maternal effect(redirected from Paternal effect)
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See maternal inheritance.
maternal effectan environmental phenomenon in which the phenotype of an offspring is influenced by the maternal tissue. An example is the adverse influence of maternal smoking on the weight of the unborn baby.
pertaining to the female parent.
see dam-offspring bond.
the transitory influence of the mother on the phenotype of her offspring, caused by factors such as milk yield and uterine environment.
failure of the dam to stay with the neonate, failure to groom it, help it to feed, find it if separated. The extreme degree is desertion. Characteristic of some breeds, e.g. merino ewes. See also mismothering.
maternal nutritional status
body condition of a dam, pregnant or with a neonate at foot; important management feature as insurance for the survival of the offspring.
maternal obstetric paralysis
a common abnormality after a difficult calving, especially in a heifer. It is caused by pressure on peripheral nerves, and manifests itself as weakness, paresthesia in one hindleg, or difficulty or inability to rise. The ligaments, joints and muscles are normal. See also obturator paralysis.
maternal pelvic inlet
the size of the aperture leading from the peritoneal to the pelvic cavity.