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Subject:
From:
Juanse Barros <[log in to unmask]>
Reply To:
Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:
Sun, 3 Jul 2011 12:14:37 -0400
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I wonder what they use as acaricide apart from amitraz?Collaborating
commercial beekeeping operation information

Twenty monitor hives were established in April 2009 by a large-scale
(>72,000 hives), migratory commercial beekeeping operation (Mississippi,
California, and South Dakota, U.S.A.) that experienced CCD-losses in
2007/08. Standard beekeeping management practices for an operation of this
size were employed. Treatment regimes throughout the year were as follows:
(1) anti-mite treatment April 2009, just prior re-queening – amitraz; (2)
antibacterial treatment May 2009 - oxytetracycline hydrochloride (OTC)
(Terramycin™); (3) anti-fungal (*Nosema sp.*) treatment August 25, September
12, and October 13, 2009 - fumagillan; (4) antibacterial treatment late
August, early September, 2009 - tylosin tartrate; (5) anti-mite treatment
September 12, 2009, after harvesting honey; (6) anti-mite treatment – early
November and early December 2009 - essential oils from lemon grass and
spearmint (Honey-B-Healthy™). Honey bees colonies were periodically
supplemented with sugar syrup and protein supplement. In April (1 gallon)
and October (2 gallons) bees were fed 50% (weight/volume) sucrose; in
November all colonies received 3 gallons of a 1:1 mixture of high fructose
corn syrup-55 (HFCS-55, 55% fructose, 42% glucose) and sucrose syrup.
Additional sugar syrup was given to colonies based on colony weight (<80 lbs
- 3 gallons, 80–90 lbs - 2 gallons., 90–100 lbs – none). This operation
experienced an average 18% colony loss from November 2009 to February 2010.
Colonies with younger queens (≤2 years old) experienced 11% loss, whereas
colonies with older queens experience 21% loss.



-- 
Juanse Barros J.
APIZUR S.A.
Carrera 695
Gorbea - CHILE
+56-45-271693
08-3613310
http://apiaraucania.blogspot.com/
[log in to unmask]

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