To develop inbred lines, parents are crossed to generate segregating populations from which superior inbred progeny are selected. The value of a particular cross thus depends on the expected performance of its best progeny, which we call the superior progeny value. Superior progeny value is a linear combination of the mean of the cross's progeny and their standard deviation. In this study we sp...

Abstract The use of probiotics in swine production may be an alternative to antibiotics for both disease prevention and growth promotion. Limited data exist on their potential modulate offspring immune function when fed solely the dam. A study was designed assess immunomodulatory effect maternal supplementation Saccharomyces cerevisiae var. boulardii (scb) from gestational day 84 until end lact...

Background: Decay products of radon and thoron present in indoor environment are the most important sources of radiation from natural sources which affect human beings, since general public spend at lest 80% of their time in indoor. Materials and Methods: Air samples were collected for measuring the concentration of radon and thoron daughter products from various indoor environments d...

The radiological hazard of radon gas to occupants in residential environments is from the particulate progeny "'Po, ""Pb, ^Bi and "4P0, rather than ^Rn itself. Attachment to aerosols, plateout and resuspension impacts on the actual progeny airborne concentrations. Plateout rate factors are measured for different air change (ventilation) rates, ACH, in a 0.28 m3 test chamber for interior residen...

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Studies have shown that maternal chronic stress or depression is linked to an increased risk for affective disorders in progeny. However, the impact of maternal chronic stress before pregnancy on their progeny in animal models has not been well studied. We investigated the behaviors and the neurobiology in 60-day-old male progeny of maternal rats exposed to a 21-day chronic unpredictable stress...

the maintenance of the endangered caspian brown trout salmo trutta caspius populations in iran depends on its artificial breeding. there is no information on how current hatchery breeding protocol influences effective population size of breeders (ne), which is a critical parameter to maintain genetic diversity in future generations. the current hatchery protocol (chp) was comparatively evaluate...

A quasi-cyclicity associated with variability of environmental conditions is detected for the regression residuals stock-recruitment model chum salmon Oncorhynchus keta in Okhotsk district, described by Ricker’s equation. The main factors influenced on progeny abundance were number spawners and amount precipitation spawning grounds area certain months. mathematical has been developed that simul...