Beekeeping May 16th 2015 Smallholder's Fair
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Transcript of Beekeeping May 16th 2015 Smallholder's Fair
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Beekeeping
Chris Cardew 16th May 2015
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Content• The Honeybee
• Social Insects, Castes of honeybee, Colony, Bee biology
• History of beekeeping• Ancients, Langstroth
• Hives and Apiaries• Hive types, Season,
• Produce• Honey, wax, pollen, propolis
• Issues• Pesticides, varroa, disease, asian hornet
• Getting started• Courses, suppliers, beekeeping associations, mentors
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Social Insects
Bumblebee
Wasp
Honeybee
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"Apis distribution map" by © Sémhur / Wikimedia Commons. Licensed under FAL via Wikimedia Commons -
http://commons.wikimedia.org/wiki/File:Apis_distribution_map.svg#/media/File:Apis_distribution_map.svg
Apis Mellifera in pink area. (Western Honeybee)
Only seven species of honeybee are recognised
In beekeeping only two species of honey bee, A. mellifera and A. cerana indica
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• Have the scientific name Apis mellifera, which means ‘honey-carrying bee’
• Live in colonies of about 50,000 individuals in summer, and about 20,000 in winter
Honeybees…
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• Visit flowers to collect nectar and pollen. • They make honey from nectar; pollen is a protein
rich source of nourishment
Honey bees
forage for
several things
outside the
hive
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Transport nectar in a crop, a special part of the gut, and carry pollen in small ‘baskets’ on their hind legs
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Honey crop
Royal Jelly
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Horse Chestnut bud
Bees collect resin from the buds, fruit, flowers and leaves of plants
to make a caulking resin called ‘propolis’, which they build into the
hive.
Humans use propolis from bee hives for medicinal purposes.
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Collecting water
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Honeybees collect four things:
Nectar (Honeydew)
Pollen
Propolis
Water
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In the colony, all worker bees are sterile females
Male bees, or drones, serve only for reproduction, i.e. to mate with queens
Each colony has only one queen, easily recognised by the longer abdomen
Honeybee Castes
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The time from egg to bee emerging
Worker Bee 21 days
Drone Bee 24 days
Queen Bee 16 days15
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Honeybees
build combs
from wax that
they produce
from glands
Wax
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The synthesis of 1 g of
beeswax consumes at
least 6 g of honey
(Hepburn 1986)
Beeswax has a
relatively low melting
point range of 62 to
64 °C
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They store honey and pollen in the six sided cells of the
comb, and use comb cells as a nursery for their young
Nectar has a varying
amount of water that
must be evaporated to
below 18.6% to ensure
that fermentation does
not occur17
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The honeybee is cold blooded.
The colony is warm blooded.
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Eggs in cells
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• Worker bees pass
through many
occupational stages
in their lives, for
example;
• as cleaner bees,
• builder bees,
• brood care bees
• and guard bees
• Having reached
seniority, they leave
the nest as foragers
The many jobs
of the worker
honeybee
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Brood care is the task of bees living in the hive
Foraging is the task of the bees that fly out of the hive 21
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Royal Jelly is produced
by Hypopharyngeal
glands in the head of
the worker bee
A queen is an overfed worker
A worker is an underfed queenThe Queen
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Photo by: Eric Tourneret -
A queen cell
Created
perpendicular
to the worker
brood
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Photo by: Eric Tourneret
A queen bee lays only a single egg in each comb cell, but up to 200,000 eggs each summer
Bee larvae hatch out of the eggs, grow, and when large enough, pupate in
the cells (Four stage metamorphosis; egg, larva, pupae, bee)
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Honeybees feed their
queen during her whole
lifetime exclusively with
royal jelly, and assign
court bees to provide her
with particular attention
and care.
In summer as the colony
rapidly builds up, the
bees raise several young
queens in preparation for
splitting the colony itself.
Usually before a young
queen emerges the old
queen will leave with half
the colony 25
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Honeybees
swarm to
propagate
their
colonies
Swarming
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The old queen leaves with a large proportion of individuals from the original hive
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Young queens
mate only
once in their
lives, during
their nuptial
flight, but with
many drones.
(Average
number of
drones is 13.2)
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Sister queens
fighting to the death
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Honeybees defend themselves
with their stings
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Photo by: Eric Tourneret
•Honeybees
communicate with
one another
through various
chemical and
tactile signals.
•The dance
language is an
important part of
their
communication
•Karl von Frisch –
Nobel prize in
physiology or
medicine in 1973
Communication
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Swarm returning to the hive.
Bees display their Nasonov gland in their abdomen to direct
the bees back home 33
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•Honeybees survive the winter as a complete colony
•The bees collect together in a dense cluster, and keep
themselves warm by vibrating their wing muscles
•They use honey stores as energy source for this activity
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Winter
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Through their pollination of crop plants, honeybees are the third most
valuable domestic animal in Europe
The honeybee is the most important agent in the maintenance of flowering
plant diversity.
In all, 80% of flowering plants worldwide are pollinated by insects, and of these
about 85% by honeybees.
As many as 90% of fruit tree flowers are dependent on honeybees. The list
of flowering plants pollinated by honeybees includes about 170,000 species.
Pollination
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Serve mankind foremost as pollinators of crop plants
Flowers do their best to attract bees.
A single cherry blossom can produce more than
30 mg of nectar per day, and an entire cherry
tree, almost two kg.36
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Pollination is the process by which
pollen is transferred from the
anther (male part) to the stigma
(female part) of the plant, thereby
enabling fertilization and
reproduction37
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Content• The Honeybee
• Social Insects, Castes of honeybee, Colony, Bee biology
• History of beekeeping• Ancients, Langstroth
• Hives and Apiaries• Hive types, Season,
• Produce• Honey, wax, pollen, propolis
• Issues• Pesticides, varroa, disease, asian hornet
• Getting started• Courses, suppliers, beekeeping associations, mentors
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The "Man of Bicorp" holding
onto lianas to gather honey
from a beehive as depicted
on an 8000-year-old cave
painting near Valencia,
Spain
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The Langstroth bee hive,
patented in October 1852, is
the standard beehive used in
many parts of the world
for beekeeping.
The advantage of this hive is
that the bees build honeycomb
into frames, which can be
moved with ease.
The frames are designed to
prevent bees from
attaching honeycombs where
they would either connect
adjacent frames, or connect
frames to the walls of the hive.
‘Bee space’
The movable frames allow the
beekeeper to manage the bees
in a way which was formerly
impossible.http://en.wikipedia.org/wiki/Langstroth_hive 41
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Content• The Honeybee
• Social Insects, Castes of honeybee, Colony, Bee biology
• History of beekeeping• Ancients, Langstroth
• Hives and Apiaries• Hive types, Season,
• Produce• Honey, wax, pollen, propolis
• Issues• Pesticides, varroa, disease, asian hornet
• Getting started• Courses, suppliers, beekeeping associations, mentors
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Several types of moveable frame hive.
In the UK mostly British National hive
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Langstroth hives are
most widely used.
Others include:
WBC
Smith
British National
Top Bar Hive
Sun Hive48
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Main nectar plants:
Oilseed Rape, Dandelion, Blackberry, Himalayan Balsam, Rosebay
Willowherb, Clover, Lime, Heather, Ivy 53
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Content• The Honeybee
• Social Insects, Castes of honeybee, Colony, Bee biology
• History of beekeeping• Ancients, Langstroth
• Hives and Apiaries• Hive types, Season,
• Produce• Honey, wax, pollen, propolis
• Issues• Pesticides, varroa, disease, asian hornet
• Getting started• Courses, suppliers, beekeeping associations, mentors
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Honey at the RWAS 2014
Honey is comprised of
two main monosaccharide
sugars; glucose and
fructose and various other
sugars, trace vitamins
and minerals
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Honey facts²• Honey produces hydrogen peroxide when it is diluted, and in 1962 it was
shown that this made the honey antibacterial.
• Most bacteria prefer a pH of between 7.2 to 7.4 for optimum growth, whereas the normal range in honey is 3.2 to 4.5.
• It is often said that if honey wasn’t so sweet it would really be sour.
• Honeybees have lived in cold-temperate climates for at least the last 10–12 million years, and in order to cope with long, harsh winters they have developed the ability to collect and store many kilograms of honey; so many, in fact, that there is usually enough for them to make it through to the spring, as well as provide a goodly amount for us.
• Glucose is the sugar in honey that solidifies. Fructose is much sweeter than glucose (by a factor of 2.5 to 1).
• Today the total world production of honey represents less than 1% of all the sugar we consume each year.
• In fact, if everyone in the world ate a tablespoon of honey each day, we would consume the entire world’s annual honey production in less than three weeks
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Bees wax; candles, polish, pellets
for making cosmetics
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Gathering
nuts in May
Pollen grains are the
same size to a bee as
nuts , small fruit and
seeds are to humans61
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Propolis (pro-before, polis-city. Defender of the city, Aristotle)Propolis is now believed to:
• reinforce the structural stability of the hive;
• reduce vibration;
• make the hive more defensible by sealing alternate entrances;
• prevent diseases and parasites from entering the hive, and to inhibit fungal and bacterial growth;
• prevent putrefaction within the hive
• The resins the bees collect are the immune systems of trees and shrubs.
• They contain compounds that aren't just highly antibacterial; they have an ability to kill fungi and
viruses as well.
• Propolis is one of the strongest natural antioxidants, and in the laboratory it has even been
shown to be effective in inhibiting the growth of a wide range of cancer cells.62
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Heather honey.
This photo shows that there are many
different types of pollen in honey 63
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Heather pollen
In the US 70% of all honey has no pollen in it – Bee Culture 2013
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Content• The Honeybee
• Social Insects, Castes of honeybee, Colony, Bee biology
• History of beekeeping• Ancients, Langstroth
• Hives and Apiaries• Hive types, Season,
• Produce• Honey, wax, pollen, propolis
• Issues• Pesticides, varroa, disease, asian hornet
• Getting started• Courses, suppliers, beekeeping associations, mentors
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Varroa
destructor
arrived in
the UK in
1992
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Varroa destructor can only
reproduce in a honey bee colony.
It attaches to the body of the bee
and weakens the bee by
sucking hemolymph.
In this process, RNA viruses such
as the deformed wing virus (DWV)
spread to bees.
A significant mite infestation will
lead to the death of a honey bee
colony, usually in the late autumn
through early spring.
The Varroa mite is the parasite with
the most pronounced economic
impact on the beekeeping industry.
It may be a contributing factor
to colony collapse disorder
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Asian Hornet – not yet in the UK
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Small Hive Beetle – not in
UK but recently found in Italy
American
Foulbrood
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Wasps
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Pesticides
The UK Chemicals Regulation analysed 286 pesticides used in the EU and
identified 40 as being toxic to bees.
The neonicotinoid compounds clothianidin, imidacloprid and thiamethoxam are
recognised as highly toxic to bees by US, UK and EU regulatory authorities.
In terms of acute short term toxicity, these compounds are several hundred to a
thousand times more toxic to bees than older insecticides such as
endosulfan or DDT.
Bee larvae exposed to the longer lasting breakdown products inside the hive can
be particularly vulnerable.
Neonicotinoid residues on sprayed crop foliage can remain toxic to bees for
several days, enabling them to pick up harmful levels when visiting flowers or
walking on leaves.
For example, clothianidin residues remain toxic to honeybees for 5-21 days.
http://bees.pan-uk.org/assets/downloads/Bee_factsheet1.pdf71
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Content• The Honeybee
• Social Insects, Castes of honeybee, Colony, Bee biology
• History of beekeeping• Ancients, Langstroth
• Hives and Apiaries• Hive types, Season,
• Produce• Honey, wax, pollen, propolis
• Issues• Pesticides, varroa, disease, asian hornet
• Getting started• Courses, suppliers, beekeeping associations, mentors
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Considerations in your own garden:-
Avoid placing hives near a boundary unless it is solid such as a wall, fence, building or hedge.
This will force the bees to gain height quickly if the hive is facing the object.
If room is limited enclose the hives on the remaining sides with something dense at least
two metres high to make the bees gain height.
This could be a wooden panel fence, fine plastic netting or a trellis with quick growing plants such
as honeysuckle.
If you only have a small area available decide the maximum number of hives you will keep at this
site and stick to it, but remember that during the summer it is quite common to increase for a
number of reasons.
The larger the garden the more options you usually have and it may be better to site the bees
somewhere like an orchard.
If your garden is small or your family and neighbours aren’t keen on having bees near them there is
no point in confrontation and you would be best advised to look for a site elsewhere.
Where to site a hive?
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• Hive above head height
• Water nearby
• Strong flat roof with room
to manoeuvre the hive74
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Check out your local
beekeeping association
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Getting started
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The basic reason for any pursuit is to find happiness.
Many persons seek it through wealth, power or prestige, and while some of them
do find these things, it is doubtful whether they ever find more than specious
happiness.
The ancients who thought more deeply about happiness than we do, were
unanimous in rejecting these goals as sources of it.
They thought that happiness consisted of having a good demon, so they
called it eudaemonia.
There is no doubt that the honeybee has been my demon, and an
immeasurably good one as long as I can remember.
Happiness cannot depend upon the gifts of our fellows, nor upon their approval,
for what they bestow today they can easily withdraw tomorrow.
One’s happiness is, of course, something personal, something more his own than
any possession.
We do not all find it in the same way. Some never find it all.
Possibly most never do, even when the means are at hand.
But I have found my bees and all the countless things that I associate with
them a constant and unfailing source of happiness.
I know that not all persons are of this temperament.
Some look upon this obsession of mine with incomprehension, some with
amusement or curiosity, while I in turn pity them, for they lack the capacity
for these particular joys so fulfilling to me.
The Joys of Beekeeping – Richard Taylor³ 78
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References
1. The Buzz about Bees – Jürgen Tautz
2. Manuka: The Biography of an Extraordinary Honey - Cliff Van Eaton
3. The Joys of Beekeeping - Richard Taylor
4. Anatomy and Dissection of the Honeybee -Harry Arthur Dade.
5. Bee - Rose Lynn Fisher. Princeton Architectural Press.
6. My blog https://ccardew.wordpress.com/79
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Any
Questions?
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