a total of 2000 records of egg quality of 746 birds and body weight data from 17th generation of fars native fowl breeding station were used to estimate the genetic parameters of egg quality and body weight traits. six univariate animal models with different random effects were fitted for each trait. a model with direct additive genetic and maternal permanent environmental effects was the most ...

OBJECTIVES To construct normal ranges for embryonic crown-rump length (CRL), heart rate (HR), gestational sac diameter (GSD) and yolk sac diameter (YSD) at 6-10 weeks of gestation. METHODS We examined 4,698 singleton pregnancies with ultrasound measurements of CRL, HR, GSD and YSD at 6-10 weeks and CRL at 11-13 weeks resulting in the live birth after 36 weeks of phenotypically normal neonates...

Pollen, macroand micro-fossils, and sedimentologic indicators in sediment cores from Discovery Pond (DP) in south-central Alaska indicate that the coldest interval of the last deglacation was coincident with the onset of the Younger Dryas (YD), around 12.8 cal ka. The multi-proxy record from DP together with a compilation of recently published YD records from southern Alaska and the adjacent no...

We present a benthic foraminiferal multiproxy record of eastern equatorial Atlantic (EEA) middepth water (1295m) covering the last deglacial. We show that EEA middepth water temperatures were elevated by 3.9 ± 0.5°C and 5.2 ± 1.2°C during Heinrich event 1 (H1) and Younger Dryas (YD), respectively. The radiocarbon content of the EEA middepth during H1 and YD is relatively low and comparable to t...

This paper presents the first Lateglacial/Holocene (the last 13 500 cal a bp) ostracod ?18O record to infer hydroclimate variability in Southern French Alps. Cytherissa lacustris (?18Osp) shells extracted from sediments of Lake Allos allowed reconstruction ?18Olake water (?18Olw) except for interval 5800–2800 bp. The shape Younger Dryas (YD) clearly differed records documented northern First, ?...

This study was conducted to examine morphometric and meristic characteristics alongside pigmentation patterns of bream larvae, Abramis brama orientalis, in four stages of larval development. Morphological characters including total length (TL), standard length (SL), notochord length (NL), head length (HL), head depth (HD), eye diameter (ED) and mouth width (MW) were examined from hatching time ...

Describe the embryonic development of Paralabrax humeralis (Peruvian rock seabass) and present morphology its eggs yolk-sac larvae using spawned by P. broodstock in captivity. The spawning occurred naturally spontaneously early November 2018. egg is pelagic round, with a diameter 0.98 ± 0.02 mm, an oil globule, 0.2 mm. Embryonic started meroblastic cleavage, reaching first cleavage stage at 0.4...

A detailed, well-dated record of pollen and sedimentary ancient DNA (sedaDNA) for the period 15 000–9500 cal a bp describes changes at Lake Bolshoye Shchuchye in Polar Ural Mountains, located far east classical Lateglacial sites western Europe. Arctic tundra rapidly changed to lusher vegetation, possibly including both dwarf (Betula nana) tree birch (B. pubescens), dated our take place 14 565 b...