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5 > Image 5 of Kentucky farm and home science, vol. 4 No. 1 winter 1958

Part of Kentucky Agricultural Experiment Station

V { S g_V_-. ing 80 percent roughage the lollowing eomlusions - vs . _ A V _ A ` may be set forth: p- C QV _ __; Q. `_ 1, Supplemental protein aml carbohydrate above . V * ...; .:.k _ _,. .a V Q. 2 . . . . ' . _ =` ui __- { V, the requtrentents lor maintenance dtd not nnprove . -6 , ` ` i the utilization ol the low-quality timothy hay. t - , .t,__ _ Z 2. Neither dtsttllers dried solubles, live veast nor ` H Wit- e l. i` allalla ash improved utilization ol any ol the three . 1:. .......;. .... V..~: ? _-. ;;,; -V= - l- . I N * . ' 7 I _,__l _ ._Vl sa low-quality roughages (cormobs, cottonseed hulls aml 4- ~ . _.(__`;___; i;1_;;;-%-.,.4 low-quality timothy hay). " *ll `"`l ._: ???f1i *; X ,V... 3 . _ . . . . . . = * ''.`'`` i .., l* . .' ` ` V :l. l)1g$[ll)1lll\' ol corncobs was not nnproved bv "' V V ,.,._ _ supplementing rations with allalla ash or a trace . V =. _... g V` i . . . b V V. 5 .v Nj Illll]l`2ll llllXllll. V V -:_-__ V; . ;- ;j=-sg;-;_ w- L VV__ .]_ lm-yg;tsiug the starch content ol a c`olll<<>l) l1lll0ll c V _-V. , `; = V__V_ _ _VV_ _ decreased the digestibility ol the hbtous pottton ol V ,,, - V i a.VA- T --si :.. . ` g-#g i*;ji :-- _; corncobs. W he comhtion was alleviated by the addi- V V c i tion ol allalla ash or a trace mineral mixture. - . ,,v, . . . . . . . . lt was apparent that the mineral needs ol the runn- These individual sheep teeders are used lor lattenmg aml _ _ , I- ,. bl- , 1. nant led a low-quality roughage was increased by sup- 4 c igesu 1 lt} nt.: s. _ _ _ _ _ _ _ plemental energy. lor maximum elhetency ol ingested p . - ---1 ____>_ I .__V_ -V-.V _V_. _V__ V.- nutrients in a lattening regime, the mineral intake . `'*. J Z i ' must be adequate aml balanced. - V It V . A EE -=-=- r ll . . . . . ,,-- l Fattemng and Maintenance Rahons Plus Additives 5 ` i ;| A ...... A-\dditives such as antibiotics, diethylstilbestrol aml " it ___( _e T `i i 'l`orula yeast have been a much worked topic in rttmi- i .. `*Y =```' N -"" `'`` V;i - _ _ _, V ;VV _V-V `"Vr;=` V F nant ntttrttton the past tlnee \rll>. Vt .. _ .--- - _ > EF F? , , . . . . it V I li; - lhe lollowmg observations may be made lrom the V~ . - V; i " .= - . V 4.} r f `-= @-5; Q gg numerous lsentuckv trials which have been conducted V = < ` . _ . . . . . . A _ .. "*"i t with sheep led maintenance aml lattetnng rattons. V gp -= ; V g sa V _ _ _ _ _ _ _ , , V; i` lhe utilization ol a maintenance ration containing VLM - ,_ A 80Q, corncobs was: (I) signilicantly decreased by sup ` .V.V V- p|(m;;ntal aureomycin or aurolac 2.\ (5 <>l lll lllg lll i-* V'=` ;;.=;g __ - g .~. .,2..:, ` , _ . _ * _' ' _ 4) __:(__(_:)__ -: p Lllll()lll)(`lIll"l(.l pet pound ol tation), and (2) not . *v .,;. . = 1 -,[_ _;._ if"` allected by supplementation with 2.5 or 5.0 mg die- V F (Continued on page r) . 2;%;. _ TK) I I ..,V. - ,, -~~- V Sheep metabolism crates hemg used lor nutrient balance A; _ V aml digestibility work. 1 _ . . . . . . . MV il -3 V tenance aml lattennig rations is nnportant to the live- _ ,.V A (,v, , _ i l i V , . . . . . `V Q TM,. Y tv V ' ' stock economy ol lsentuckv. lhe .\nnnal Nutrition _ * V ,*~ * _ _ _ V V eg ._.. V l`t>l)l` stl])[>llllClllLlll<>ll. llilll`C' ` i i / vi [Xi V VA/A _. low-t ualitv ron shares have been extensively studied i i .V " V . l . g . . V E. /1. . cormobs, cottonseed hulls aml timothy hay. lixperi- i l V Y ```'` ` - ` ` 'V W4; mental results have shown that the librous portion, _ that portion containing energy in the lorm ol complex , sr V-\ Q /- _ car|>