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Examining Combs- What Do They Tell You? Clarence H. Collison Emeritus Professor/Dept. Head Mississippi State University.

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Presentation on theme: "Examining Combs- What Do They Tell You? Clarence H. Collison Emeritus Professor/Dept. Head Mississippi State University."— Presentation transcript:

1 Examining Combs- What Do They Tell You? Clarence H. Collison Emeritus Professor/Dept. Head Mississippi State University

2 Why Ever Look In The Brood Chamber(s)? Are You One Of Those People Who Never Go Below The Queen Excluder; Never Look At The Brood Nest; Assume Everything Is Well??

3 Managing The Brood Nest Is Important

4 Combs Are The Basic Structural Unit Of The Hive

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6 Functions Of The Comb Reproduction Of The Colony Storage Of Nectar And Pollen Foundation For Establishing The Winter Cluster Orientation Point For Communicative Dances

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14 Adequate Supplies of Drawn Comb Is A Limiting Factor In Most Beekeeping Operations

15 Proper Arrangement Of Combs Bee Space 1/4- 3/8 Inches Burr Comb

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17 Damaged Combs Loss Of Brood Area Increase In Drone Brood Increased Difficulty In Uncapping Honey

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20 Why Examine Brood Patterns? Overall Condition Of The Colony Presence Or Absence Of A Queen Quality Of A Queen Availability of Fresh Nectar And Food Stores Checking For Bee Diseases/Varroa Mites Colony Strength Inclination To Swarm Population Balance

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25 Quality Of The Queen Cannot Determine By Queen’s Appearance Examine The Brood Pattern Solid Brood Pattern Spotty Brood Pattern

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28 Laying Workers

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30 Combs Can Serve As A Disease Reservoir Cappings Color Changes In Larvae/Pupae Scale Mummies

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41 American Foulbrood Scales

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44 Check For Varroa Mites

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49 When Additional Honey Supers Are Needed

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51 Population Balance

52 Amount Of Brood What Is Normal? Can There Be Too Much? Can There Be Too Little?

53 EggLarvaPupaTotal Queen35 ½7 ½16 Worker361221 Drone36 ½14 ½24

54 Worker Development Eggs Larvae 2x Pupae 4x

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56 How Can You Tell If The Brood Cycle Has Been Broken?

57 Once A Queen Has Laid For 3 Weeks Uninterrupted, The Healthy Hive Should Have: Brood Of All Stages/Ages 12-15% Eggs 30-35 % Uncapped (Larvae) 50-60% Capped (Pupae) Any Deviation From This Indicates A Break In The Brood Cycle/Pattern

58 What Causes A Disruption Of The Brood Cycle? Anything That Causes The Queen To Stop Laying Or That Destroys The Brood

59 Break In Brood Rearing Cycle Pesticide Kill Or Sudden Die-Off Of Adult Workers Death Of A Queen Lack Of Nectar Flow Or Food Stores Diseases And Parasitic Mites Weather

60 Emergency Supersedure Swarming

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63 What Should You Do Upon Finding A Large Drone Population?

64 Prosperity! Doom!

65 How Many Pounds Of Honey?

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