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  • Swarm Prevention Strategies
    2025/01/15

    Intro

    including reference to Ian Steppler YouTube video just posted on varroa treatments, using Randy Oliver spreadsheet model. https://youtu.be/Z2FLoAq6LDc

    02:20 Recent apiary inspection of nucleus colonies

    03:50 What causes swarming?

    06:40 Impossible to eliminate, but we can influence

    07:10 Genetics, personal experience, Paul Horton's bees, sub-species

    11:25 Queen pheromones, age of queens

    12:35 Brood nest congestion

    15:10 Climate and weather

    16:30 Poor weather in spring 2024 reduced swarming

    18:20 Prevention rather than control of swarming

    20:20 Selective breeding, selective pressure - leaving a single queen cell in a swarmed colony pushes it in the wrong direction, using cells/queens from breeding program is better, using over-wintered queens

    24:55 Re-queening, younger queens are less likely to swarm

    26:20 Gruff Rees YouTube interview "No Weekly Inspections" with David Wainwright - a less intensive style of beekeeping

    28:40 Regular hive inspections 7 to 10 day rotation, checking for eggs, space for bees, space for queen to lay, swarm cells

    30:50 Space for bees, brood, and stores. Staying ahead of the bees. Supering.

    33:15 Frame swapping, making splits or cell builders, space in a Langstroth brood box

    37:20 Reversing boxes, double brood, brood and a half

    40:00 Adding a brood box of foundation overhead, then splitting, combined with oxalic mite treatment

    43:55 Demaree, adding space while keeping the colony together - not a split. Lots of heavy lifting, might be problematic with foundation in the bottom box and the changeable UK weather

    49:00 What works for one person may not work for the next person

    49:40 Checkerboarding, small book on the subject published by Northern Bee Books

    53:45 Summary

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    56 分
  • Latest Advice On Varroa
    2025/01/09

    00:30 Importance of both good queens and low mite levels

    01:40 How Steve's thinking on varroa treatment regimes evolved from 2 times per year to three.

    02:20 Alcohol wash on all colonies as per Randy Oliver, treatment threshold

    03:15 What to do with infested colonies in summer when supers are on, what causes outlier colonies with more mites than the others, benefits of winter oxalic acid treatment

    04:50 Shook swarm - the drastic option

    05:50 Treatment free approach, for optimists and people in isolated locations, or people who have a closed population of bees

    06:50 The problems with a "live and let die" approach

    07:30 Randy Oliver's method for breeding resistant bees that are good bees for commercial bee farming

    08:50 Quotes from Randy regarding going treatment free

    09:40 Progress towards resistance is still a win, fewer chemicals, lower costs

    10:30 Latest advice on dealing with varroa in honey bee colonies, below 2% infestation and below 1,000 mites total

    11:30 Importance of continual monitoring for treatment-free beekeepers, natural mite drop problems, alcohol wash

    12:30 Survival versus thriving bees, compare traditional to treatment free

    Latest science on treatment-free:

    Mondet, F., Beaurepaire, A. McAfee, A., Locke, B., Alaux, C., Blanchard, S. and LeConte, Y. (2020) Honey bee survival mechanisms against the parasite Varroa destructor: a systematic review of phenotypic and genomic research efforts. International Journal for Parasitology, 50.

    DOI:doi.org/10.1016/j.ijpara.2020.03.005

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    14 分
  • Rapeseed Oil and Offshoring
    2025/01/06

    0:00 When oilseed rape (OSR) first arrived in the UK

    00:50 The UK has moved from being a net exporter to net imported of rapeseed oil, costing the UK economy £1 billion

    01:10 List of the main cooking oils ranked by healthiness

    03:10 Rapeseed oil is the most consumed oil in the UK

    04:00 OSR is useful to arable farmers as a rotation crop

    04:40 OSR downsides, cabbage stem flea beetle, neonics

    05:20 The neonic ban in the UK, lower crop yields

    05:50 Sources of rapeseed oil imports

    06:15 EU emergency derogations (the loophole)

    07:20 Emergency derogations are also allowed for so-called organic crops

    07:50 Offshoring of neonic usage

    08:20 OSR Reboot - plans for the future by the main stakeholders in the industry

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    10 分
  • Stress Testing Varroa Treatment Regimes
    2025/01/04

    Based on post of 19 November 2024 on thewalrusandthehoneybee.com

    01:30 The damage caused by varroa mites - leading cause of colony losses worldwide

    03:30 Learning to keep bees alive

    04:00 Current trend among hobby beekeepers for going treatment-free

    06:00 USA honey bee colony losses, deformed wing virus

    07:45 Using an alcohol wash to monitor mite infestation

    09:00 Randy Oliver spreadsheet model

    10:20 Available mite treatments, using them properly, resistance to treatment

    14:00 Extended release oxalic acid - not yet approved in UK

    15:40 Mechanical methods, drone comb removal, caging queens - brood break

    20:00 Samples of bees don't always give accurate results, what to do if mite numbers are high in June

    24:00 Trying different scenarios in the spreadsheet model, one treatment per year - not sustainable

    26:30 deciding on the starting number of mites to use in the model

    26:50 The four measures I look for when evaluating a treatment regime: starting mites, ending mites, peak number of mites, number of mites in September (winter bees)

    30:15 Two treatments per season - autumn and winter. Timing of oxalic acid treatment in winter, when are they broodless.

    31:45 The two treatment regime does ok. The only problem is that there is not a huge amount of leeway, so if the winter oxalic was not fully effective the starting number of mites would be potentially high enough to cause problems before the autumn treatment.

    33:00 Three treatments per season, spring amitraz, autumn formic, winter oxalic - this regime is bulletproof and pretty well guarantees control of varroa mites throughout the season. The difference between three treatments versus two is massive.

    36:15 Balancing damage by mites against putting chemicals in hives

    37:00 Importance of keeping the good genetics in our honey bees, such as gentle, low swarming, high honey production. By not treating I lose most of my bees and most of those favourable genetics, is it really worth it to have varroa resistant bees that have lost the traits that I want

    39:30 Most bee farmers will treat for varroa and not raise varroa resistant bees. The only way to successfully breed varroa resistant bees will be to find a place far away from any bee farmers - very hard to do in the UK

    40:30 Downside of three treatment regime - no point doing alcohol wash, cannot spot the queens that have varroa resistant bees in their colonies

    42:00 Stress testing as above but with a brood-break due to caging the queen. Three treatments per season still wins. My conclusion is that the brood break strategy is not worth the effort, but it may work for others, especially countries with more stable weather.

    44:45 Thymol effect on laying rate of queens, oxalic acid trickle versus sublimation

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    47 分
  • Queen Rearing - Timings and Workflow
    2025/01/02

    Intro and reasons for not using an AI reader.

    01:30 Reasons for making queens

    02:35 Importance of being organised, knowing timings, mindset - sometimes things go wrong

    03:19 Breeder queens, Steve's three breeder queens in 2024 and why these were selected

    06:45 Keeping breeder queens in nucleus hives

    07:40 Drones, open mating, using drone comb

    08:20 Using BeeBase

    09:20 Re-queening poor colonies

    10:08 Cell builders, double nuc method compared to Brother Adam method

    12:50 Grafting day, checking for queen cells

    14:50 Well fed larvae for grafting, two different grafting methods

    17:50 Avoiding brace comb being build across queen cells

    19:00 Removing queen cells and moving to the incubator

    20:00 Effects of different incubation temperatures on queen development time and colour

    21:30 Keeping the cell builder going through summer, bottlenecks in production

    23:40 It's ok if you don't have an incubator

    24:20 Mating nucs, Carricel portable incubator, cell protectors

    25:20 Mini-plus hives and Kieler nucs, Steve much prefers Mini-plus and is phasing out the Kielers. Setting up a Kieler nuc for first use.

    27:50 If queens don't get mated in 2-3 weeks they are replaced with a new cell

    30:00 Advantages of Mini-plus, importance of letting queens mature for a month or more before introducing to a new colony

    32:00 Over-wintering queens in nucs, re-queening production colonies after their second season, push-in cages

    34:30 Failure to mate, drone laying queens

    35:30 Making queens is very worthwhile, visit the blog post to view relevant images.

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    36 分
  • How To Increase Honey Production: Three Factors That Matter Most
    2025/01/01

    Imogen reads from Steve's blog post of 1st September 2024

    00:53 Queens

    The importance of the queen in a honey bee colony cannot be overstated

    02:37 Gruff Rees reviewed "Healthy Bees, Heavy Hives" by Paul Horton and Steve Donohoe, calling it "the best beekeeping book ever". We'll take that.

    02:40 Comparison between colonies headed by my normal queens and four which contained queens made by Ivan Nielsen in Denmark. It turned out that the Nielsen queens made lots more honey. Nielsen says that the aim is for honey to be uniformly spread over all colonies, rather than have some monsters and some small ones.

    04:40 What makes a good queen? Prolific queens will lead to bigger honey crops, but only if forage is available and the weather is good.

    05:50 Starvation and having to feed syrup in early June.

    06:00 Buying queens. Quality will vary, as with all natural things.

    06:40 Making your own queens

    07:15 Heavy queens tend to be better

    07:30 Ideal conditions for making queens.

    07:50 Controlling Disease and Parasites - the second important factor in producing a good honey crop. Chalkbrood, European foulbrood, varroa mites and associated viruses, chronic bee paralysis. The treatment protocol followed by Steve and Alex at Walrus Apiaries. Formic Pro. Thymovar. VarroMed.

    10:38 Forage and Nutrition - the third important factor.

    Fixed apiaries versus migratory beekeeping.

    11:20 When to feed? Sugar and pollen substitute. Importance of pollen stores in Autumn.

    13:00 Sugar contamination risks. Manley's thoughts on syrup feeding in May. Timing of feeding for winter stores.

    14:20 Summary

    The Walrus and the Honey Bee

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    15 分