P
Glossary
Parentage
testing
The
exclusion of relationship when an animal has a genotype inconsistent to a
putative relationship.
Parturition
The
act of giving birth.
Pedigree
A
tabulation of ids and names of an individual’s ancestors. Pedigree information
is used to establish genetic relationships among individuals to use in genetic
evaluations.
Peer-to-peer
system
(P2P)
Computer network that relies on the computing power and bandwidth of the
participants in the network rather than concentrating it on a relatively few
number of servers.
Performance
data
The
record of the individual animal for production, reproduction, feed intake or
carcass merit.
Performance
testing
The
systematic collection of performance data on an individual.
Performance
traits
An
alternative term used to describe recorded traits.
pH
Degree
of acidity or alkalinity.
Phenotype
The
set of observable characteristics of an animal.
Polygenic
A
trait controlled by many genes and their interactions.
Polymorphism
The
existence of two or more alleles at a gene locus in a population.
Postpartum
After
the birth of an individual.
Postpartum
interval
The
number of days between parturition and the first postpartum oestrus.
Post-weaning
growth
Growth
from weaning to yearling.
Predictor
trait
A
trait that can be measured easily on an animal and which is highly correlated to
a relevant production trait. An example is scrotal circumference in the case of
male fertility.
Preweaning
gain
Weight
gained between birth and weaning.
Primiparous
Female
giving birth for first time.
Productive
herd life
The
period of time between the start of production and the end of productive
life.
Progeny
The
offspring of the parents.
Progeny
Test
The
evaluation procedure of an animal based on the performance of its
progeny.
Puberty
The
age at which the reproductive organs become functionally operative and secondary
sex characteristics begin to develop.