Exhibit
99.1





Contacts:
                    Dolph
      Baker, President and CEO
                      Timothy
      A. Dawson, Vice President and CFO
                      (601)
      948-6813





CAL-MAINE
FOODS, INC. REPORTS SECOND QUARTER FISCAL 2011 RESULTS





JACKSON,
Miss. (December 27, 2010) 3⁄4 Cal-Maine Foods, Inc.
(NASDAQ: CALM) today announced results for the second quarter and six
months ended November 27, 2010.





Net sales
for the second quarter of fiscal 2011 were $234.5 million compared with net
sales of $229.2 million for the same quarter of fiscal 2010.  The
Company reported net income of $15.2 million, or $0.64 per basic
share, for the second quarter of fiscal 2011 compared with net income of
$16.1 million, or $0.68 per basic share, for the second quarter of fiscal
2010.





For the first six months of fiscal
2011, net sales were $424.9 million compared with net sales of
$416.9 million for the prior-year period.  The Company reported
net income of $19.9 million, or $0.84 per basic share, for the first
half of fiscal 2011 compared with net income of $12.3 million, or $0.52 per
basic share, for the year-earlier period.





Dolph Baker, president and chief
executive officer of Cal-Maine Foods, Inc., stated, “The financial results
for the second quarter of fiscal 2011 reflect recent improved market
conditions.  We reported improved sales from a year ago due to
higher average selling prices; however, our profitability was affected by higher
feed costs.  While demand for eggs suffered in early September as a
result of the nationwide egg recall, American Egg Board research indicates egg
demand has now rebounded to pre-recall levels.  Also, egg market
prices moved to near yearly highs during the second quarter.  Overall,
the national egg supply is flat compared with the same time last
year.  We are also pleased that our specialty egg sales have
continued to grow even in a difficult economic environment, accounting for 15.5
percent of our dozens sold for the quarter.





“We
continue to monitor the national chick hatch, which has been trending higher,
and will affect future supply. Feed costs also remain a concern for fiscal
2011.  For the second quarter, feed cost per dozen produced increased by
four cents compared with the same quarter last year.  The current and
expected balance of supply and demand for corn and soybean meal points to a
tight feed supply throughout the next marketing year.





“Overall,
our management team is solid and our operations are running smoothly,” added
Baker.





Cal-Maine’s
dividend policy is to pay one-third of net income for the quarter in the form of
a cash dividend.  For the second quarter of fiscal 2011, Cal-Maine
will pay a cash dividend of approximately $0.212 per share to holders
of its common and Class A common stock.  The amount paid could
vary slightly based on the amount of outstanding shares on the record
date.  The dividend is payable February 10, 2011, to
shareholders of record on January 26, 2011.





Selected operating statistics for the
second quarter of fiscal 2011 compared with the prior year period are shown
below:





13 Weeks Ended
                
                
                26 Weeks EndedNovember 27,
                  2010
                
                
                November 28,
                  2009
                
                
                November 27,
                  2010
                
                
                November 28,
                  2009Dozen
      Eggs Sold (000)
                
                
                206,038
                
                
                
                206,251
                
                
                
                400,024
                
                
                
                399,298Dozen
      Eggs Produced (000)
                
                
                159,749
                
                
                
                164,647
                
                
                
                315,093
                
                
                
                320,790Dozen
      Eggs Purchased (000)*
                
                
                46,289
                
                
                
                41,604
                
                
                
                84,931
                
                
                
                78,508%
      Specialty Sales (dozen)
                
                
                15.5
                %
                
                
                13.7
                %
                
                
                15.2
                %
                
                
                13.4
                %Net
      Average Selling Price (dozen)
                
                $
                1.090
                
                
                $
                1.057
                
                
                $
                1.012
                
                
                $
                0.992Feed
      Cost (Dozen)
                
                $
                0.387
                
                
                $
                0.347
                
                
                $
                0.361
                
                
                $
                0.352%
      Specialty Sales (dollars)
                
                
                23.0
                %
                
                
                20.5
                %
                
                
                24.1
                %
                
                
                21.4
                %





*Net
of processing loss and inventory adjustments




-MORE-




CAL-MAINE
      FOODS, INC.
                    POST
      OFFICE BOX 2960 ▪
      JACKSON,
      MISSISSIPPI  39207PHONE  601-948-6813
                    FAX  601-969-0905





CALM
Reports Second Quarter Fiscal 2011 Results


Page
2


December
27, 2010





Cal-Maine
Foods, Inc. is primarily engaged in the production, grading, packing and sale of
fresh shell eggs.  The Company, which is headquartered in
Jackson, Mississippi, currently is the largest producer and
distributor of fresh shell eggs in the United States and sells the majority of
its shell eggs in approximately 29 states across the southwestern,
southeastern, mid-western and mid-Atlantic regions of the United
States.





Statements contained in this press
release that are not historical facts are forward-looking statements as
that term is defined in the Private Securities Litigation Reform Act of
1995.  Such forward-looking statements are subject to risks and
uncertainties (including those contained in the Company’s SEC
filings as well as other unknown or unpredictable factors) that could cause
actual results to differ materially from those
projected.  SEC filings may be obtained from the SEC or the
Company’s website, www.calmainefoods.com.  You
are cautioned not to place undue reliance on the forward-looking
statements.  Further, the forward-looking statements included
herein are only made as of the respective dates thereof, or if no
date is stated, as of the date hereof.  Except as otherwise
required by law, we undertake no obligation to update publicly any
forward-looking statement for any reason, even if new information becomes
available or other events occur in the future that make it clear that any
expected results expressed or implied by the forward-looking
statements will not be realized.




-MORE-
  CAL-MAINE
      FOODS, INC.
                      POST
      OFFICE BOX 2960 ▪
      JACKSON,
      MISSISSIPPI  39207PHONE  601-948-6813
                      FAX  601-969-0905









CALM
Reports Second Quarter Fiscal 2011 Results
 Page
3
 December
27, 2010




CAL-MAINE
FOODS, INC. AND SUBSIDIARIES


FINANCIAL
HIGHLIGHTS


(Unaudited)


(In
thousands, except per share amounts)





13 Weeks Ended
                
                
                26 Weeks EndedNovember
      27,
                
                
                November
      28,
                
                
                November
      27,
                
                
                November
      28,2010
                
                
                2009
                
                
                2010
                
                
                2009Net
      sales
                
                $
                234,523
                
                
                $
                229,233
                
                
                $
                424,926
                
                
                $
                416,899Gross
      profit
                
                
                45,215
                
                
                
                46,827
                
                
                
                77,951
                
                
                
                65,044Operating
      income
                
                
                22,783
                
                
                
                25,435
                
                
                
                30,824
                
                
                
                20,134Other
      expense
                
                
                (385
                )
                
                
                (799
                )
                
                
                (1,341
                )
                
                
                (2,358
                )Income
      before income taxes
                
                
                22,398
                
                
                
                24,636
                
                
                
                29,483
                
                
                
                17,776Net
      income
                
                $
                15,186
                
                
                $
                16,094
                
                
                $
                19,949
                
                
                $
                12,262Net
      income per common share:Basic
                
                $
                0.64
                
                
                $
                0.68
                
                
                $
                0.84
                
                
                $
                0.52Diluted
                
                $
                0.63
                
                
                $
                0.67
                
                
                $
                0.83
                
                
                $
                0.51Weighted
      average shares outstanding:Basic
                
                
                23,853
                
                
                
                23,807
                
                
                
                23,848
                
                
                
                23,799Diluted
                
                
                23,944
                
                
                
                23,881
                
                
                
                23,940
                
                
                
                23,873





SUMMARY
BALANCE SHEET


(Unaudited)


(In
thousands)





November 27,
                  2010
                
                
                May 29,
                  2010ASSETSCash
      and short-term investments
                
                $
                167,842
                
                
                $
                199,055Receivables
                
                
                84,438
                
                
                
                43,587Inventories
                
                
                97,172
                
                
                
                93,968Other
                
                
                1,878
                
                
                
                1,550Current
      assets
                
                
                351,330
                
                
                
                383,160Property,
      plant and equipment (net)
                
                
                227,756
                
                
                
                234,111Other
      assets
                
                
                57,590
                
                
                
                59,013Total
      assets
                
                $
                636,676
                
                
                $
                631,284LIABILITIES
      AND SHAREHOLDERS' EQUITYAccounts
      payable and accrued expenses
                
                $
                81,798
                
                
                $
                68,020Current
      maturities of long-term debt
                
                
                14,231
                
                
                
                29,974Deferred
      income taxes
                
                
                20,281
                
                
                
                19,980Current
      liabilities
                
                
                116,310
                
                
                
                117,974Deferred
      income taxes and other liabilities
                
                
                32,359
                
                
                
                31,655Long-term
      debt, less current maturities
                
                
                98,343
                
                
                
                104,699Shareholders'
      equity
                
                
                389,664
                
                
                
                376,956Total
      liabilities and shareholders' equity
                
                $
                636,676
                
                
                $
                631,284