Mid-frequency military (1-10 kHz) sonars have been associated with lethal mass strandings of deep-diving toothed whales, but the effects on endangered baleen whale species are virtually unknown. Here, we used controlled exposure experiments with simulated military sonar and other mid-frequency sounds to measure behavioural responses of tagged blue whales (Balaenoptera musculus) in feeding areas...

A piezoelectric vibration feeder with a magnetic spring is discussed in this paper. The feeder can keep resonance frequency relatively stable under changing loading. Through the analysis on the working principle and magnetic spring stiffness characteristic of this feeder, the dynamic model was established and the relationship among system resonance frequency, loading and magnetic spring stiffne...

OBJECTIVE The aim of this study was to examine the effects of breast feeding on autonomic nervous system (ANS) response to stressors. METHODS Sympathetic and parasympathetic activities were examined before, during, and after standard laboratory stressors in women who were either exclusively breast feeding (n=14) or nonexclusively breast feeding (n=14), and in non-postpartum controls (n=15). ...

We examined the impact of avian predators on the community of insects feeding on Lemmon’s willow, Salix lemmonii, at Carman Valley, California. Salix lemmonii supports a diverse assemblage of insect species that feed in either a concealed or an exposed manner on leaves by mining, tying, curling, galling, skeletonizing, or chewing. We tested the hypothesis that there are guild specific differenc...

background: children with cleft lip and palate generally suffer from inappropriate and inadequate feeding, resulting in insufficient weight gain leading to malnutrition and poor growth. we aimed to evaluate the nutritional and growth status of cleft lip and palate children before and after reconstructive cleft lip and palate surgery. methods: all cleft lip and palate children aging from birth u...

PURPOSE Despite recent advances in the surgical and postoperative management of infants with congenital heart disease, nutritional support for this population is often suboptimal. The purpose of this study was to develop a nutritional program for the postoperative period for infants who have had cardiac surgery and to evaluate effects of the program. METHODS A quasi-experimental design with p...

OBJECTIVE Although breast milk is considered the best nutritional option for neonates, use of traditional supplements such as sugar water, camel thorn, and flix weed in the first week of life of infants is quite common in Iran and many other countries. The aim of this study was to evaluate whether consuming such supplements has any impact on infant's breastfeeding behavior. MATERIALS AND METH...

the current study was conducted to evaluate effects of sequential or wet feeding programs subsequent to and early meal feeding regime on performance, carcass characteristics and humoral immunity in broiler chicks. 192 ross 308 chicks (seven-day old) were allocated to four treatments at four replicates (12 chicks per plot) based on a completely randomized design. treatments were included: contro...

PURPOSE To determine the importance of technical settings at power Doppler ultrasonography (US) for the evaluation of stenoses. MATERIALS AND METHODS A computer-controlled phantom was used to induce a reproducible flow across a calibrated 71% stenosis in an 8.4-mm-diameter tube. Two transducers, 2-4 and 5-10 MHz, working at depths of 3.0 and 11.5 cm, respectively, with different beam angles (...

Infant mammalian feeding consists of rhythmic suck cycles and reflexive pharyngeal swallows. Although we know how oropharyngeal sensation influences the initiation and frequency of suck and swallow cycles, the role of palatal sensation is unknown. We implanted EMG electrodes into the mylohyoid muscle, a muscle active during suckling, and the thyrohyoid muscle, a muscle active during swallowing,...