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Invariance of demographic parameters using total or viable eggs
(Wiley, 2015-03)
Recently Mou et al. (J. Appl. Entomol., 139, 2015 and 00) recommended that in population studies in which hatch rates vary with maternal age, demographic parameters should be calculated excluding unhatched eggs. A mathematical ...
Time interval from ovulation to extrusion in female bullfrog in different photoperiods
(Sociedade Brasileira de Zootecnia, 2011-08-01)
It was analyzed in this work the influence of photoperiod on time interval from ovulation induction period to extrusion of ovocits in female bullfrogs (Lithobates catesbeianus). It was used 54 females reared from metamorphosis ...
Time interval from ovulation to extrusion in female bullfrog in different photoperiods
(Sociedade Brasileira de Zootecnia, 2011-08-01)
It was analyzed in this work the influence of photoperiod on time interval from ovulation induction period to extrusion of ovocits in female bullfrogs (Lithobates catesbeianus). It was used 54 females reared from metamorphosis ...
Demographic aspects of Chrysomya megacephala (Diptera, Calliphoridae) adults maintained under experimental conditions: reproductive rate estimates
(Brazilian Archives of Biology and Technology, 2006-05-01)
Chrysomya megacephala (Fabricius) (Diptera, Calliphoridae) é uma espécie de mosca-varejeira de considerável importância médico-sanitária que foi introduzida acidentalmente no Brasil nos anos 70. O objetivo do presente ...
Reproductive partitioning and seed set efficiency in soybean, sunflower and maize
(Elsevier Science, 2001-09)
Seed number per plant (SNP) can be modelled as a function of plant growth rate during the critical period for seed set (PGRC), the proportion of plant growth partitioned to reproductive organs (PR) and the minimum assimilate ...
Reproductive and productive performances of Santa Ins ewes submitted to breeding in different periods of the Amazonian humid tropical climate
(Springer, 2015-12-01)
The objective of this study was to evaluate the reproductive and productive performance of Santa Ins ewes bred at different times of the year in humid tropical climate. One hundred and forty-eight Santa Ins ewes were grouped ...
Slow life histories in lizards living in the highlands of the Andes Mountains
(Springer Heidelberg, 2017-11-17)
In the highlands of the Andes, lizards must balance precisely the allocation of energy for growth and reproduction to ensure their survival. We studied the individuals’ age, growth rates, age at sexual maturity, and maximum ...