-* HIGH QUALITY PASTURE MAY NULLIFY NEED FOR
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__ I'3lI1 BB 1Ilg O SHI'}? 3It B
U  ’ By D. M. SEATH, D. R. DOWDEN, A summary of performance on all three types of
‘ )?* JOE RUST, and DON JACOBSON pastures showed average monthly persistency values
Ag of 90.8 percent without grain, 89.1 percent with mod- .
_ Experimental trials at Lexington with milking dairy mate gI`am» and 92-0 Percent fOr the herwy grain
cows on three types of pastur·e indicate that when the feeding PYOSYQUTW- These dittere¤0eS do 110t show H
V, pasture is of high quality grain feeding, regardless of Significant difference and would not make it profit- `
_ ammmt, may not be PrOHtab]€_ able to feed grain to cows grazing pastures such as
*'} The results secured, however, may not apply to thO$€ used IU the €XP€I`im€¤t·
 .' every year in Central Kentucky for the reason that
abundant rainfall was experienced all during the 1956 F°'¤9€ Dry M¤H'€|' I¤t¤k€ .
" I growing SeHSOn when the trials Were C0ridl1eted- A check on the forage dry matter intake for 1()00-
Fm The tests Were conducted with dairy COWS on three pound body weight of cows grazing these pastures
7 different types of pasture and for each individual gives some clue why grain feeding did not greatly
* V pasture there were three levels of grain feeding COIN- increase milk )roduction. The dai] avera res in this
_ _ _ l V Y 5;
tf, pared. In one case 110 grain WHS fed, 111 the second connection were 31.8 pounds of dry matter consumed
W 6 pounds was fed per cow daily, and in the third a from pasture when no grain was fed, 28 pounds on
·* heavy rate of grain feeding of 12 pounds per day the moderate grain feeding program and 24.3 pounds
r 7- · per cow was fed. The measurements of performance per cow per day when 12 pounds of grain was being
Q" were based on milk production, particularly the fed to the cows. The total dry matter intake per
, {L * monthly persistency of this production, and the 1,000 pounds body weight would be 31.8 pounds of
  changes in body weight shown by the cows. The test dry matter per cow per day for those without grain,
Was conducted for a 16-week period. 33.1 for those that had 6 pounds grain per day, and
~ 5 33.7 pounds of drv matter per cow for those beinr
Summa of Performance * E
rc 7 . ry . fed the 12 pounds of grarrr. These dry rnattcr intake
Vlhrle the cows were grazing a permanent pasture _ _ _
_ . , f K k 7 bl _ I 71. _ 1 data show only small differences although rt should
1) consrstrrrg o entuc y uegrass ant xx rrtr cover 1 _ I tl t tl I tt { tl _
the rnorrtlrl rersrstenc of mrlk rroductrorr averared W 1€COf`m/€( N K (1) ml G1 mm R hum
Y I Y 1 8
,_. . y _ . _ _ would contain more energy than would the dry mat-
1 86.6 percent for cows with no grarrr, 86.4 percent for t _ f_ tl _t _ Tli_ t { _ I f
°*,_ those receiving a moderate amount (6 pounds of grain U mm le PAS mh _ Us may Auéun . O] t K Act '
. _ . . that body werglrt gains were heavrer for those re-
‘,_ darly), and 92..6 percent for those heavily fed on _ _ T tl V _
’ grarrr (12 pound daily). In the same order. body Cmvmh 16 Blum'
re, weight gains for the summer averaged 2, 68 and 57 Bromegmss valuable in Dry Years
pounds per cow. On an improved pasture consisting B _ lt_ f_ tl l9_6 _ __ t _ _ I t _
M" of orchard grass and Ladino clover the persistcncy of l, (wtf umm K _` D lmpuumlu td? Wmill ii In
. » ·» ·» J   ·e r   r ·
. milk production was 95.6, 91.7 and 96.4 percent for mt W] I IOSL f)](Vu)my_`(('tl1u_ 1 (\mf` (m mm
I _ _ ~ _ · · · _ . tests C()ll(lllCt(*(l by the Dairy Section when cows were
r. tre same levels of grarrr feeding. Accordingly, body _ _ _
eg . . _ , _ _ _ grazing excellent pasture. Even durrrrg drv years,
weight gains were 18.5, 81.5 and 83 pounds per cow. _ ‘ _
4 . _ _ . . _ _ . such as the threc—vcar period 1951 through 1953, rt
jg. Lows grazing on an rrnproved pasture of orchard . ‘ . __
__ . . was found that bromcgrass, when properly fcrtrlrzcd,
grass and Ladrno clover, along wrtlr a supplemental _ _ _ .
· 4 . r . .. _ . resulted rn cows being able to have a rersrstcnc oi
pasture of Sudan grass, had an average rersrstencv _ ‘ I y
1 , _ _ _ ( _ . _ . .
.   , _ . . approximately J0 percent without anv grarrr being
_,, without grarrr of 94.3 percent, with moderate grarrr { I I_k __ ____t { ,,7 ,3* _ t  
_ 92.2 pei-Cem and mi are heavy grain level 86.2 per- “‘ *‘ €T"“· " P°‘““ °“°y " ‘ " P°‘°_°“ “"‘“
5 Cem- Bod`, Weight Changes were +33, _3·5` and secured without grarrr when cows were grazing good
J1 +111.5 Pounds PH COW wspectively for the three bluegrass pasture. During this same period, how-
) ‘ groups- (Continued mr Page 12)
jg Krzmroczrcr FARM Ann Home Scrr;xcr;—Sr>rnxc 1957 3 .
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