An offer too good to refuse

[foghornleghorn]

I was asked about the pedigree of the queen and why I think she is so special:

Since the queen is to be used as a drone mother it isn't her pedigree but her mothers that is important. I have produced a screen dump of the relevant information from BeeBreed here https://www.dropbox.com/s/56n6xhfsmpe83p3/Screenshot 2015-08-07 12.03.28.png?dl=0

It goes without saying that all of her breeding values are well over the 5-year rolling average (Honey yield 116%, docility 123%, stability on the comb 119%, swarm resistence 112%, chalkbrood 103%) but it is her varroa index (141%) that I am particularly interested in. The tests I have done on my 2014 queens indicate a hygiene rating of about 90% so incorporating the genes of this queen should produce a much improved line.

What sort of % accuracy go with those figures?

 

[B+.]

What sort of % accuracy go with those figures?

My understanding is that the reliability row indicates the % accuracy but I am not sure how it is calculated.
From what I have read, it is based on the number of respondents for that trait but also incorporates a weighting for breeders with high numbers of a particular line.
You will appreciate that some of the characteristics are subjective and some are objective. Also some breeders have more experience with a particular line than others and it is better to have this represented in the reliability of the breeding value.
I can look into this further and communicate with you on it by pm as I think the statistics might be a bit confusing

If anyone is interested in the breeding value estimation, you can read about it here http://edepot.wur.nl/326724

 

[foghornleghorn]

My understanding is that the reliability row indicates the % accuracy but I am not sure how it is calculated.
From what I have read, it is based on the number of respondents for that trait but also incorporates a weighting for breeders with high numbers of a particular line.
You will appreciate that some of the characteristics are subjective and some are objective. Also some breeders have more experience with a particular line than others and it is better to have this represented in the reliability of the breeding value.
I can look into this further and communicate with you on it by pm as I think the statistics might be a bit confusing

If anyone is interested in the breeding value estimation, you can read about it here http://edepot.wur.nl/326724

They're fairly high reliabilities considering the amount of variables, usually get about 55-60% with genomic tested bulls with information coming from icbf(have info on all cattle in the country, calving intervals etc)

 

[B+.]

What sort of % accuracy go with those figures?

I assumed you meant the BeeBreed figures..My figure was raw data which I have previously disclosed in the queen rearing area together with my comments about the tests.

 

[B+.]

A quick google search came up with this paper (http://www.scribd.com/doc/109700016/Reliability-of-breeding-values-in-selected-populations#scribd) on the reliability of breeding values in selected populations. One of the authors is P. Bijma who worked with Prof Brascamp on the breeding value estimations paper I mentioned above.

If you have a mind to delve into some heavy statistics and genetics (or if you need a good nights sleep), I recommend them to you

 

[beebreeder]

Pm sent