Then, all the genotyped candidates receive a pseudo-record based on genomic information to be included in the mixed model equations (MME), in addition to the actual phenotypic records.
The signals were high-pass filtered with a 5 sec time constant to provide a pseudo DC recording, and low-pass filtered using a four-pole Bessel analog with a 300 Hz corner frequency.
Finally, when an incorrect genetic trend was simulated to lead to biased pseudo-records, a joint analysis including a time effect could adequately correct for this bias.
A full free induction decay (FID) is recorded in a pseudo 2D fashion by incrementing the delay τ between excitation and acquisition and concatenating all recorded chunks to a full FID of the desired length.
When analysed with a simple linear animal model, pseudo-records weighted appropriately lead to the same estimated genetic values as the initial survival model used to compute them.
By combining these pseudo-records in a multiple trait model and fixing the genetic and residual variances to their values computed during the first step, we obtained correlation estimates by AI-REML and approximate MT-BLUP predicted breeding values that blend direct and indirect information on longevity.
In the second step, genetic parameters for direct and associative effects on pseudo-records were estimated using a linear animal model [ 8, 13], implemented in ASReml [ 31].
Pseudo-records are functions of the data and of the effects estimated in the survival model, such that when a straightforward BLUP animal genetic evaluation is applied on these pseudo-records, the same estimated breeding values are obtained as in the initial survival model.
In the second step, genetic parameters on pseudo-records with their associated weights are estimated using a linear animal model.
Learn how to scratch.The decks can be used to find your place in a song when they're queued up or they can be use as pseudo-records to get your scratch on.
Pseudo-records can be regarded as the result in the data of a linearization of the model.
