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

Part of Kentucky Agricultural Experiment Station

; x` ~V - - Table 1.- Feed Utilization and Growth Data of St1S and 1) 0 Stilbestrol and /0r '1`erramycm as an Additive 1n the Daily Protein Sl1PP1lTlH1 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 _ - Ier.`mmancc; 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 C1lml`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 ((*""lll(] 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 Tl1Y 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`OglSS 1`p()l`1 \VI` Sl1()WIT to 1116) 2).l.1(111'1C, 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 SPP 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 Cl1`CZlSSCS. T111S WHS 21.150 S11OWl'l to 11'1 1 V1W 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 Xp1`ll1'lI11 WHS HS follows: 1.401 1 I` VS|Cm1ss grade, Dec. 22, 1955 .... 4 4 4 5 , , , ` aug ter Data: . - (`0lVC(1 tl COI11I`Ol I`211lOIl of 2111211121 S11l.g, S1111(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 Cl1111ylSf1ll)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;jl)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 1Vg5 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 utrt 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(Zre 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 licginiipn 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` tlltllllC1ll 1\ll1lly`SlS. wiglnd. lCpl