Buscar
Mostrando ítems 1-10 de 95
Paternal and maternal ages at conception and risk of bipolar affective disorder in their offspring
(CAMBRIDGE UNIV PRESS, 2010)
Background. A consistent association between paternal age and their offspring`s risk of schizophrenia has been observed, with no independent association with maternal age. The relationship of paternal and maternal ages ...
Mating opportunities, paternity, and sexual conflict: Paternal care in northern and southern temperate house wrens
(Springer, 2012-02)
Males are generally predicted to care less for their young when they have more additional mating opportunities, lower paternity, or when their mates care more. We tested these predictions using male provisioning as a proxy ...
Idade masculina: Qualidade do sêmen e fertilidade: Idade masculina X qualidade seminal
(2012-09-10)
The man's age seems to affect reproductive function but to a lower degree compared with the woman's age. In fact, the effect of paternal age on semen quality has been discussed, but the results are contradictory. Considering ...
Paternal treatment with cisplatin impairs reproduction of adult male offspring in rats
(Pergamon-Elsevier B.V. Ltd, 2011-12-01)
This study evaluated the acute and persistent effects of paternal cisplatin-treatment on progeny. Wistar male rats (45 days old) were assigned into 2 groups. Control and cisplatin (CP: 1 mg/kg-d, 5 days/week, for 3 weeks, ...
La edad paterna como factor de riesgo para malformaciones congénitas
(Sociedad Médica de Santiago, 2008-02)
The role of advanced maternal age as a risk factor
for congenital malformations in offspring is known. However, the influence of paternal age is not
clear. Aim: To evaluate the association between advanced paternal age ...
Accuracy of genomic breeding values and predictive ability for postweaning liveweight and age at first calving in a Nellore cattle population with missing sire information
(2021-09-01)
The multiple sire system (MSS) is a common mating scheme in extensive beef production systems. However, MSS does not allow paternity identification and lead to inaccurate genetic predictions. The objective of this study ...
La edad paterna como factor de riesgo para malformaciones congénitas
(Sociedad Médica de Santiago, 2008)
Paternal treatment with cisplatin impairs reproduction of adult male offspring in rats
(Pergamon-elsevier Science LtdOxfordInglaterra, 2011)
Effects of paternal diet and antioxidant addition to the semen extender on bovine semen characteristics and on the phenotype of the resulting embryo
(2021-11-01)
The aim of this study was to examine the effects of long-term dietary supplementation of young Nellore bulls with rumen-protected polyunsaturated fatty acids (PUFAs) and of the inclusion of catalase in the semen extender ...
Paternal effects associated with melanism in Harmonia axyridis (Coleoptera: Coccinellidae): mating sequence asymmetries and interactions with age-specific maternal effects
(2018-10-01)
1. For this study a cohort of melanic Harmonia axyridis males homozygous for the spectabilis allele was produced. These were used to produce four kinds of twice-mated females, comprising all four permutations of melanic ...