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Image 10 of Kentucky farm and home science, vol. 2 No. 3 summer 1956

Part of Kentucky Agricultural Experiment Station

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;‘ x` · —» —~·V »- - Table 1.- Feed Utilization and Growth Data of St€€1‘S and 1) 0 Stilbestrol and /0r '1`erramycm as an Additive 1n the ·· Daily Protein Sl1PP1€lTl€H1 ¢ f`”L······-···.»~···-·r~·~»~~·|rT " “ _ , .9 "° , , i -1 0 . P .’ l0 mg Stil- 0 1 0 0 ’· ‘ V , 0 0 : ll lll bcstrol + A, V ' ‘ » ~l`t'*Q ‘ " ‘~ 2 0 • 0 10mg 80 mg 80 mg rg ’ ‘ ` “ ll ' ' 'v " T 1 Stilbes- Terra- Terra- ' I ld I ‘ M1, A V l V Control trol mycin mycin . " 4 rye'?] ‘ . · Average Daily Ration Lb; .*0 E S [R .. _A ? Alfalfa silage ......,...........l.,......... 20.6 20.5 20.5 21.0 Q ` ;§,:" · V 2 ._ 4 Shelled corn .........................,...... 15.1 14.9 14.8 , 15.1 { . 1 0 lr ,‘ ' r Q; =_ r Soybean meal .....................,,....... 1.0 1.0 1.0 1.0 , [ . J ; · · _' { 21 T“ _ .,._ , Straw .... . ,.........,....,............... . ..... 1.0 1.0 1.0 1.0 g » . , 1 ,,,.4. · y r _ - I’er.`m·mancc; R- · ' -.- ·r""" . · Days on test .,.........,.................... 142 142 142 142 ' " » V A ·' initial weight, lb ........................ 736 734 738 737 _( ; · - . _ . · Final weight, lh ......................,... 1090 1127 1115 1145 4 . A , ‘ i . T Gain, lb ,... . .........................,....... 354 393 377 408 I Average daily gain, lb ................ 2.50 3.76 2.26 12.37 I A , , · . ,. . . . ncrcase in gain over Lot I, 7 ..,... 1 .4 6. . ' At thc cnd of the experiment each steer nas graded by a acm PH hundred pounds gain 19.44 17.4,/__ 1820, 17V26u group ol beef cattle buyers from Louisville meat processing ’·SaIe value per hundred ................ 18.43 18.30 18.03 19.34 _ )l2lI1(S. TllC TV C1lm€l`1l I'€C0l'(1€(l this SCCIIC. “ Values used in determining cost of gain: ' l Alfalfal silage .................................. $10.00 per {on V ,· Shelle corn .............................. . ..... 1.26 per iushe Q. , . Soybean meal .................................. 68.50 per ton F eedlot Steers on Television straw ,.,...............................,...,....,.. woo ps nm _V 1 , , '* The steers were slaughtered at the Fischer Packing Company, Louis- P 4 · ((*""’l’ll“’(] frmll PUEC 9) ville. Their value was determined by yield and grade of each individual _ carcass. , \V(‘lglllIlg p()ll11(lS C21.Cl1 \V(‘l`(? (l1Vl(lC(l 11110 4 1ll1l1(11`l11 I "ftig per ton was added to the cost of protein supplement used by the Q _ _V V . A V JV _ 9 V V _ nts c stilbestrol. groups (lll(l (,()ll1ll1ll(,(1 Oll 1(.b1 101 14- (l<1YS· Tl1€Y W6]? ·¤ glo pm- rm, Wag ggddgd to me cost of protein supplement used by A weighed every 2 weeks, at which time the cattle and ‘l“’ "’*“ 0*1 ‘°'“"“Y°'“· ' _ " $15 per ton was added to the cost of protein supplement used by . " 1110 [)l`Ogl‘€SS 1`€p()l`1 \V€I`€ Sl1()WIT to 1116) 2).l.1(11€1'1C€, the lots fed a combination of the additives, stilbestrol, and terramycin. 0 · · · · Adl" ll. ' ' . 1. . z.M`. . . At the conclusion of the feeding test, the animals were ( (100m` Um me gm"` m Ky Ae Expt Sh 'sc Pub 47 ) F * graded by beef cattle buyers representing most of the I meat processing plants in the Louisville area. This r{"bl§_ 2j" C"““s;dI3f““ ef Slicers lied Sulbcstml and/or 1** grading was also done on TV, after which the animals n I 10 lc as an I we m 0 Dm Y Pm cm S“PP mlm H were trucked to a local packing plant and processed. [0 ivs V V . . . . mg t` - A movie Hlm was made of the processing and grading II ni sesrmi 1 1* » . . 10 80 80 (11 1116 C£l1`CZlSSCS. T111S WHS 21.150 S11OWl'l to 11'1€ 1 V1€W· 1 Stillizg- Terlxg Tergg JY, . C t l t l ‘ ‘ (‘l'S, 111(:l1`(¥1)y CO11C1U(1lI1g pI`OgI`HIT1. ·· arcass ua 1 ; _ _ _ Feeder grade, Aug. 1, 1955 .... .. 2 2 2 2 Description of Experiment Live slaughter grade. Dec. _ 17, 1955 ................................ 5 6 6 6 tr r1`l1(i‘ {1C1ll211 €Xp€1`ll1'l€I11 WHS HS follows: 1.401 1 I`€· VS|Cm‘€1ss grade, Dec. 22, 1955 .... 4 4 4 5 · , , , ·` aug ter Data: . - (`0lVC(1 tl COI11I`Ol I`211lOIl of 2111211121 S11€l.g€, S11€11€(1 COI`1'1 Farm to market shrinkage, % .. 1.83 2.32 2.30 2.55 { . . . F; t · · hr' k , ”‘, 3.48 3.91 3.64 3.86 . lull-ted, soybean meal and wheat straw daily; Lot 11, iihinls ihiiirlikihii, ai 1.81 1.83 1.84 1.73 { . · . . D tz ·, 0 ............ 58. 9 5 . 6 . . ‘ the same as lot 1 plus 10 lI11ll1gI'21l11S of Cl1€111ylSf1ll)€S- iirrrczisrsgiiirQiialxxrilihprganred by; 8 03 59 65 59 88 0 · · lrI`l ............................................ . 2 . ` trol per animal daily; LOt 111, the $3.1116 215 lot 1 plllS Lxgr _________,__,____,__,___,_____,_______,_,,__ 133 ifi? .— ' S0 milligrams of terramycm per animal daily; and Lot C,,YQ;j§l)t,{(,;;g,;g;$5;;, ‘‘‘’‘‘‘‘‘‘‘‘‘‘’‘‘‘‘‘‘‘ 10*00 10*00 10*42 1000 { _ ., , , . . · · , · · _ Area rib eyc, sq. in. .. .................. 10.43 10.90 11.19 10.83 l\ . thc saint as lot I plus 10 milligrams of diethylstil Vriniu rib Pye pq 100 lb Cmassu 1§Vg5 15127 1{ZV2 F2 *—• _. , , · · ., . , ,· · ·a nyer over ri) eye, mm. ........ . . . 1 .8 lu stiol and 80 milligrams. ot terramycm daily. Table Angle of lumb0_s N l Slllllvs tho 1(`Ud lltlllziltloll and growth (lata at the il The steers were graded as feeders at beginning of test, Aug. 1, 1955 .( gt _ JIS by a panel of 3 persons. The steers were graded for slaughter hy a panel i; — ll — · of five at thelcoriclusion oi tl;e ltest. steers were graded according , ‘ _ A · ‘ _ _ A · _ _ _ __ to carcass grac cs 1y a pane 0 t rec 4 ours after sl iht . F ll ` ’ Al 111* @001111911*)*1 at the 1 ww l<>ll<~w<{l through the ¤¤·1rl—<*¤¤g Mid lhs .-;..1 ara. ....». 11 .... . 2. Av .-... ,.1 O. processing phase tor obtaining shrinks and carcass ‘l""“;_1· *'· _ _ _ ` _ ‘· lhe steers in this test were last fed on the evening of Dec. 18, 1955, data wlnch are shown in Table 2. The 9th, 10th, and -·<_-{1- xvi-p:l¤·<1 on tlaclfannlat 6:00 aan. Dee. 19, and u·t»rt· imniaa 25 ‘ . _ . mi cs ic ore ieiug tc ivcrx t the B l St ·k *z l.‘ l · th ‘ · ~ I'll) Cll1 (11 (‘llL`l1 CRIYCQISS \V21S 1t11{€l1 to 1l1(‘ 121.1)- Wciglicd at ll:00 a.m. ankl \v(Z·re ilieiiuhrexnto Tiicekingy M · A A I VV I ` i I H _ A I I ‘ 10 1 V ` pany wlicre they were weighed again at 3:00 p.n1. Dee. 19. The steers ~_‘ ()I,l1()]} (ll I) I} blirl st 1),11.111011 J.ll( 1 lt ..1 1 I`l 1 \V115 wcrc slauglilerzid licginiipné at $00 a.m.1Dec. 20, apt] hot carcass weights . - , . \Vl'l'(‘ Il1i\( l'; 21 SU. 1 ‘ 11 ‘S. 1 ' ", 1 ‘} ( Pi '1 F 1ill((‘lI lll l(ll` t‘llt‘llllC1ll 1\ll1lly`SlS. w¤·igln·d. lCpl