{ 
selections of Scotch Pine. The Douglas Fir, Norway had any significant influence on rate of production, ii
Spruce and White Pine have been almost complete egg shell thickness and interior quality, or mortality iii}
failures. Observations indicate that shearing must or feed required per dozen eggs.
start the third growing season after planting if tree- Contnrninotion ot Eggs " l
form quality 1S to be controlled. Shearmg time for Atmospheric Conditions On the day iiii egg is laid _i
13225 trees was apprimlmately 300 m°m`hOurS’ Or apparently influence the likelihood of its becoming .
slightly less than 1% mmlltes P€1‘ tY€€· Contaminated by bacteria in the nest. Cultufilig of i
  981 eggs laid in contaminated nests showed significant Al 
POULTBY SCIENCE positive gross correlations between bacterial recovery __`
Energy Restriction on pnliet Development rate and the atmospheric variables of temperature, l
Feeding of iowmigy diets at any age agniraaiy ttbtotutt ttttmtdtty tttd Ytptt Ptttttttt-  .
reduced growth of White Leghorn pullets. In addi- P|’°*€i¤ s°¤¤'¤€ ¤¤ Chifik G|'¤W1'h . i  -
tion, fced consumption was increased when the low- No significant differences in respect to growth re-
cnergy diets were fed. Three hundred day-old pullets sponse or feed utilization occurred when broiler-strain T ‘ 
were used. At the beginning, half of them were fed male chicks were fed a corn-soybean meal basal diet ei i`
a high-energy diet containing 940 calories of produc- and a supplement of fish meal or meat scraps, alone or
tive energy, and the other half received 706 calories in combination. Methionine supplementation of the °`
per pound. Eight weeks later the birds were weighed basal diet produced similar results. -
individually, and each original group was subdivided
into two groups. One of the new subgroups was RURAL SOCIQLOGY Tm
continued on its original diet, while the other was fed  *‘i_"*L"_ · 
the diet it had not been receiving. At 18 weeks the R€c°mm€mf°d Fam? Pmchces _  ’
pullets were again weighed and placed in individual Farmers m 12 nmghbofhoodé Of *1 ffounty I? the 1
iiiying cngosi Outer bluegrass were surveyed in 1950, 55, and 60 as i  
Calcium and Aniibioiics in Laying Dieis to itheir use of 14 recommended farm practices. In i’ i
neighborhoods of relatively high education, the use 9
RQSURS with four ¤'€Pli€?*t**·gm“P$ vt 10 hens each of recommended practices was 10 years or more in ni
indicated that neither increasing the calcium level advance of the use level in neighborhoods of low edn_  
nor supplementing the diet with an antibiotic mixture ontlon__when one considers only the pmotioes that td' .
· - I/_, .  .i i ii i  gained in use during the decade. Scale of farming and . A
-2     . -. *’   use-suitability of the land characterizing the neighbor-
.`;-#’_ ,     i { _  `   hoods also were associated with the pace at which
 glib    i   li f  i'   of farmers began using the practices, iii
    `. <‘ ~ I _ Q?     Form Information Medio Use _ l
    .    i Q _   ·i , 1   ` Use of various farm information media in an Outer
'$`··`4.‘$°;,;§f..l?hl 5;* f"   Bluegrass county generally increased between 1950 ` _ 
·  Q * ~*     ieiii and 1955 but declined thereafter to 1960. Only radio l
gi ~; ;.J_ir!i   i ·      i  and television retained or increased their audiences,  
i  ri     t ir iiy i_   while thg usizgoiiiiiostiof the following media declined ·€¤.
i ~i § _ iii P _   ig! ».   to near ie 5 eve s: arm magazines, newspapers, -l
Effects of added calcium and antibiotics on laying hens were farm m€€tl“g$» farm ¥`tg€¤CY Y€P1‘€5€11t21UV€S, CifCU1&1`  
smdied. letters, bulletins, and dealers and salesmen. iii 
 
x.—..i..t-ky Agnt·..1i...-an Exp.-.-a....-ni sninm. PENALTY Fon PRIVATE usE TO AVOID and
uiia~ieiiai¤ii·ii$iil· PAYMENT or PosTAoE, $2.00 nit
I
i··iznsi¤..,x....m.1 ii.-pmt me llnllctin ki 
or lleliort of I'rm:¤‘=*S< - ·
Permit N0. 1109
K)'. 1V-il-G2-3,(llll\ '
l‘(>\'I`\i;\<'I`liIl: P1`—..a· r.·i.im in-Q ie i
iiiiiili:iii1ivinml. Sue Postal I,.m·< and Nec-