036—Lancaster Farming, Saturday, July 2,1983 I NOW YOU CAN CONTROL I I: I I EGG SIZE TO O I I I IFld I IMPROVE PROFITS P, I I PROGRAMS FOR PROFiTS I ■ , Why control egg size. Nutritional,accuracy 3B B ■ Eggs are sold in the U.S. in a unique combination of very To regulate egg size without reducing production rates' 29 B a specific minimum egg weight classifications, but with a wide there must be very accurate ration formulation. SB H weight range within each class for which the same price per Accurate nutrient standards for today’s high-producing Ba dozen is paid. Further, there is a strong consumer demand hens must be set. The usable nutrients in ingredients must 3B B ■ for eggs in the “Large” classification a demand that does also be determined. (jJB B [ not match well the hen’s biological capacity of producing that ' Some nutrients in all feed ingredients remain undigested, ■ B B| b single egg size. and/or unavailable to the bird. The quantity of usable a B Hja Even when hens are producing mostly eggs in the Large nutrients depends upon the ingredient, processing methods ■« B ■ classification, you could be selling up to 13% more product by and other factors. Obviously, it is critical to accurately know ■ 9 B* weight (the range from 24-27 ounces per dozen) and not the amount of usable nutrients there are in any feedstuff. ■ *B Vi receiving a cent more. To increase the accuracy of Purina’s knowledge of a B B* To maximize profits it is necessary to move eggs out of the biological availability, new techniques were implemented. a 9 E ■ Small and Medium classification to the Large size. Further, These new techniques, developed by Canadian researchers, 1 9 E” Extra Large and Jumbo classes should be avoided because of were refined by Purina Research. These new procedures Jl ti additional feed costs and egg breakage. Only if a large developed during the past five years give True Metabolizable a B B* premium for the larger classes is paid (a rare situation) Energy (TME) and True Amino Acid Availability (TAAA) i 9 E 1 should these egg sizes intentionally be produced. Generally, values. 1 9 EJ minimizing egg weights to just over 24 ounces is most ' £B Bji profitable. True metabolizable energy system is an important a 4 B 1 How maximizing production while breakthrough for ration formulation. It is the best indicator a 9 Kj controlling size is possible. of the energy that is truly usable by the pullet or hen; It is a a B H Purina nutritionists have found the nutrient needs of hens very rapid system which permitted Purina to reevaluate J B ■j ■ are higher for maximum egg weight than for maximum egg every feedstuff used in Accu-Line rations.- This means that a9j B 1 production. Shifts in fortification can be made that will in- Purina energy values accurately reflect the usable energy in - ■ JJB E* crease or decrease egg weights % Ib./case while maximizing .the ingredients Purina uses to manufacture. Accu-Line J B i, egg production. rations. J B B ■ Production rates increase until sufficient amino acids are Other feed companies continue to formulate rations using a B B * consumed to allow hens to reach their maximum genetic egg published tables for various feed ingredients. These may not ■ 9 E | production capacity. However, egg size continues to increase accurately reflect current values. Jjß B ■ with further amino acid intakes until the genetic capacity Purina places great emphasis on accurate energy values. { B B • Energy is used in all body functions and egg production. It >9 B" Hl h also governs how much hens will eat When energy ■ 9 E; -"v. requirements are met, birds will stop eating ■— whether or J B B * / not they have consumed enough amino acids, minerals and a B B 1 Ataximte.d EaßSta* \ vitamins for maximum performance. 1 9 E; / production ''T" Having accurate energy values is the foundation of precise * 9 B ■ f yS*—- I ration formulation. If the actual energy value is different J B B* / I from the theoretical energy value used in formulation, one of a B E* JT 'j '* j two things will happen: i 9 ■l \y / ll ) KI Fortification Performance will be reduced because of underfortilication " B I B* / s' of amino acids, vitamins and minerals. a B E| / /' 2. Added costs result from an excess amount of these same a 9 B • ys' nutrients that were added to balance an ificorrect energy J 9 B a /s' True available amino acid values are equally important. The ■BL E a low VT , - - „ , .I-,. -I hi ■ more accurate Purina knowledge of the usable amino acids i9i B r Nutrient intake High in the feed ingredients, the more accurately they can be *9 E Accu-Une Laying [I maximi/inpnrnrtjfptihnrato/ 011 t 0 m ° dlfy egg slze ’ whie rations can be made from the most efficient combination of *9 K maximizing production rates. ingredients available. The rations accurately supply the "9 B* hen’s daily nutritional needs at the best value possible to a B I PHONE UMBEREER’S MILL WEST WILLOW i p muu rnoiv I ■ PAR * D,SE PA 17562 phone 717 867 5161 „ J ■■fl FARMERS ASSN IMP J. P. ANIMAL SUPPLY ■ ■ FONT AN* PA 17042 Good 1 tWWm.HO HOOII., IIW». PHONE 301-658-5795 ■ Breeding PHONE 717 464 3386 2497 TOME HWY I HIGH BROS. KEYSTONE MILLS WESTWLLOW p * 17583 R,smGSUN MD 21911 , ■ I GORTCNw‘IE 3 M 0 17529 PHONE 738 1088 I ■ P°3 EPHRATM PA 17522 |Mi Good SOUTHERN DIVISION r Jn(/utlnl ') w //,// I ■ M KBjjl *“*"* West Willow Farmers Assoc, Inc * /nf/lViOft •/«//. UtH ■ | K& K FEED, INC. W, L MUMMERT CO. ■■__] I ■ 23 N P*rTs N T E R 7 .CH^D 3 pl .7087 3 FOR GOOD PRODUCTION R° 1 OXFORD. PA 19363 ’ 9559 ■ ■ HANOVER PA 17331 WL'