A dynamic panel data model of neonatal mortality and birth spacing is analyzed, accounting for causal effects of birth spacing on subsequent mortality and of mortality on the length of the next birth interval, while controlling for unobserved heterogeneity in mortality (frailty) and birth spacing (fecundity). The model is estimated using micro data on about 29000 children of 6700 Indian mothers...

Aspects of the biology of Mormyrus rume (Cuvier and Valenciennes) in Lekki lagoon were investigated. This included the length-weight relationship, condition factor, food and feeding habits and the fecundity of the fish species. The major fishing methods employed for collecting the 225 specimens were castnetting and setnetting. The total lengths ranged from 15.0 to 24.9 cm while the standard len...

it has been hypothesized that the survival, development, fecundity and population of insects are affected significantly by high temperatures. the diamondback moth, plutella xylostell (l.) (lepidoptera: plutellidae), is a serious and economically important pest of cruciferous crops throughout the word. in this research, the adult longevity and fecundity of p. xylostella were studied in laborator...

Growth and reproductive attributes were determined for Capoeta damascina, an endemic fish species from west of Iran. A total of 147 specimens of both sexes were sampled monthly from November 2008 to October 2009. The overall sex ratio was female biased. Males were aged 0-4 years and females 0-5 years. The von Bertalanffy growth parameters were estimated as Linf=34.81 cm, k=0.27 year-1, t0=-0.65...

The present work focused to explore reproductive biology of fish from different Indian major rivers and its tributaries by comparing ovarian protein, fecundity, oocyte weight, oocyte diameter and condition factor during the spawning period. Correlation between fish reproductive parameter of different Indian major rivers and its tributaries showed a significant relationship. Among studied parame...

The present work focused on exploring reproductive biology of fish from different major rivers of India and their tributaries by comparing ovarian protein, fecundity, oocyte weight, oocyte diameter and condition factor during the spawning period. Significant correlation was found between reproductive parameters of fish in the major rivers and their tributaries. Among the parameters studied fecu...

White grunt ( Haemulon plumierii ) has gained relevance as an alternative resource to fisheries off the northern coast of Yucatan Peninsula, however, knowledge its biology in region is scarce. Thus, order explore the reproductive H. , a total 355 specimens were caught with hand line and bait, from September 2015 November 2016 conduct histological analysis gonads. The sample was represented by 2...