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Genetic evaluation for functional longevity in Polish Simmental cattle
cattle Polish Simmentals productive life Weibull proportional hazards model
2017/6/22
The Weibull proportional hazards model was applied for genetic evaluation of functional longevity in Polish Simmentals. Data consisted of production and disposal records for 12 527 Simmental cows, dau...
Self-ratings of health and longevity:A health psychologist’s viewpoint on epidemiological findings
Self-ratings health longevity:health psychologist’s viewpoint epidemiological
2016/1/18
“How, in general, would you rate your health:excellent, very good, good, fair, or poor?” This simple question often serves as an opening to many largesociological and epidemiological health-related su...
Genetic relationship of functional longevity with female fertility and milk production traits in Czech Holsteins
Holstein cattle genetic parameters milk yield functional traits
2015/6/24
The objectives of this study were to estimate heritabilities of and genetic correlations among longevity, milk production, and female fertility traits of Holstein cows. Fertility traits were days open...
Analysis of longevity in the Slovak Pinzgau population – extension to the animal model
Pinzgau cattle survival analysis breeding value genetic variability reliability heritability
2015/6/24
Breeding values for length of productive life in Slovak Pinzgau cattle were estimated using survival analysis. As the results were corrected for milk production, the final breeding values represented ...
Effect of age at first calving on longevity and fertility traits for Holstein cattle
functional traits survival analysis linear model cattle
2015/6/24
Effects of age at first calving (AFC) on functional longevity of Czech Holstein cows and their reproduction traits in the first lactation were analyzed using the first lactation data of 605 538 Holste...
Genetic correlations between longevity and conformation traits in the Czech Holstein population
cows Holstein breed longevity
2015/6/23
Genetic correlations between longevity and conformation traits were estimated using data
on Czech Holstein cows first calved in the years 1993–2008. Longevity traits considered were length of
prod...
Relationships between longevity and conformation traits in Czech Fleckvieh cows
cattle Czech Fleckvieh longevity
2015/6/8
The relationships between conformation and longevity traits were analysed in 58 493 Czech Fleckvieh cows first calved from 1994 to 2003. All cows were scored for conformation during the first lactatio...
Relationships between conformation traits and longevity of Holstein cows in the Czech Republic
Holstein cows longevity type traits correlations
2015/6/2
The relationships between conformation traits and longevity traits were analyzed in 41 489 Holstein cows born in the years 1994–1999 which were culled by 30th June 2005. Pearson correlation coefficien...
Needle longevity as a criterion of response to a climatic fluctuation (so called heat wave) in Scots pine populations at early phases of ontogeny
Scots pine Pinus sylvestris number of needle age classes needle retention climatic episode of heat wave
2015/4/14
The paper presents results of an assessment of needle age classes in Scots pine partial populations in the period of three and five years after outplanting in a lowland site in relation to conditions ...
Post-harvest longevity of leaves of the sea lavender (Limonium latifolium (Sm.) Kuntze) after application of growth regulators
fl orists’ greens vase live index of leaf greenness
2015/3/19
Conditioning is a simple and eff ective method of post-harvest longevity of both fl owers and fl orists’ greens. Performing this treatment immediately after harvest by the producer i...
Effect of Temperature on the Developmental Rate, Longevity and Parasitism of Aphidius ervi Haliday (Hymenoptera: Aphidiidae)
Aphidius ervi development time parasitism
2015/3/2
Temperature-dependent development, longevity and parasitism of the parasitoid Aphidius ervi Haliday was
measured at four constant temperatures between 15°C and 30°C using Aphis pomi de Geer as host....
The Precocity-Longevity Hypothesis Re-Examined: Does Career Start Age in Canadian National Hockey League Players Influence Length of Lifespan?
Elite athletes age age and early death
2015/5/25
Available data on elite athletes suggests they have longer lifespans than the general population (Teramoto and Bungum, 2010); however, this relationship is likely more nuanced than previously consider...
Maternal longevity is associated with lower infant mortality
AKeA2 survey centenarians infant mortality longevity Sardinia
2014/11/27
Objective: Referring to the multidisciplinary and multipurpose survey AKeA2, and focusing on family genealogy data on centenarian women and controls, this paper aims to verify the hypothesis that mate...
Rivalry, solidarity, and longevity among siblings: A life course approach to the impact of sibship composition and birth order on later life mortality risk, Antwerp (1846-1920)
19th century Antwerp early life conditions event history analysis gender life course longevity mortality risk resource dilution sibship size
2014/11/27
Background: Family composition and household dynamics, both in early and in later life, influence individual health and longevity. Both positive and negative effects can be expected in terms of siblin...
A matrix approach to the statistics of longevity in heterogeneous frailty models
frailty heterogeneity individual stochasticity longevity Markov chains mortality
2014/11/27
Background: The gamma-Gompertz model is a fixed frailty model in which baseline mortality increases exponentially with age, frailty has a proportional effect on mortality, and frailty at birth follows...