Genetic correlations between purebred and crossbred pre- and post-weaning piglet mortality

J Harper; K L Bunter

Genetic correlations between purebred and crossbred pre- and post-weaning piglet mortality

J Harper
, K L Bunter

Animal Genetics and Breeding Unit

Research output: Contribution to journal › Conference article

Abstract

Purebred performance can be a poor predictor of future crossbred performance. This study investigated the genetic correlations between purebred and crossbred individual piglet pre- and postweaning mortality traits. The estimates of the additive genetic correlations between purebred and crossbred performances (r_pc) were high (pre-weaning: r_pc = 0.78 ± 0.097 and post-weaning: r_pc = 0.94 ± 0.112). High correlations (r_pc > 0.75) demonstrate that survival traits of crossbred pigs will be improved using genetic evaluation and selection based on purebred records.

Original language	English
Pages (from-to)	70-73
Journal	Proceedings of the AAABG 26th Conference
Publication status	Published - 30 Jun 2025
Event	AAABG 2025: 26th Conference of the Association for the Advancement of Animal Breeding and Genetics - Millennium Hotel Tahuna Queenstown, New Zealand, Queenstown, New Zealand Duration: 24 Jun 2025 → 26 Jun 2025

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title = "Genetic correlations between purebred and crossbred pre- and post-weaning piglet mortality",

abstract = "Purebred performance can be a poor predictor of future crossbred performance. This study investigated the genetic correlations between purebred and crossbred individual piglet pre- and postweaning mortality traits. The estimates of the additive genetic correlations between purebred and crossbred performances (rpc) were high (pre-weaning: rpc = 0.78 ± 0.097 and post-weaning: rpc = 0.94 ± 0.112). High correlations (rpc > 0.75) demonstrate that survival traits of crossbred pigs will be improved using genetic evaluation and selection based on purebred records.",

author = "J Harper and Bunter, \{K L\}",

year = "2025",

month = jun,

day = "30",

language = "English",

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journal = "Proceedings of the AAABG 26th Conference",

issn = "1328-3227",

publisher = "Association for the Advancement of Animal Breeding and Genetics",

note = "AAABG 2025: 26th Conference of the Association for the Advancement of Animal Breeding and Genetics ; Conference date: 24-06-2025 Through 26-06-2025",

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TY - JOUR

T1 - Genetic correlations between purebred and crossbred pre- and post-weaning piglet mortality

AU - Harper, J

AU - Bunter, K L

PY - 2025/6/30

Y1 - 2025/6/30

N2 - Purebred performance can be a poor predictor of future crossbred performance. This study investigated the genetic correlations between purebred and crossbred individual piglet pre- and postweaning mortality traits. The estimates of the additive genetic correlations between purebred and crossbred performances (rpc) were high (pre-weaning: rpc = 0.78 ± 0.097 and post-weaning: rpc = 0.94 ± 0.112). High correlations (rpc > 0.75) demonstrate that survival traits of crossbred pigs will be improved using genetic evaluation and selection based on purebred records.

AB - Purebred performance can be a poor predictor of future crossbred performance. This study investigated the genetic correlations between purebred and crossbred individual piglet pre- and postweaning mortality traits. The estimates of the additive genetic correlations between purebred and crossbred performances (rpc) were high (pre-weaning: rpc = 0.78 ± 0.097 and post-weaning: rpc = 0.94 ± 0.112). High correlations (rpc > 0.75) demonstrate that survival traits of crossbred pigs will be improved using genetic evaluation and selection based on purebred records.

UR - https://www.aaabg.org/aaabghome/proceedings26.php

M3 - Conference article

SN - 1328-3227

SP - 70

EP - 73

JO - Proceedings of the AAABG 26th Conference

JF - Proceedings of the AAABG 26th Conference

T2 - AAABG 2025: 26th Conference of the Association for the Advancement of Animal Breeding and Genetics

Y2 - 24 June 2025 through 26 June 2025

ER -

Genetic correlations between purebred and crossbred pre- and post-weaning piglet mortality

Abstract

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