute for rennet. , . „. n-« B«rr and F J. Singleton, using pepsin 
 A number of cheese were made by Mr. Geo ^^^^^^J^^ ^fthe Dairy Division. 
 a. a coagulant Thew were cammed on J ^ J by the fP^ Bourbeau. Geo. 
 
 Prof. Dean. Messrs. Frank Herns. G. G. ^«W°^' I- ^,.f ^1' of which was "set" 
 Hodge and others. In each test there *ere two c^^ese made one ot ^^^^ . 
 
 with rennet and the other ^th V^^^^^'l^ ^^:i^^;:^:lT^T^ light and chiefly in 
 place to the cheese made with rennet, but the ^'f^'^''^^^^\^J^^ ^de with rennet. 
 ?he matter of texture, which was ^^ Jf^^;;" jl^^^^ /^„Sa J^llT recommend the 
 It was the unanimous opinion, l'^''^^^;- X» ^ed or to oke out a limited supply, 
 use of pepsin, in cases where no rennet can ^^^^^'^^^^\'^Zd that tests made at 
 by using a mixture of rennet and PfP*'"" _^'?*- "fj Jj gave rather better results 
 Guelph in which a mixture of rennet and pepsin wa« "sed ga^e ra 
 than pepsin alone. This practice is recommended w^ere ^^^l^^^'"^^' ^^^ ^^,,^ ,,, 
 
 Z^S^^^ Sirs ribtit^er^nS^r^ of being actually short of 
 rpnnet and unable to secure a further supply. 
 
 extract [ovk.rI 
 
 10880 
 
 it 
 
 I 
 
j^plioktioB lepain mnat be ouuk on the enoloted fonn. It will be lent enlv 
 «f<«r ft0im0m* for sam* hai 6mi» ncuind. (BemitUnoe rnntt inolnde poiUc^ if pepun 
 it to be tent bj mail and the price of a meuare for (be firat order). 
 
 FiUl direotiont for uting pepsin will be rapplied with erery lot eent ovt 
 
 P^iain ie ■old in diflerent f omu. Scale j>«Min, which comet in the form of thin 
 amber ftdtei or '^wales'" U AtihttHe odljr in Umitad qwmtitiei. loMfie >p0wdered 
 papain, aa the namea indicatea ia aold aa a fine powder. It ia claimed to have exactly 
 Hke-aaae pvopevtiaa aa aaab iiapaia. but doea ndt diH>We ao eMilr. 
 
 Other forma aaa Jnown aa apoagy papain, «aanalar pepaia, etc. 
 
 Pq>iin ia alio prepared of different atrengtha. 
 
 3!ha aapply preaently available for diatribution bjr the Department of Agrioilture 
 ia aelaUe powdered papain of a atated ata««th of 1 to 8,000. 
 
 J. A. BimmcK. 
 
 Dairy m»d OM Storao* Co m mi iu iamtr. 
 
■IHP