搜索结果: 1-15 共查到“生物学 effects”相关记录525条 . 查询时间(0.265 秒)
Breakthrough research examines the effects introduced animals had on Madagascar’s extinct megafauna
extinct animals introduced animals biodiversity ecological system carbon isotope nitrogen isotope
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2021/8/5
Madagascar is renowned for its unique and varied biodiversity, which spans dry grasslands, wet rain forests, mangroves and deserts. This variety, combined with the island's isolation and size, has fos...
Effects of chilled storage and pH of activating solution on different motility parameters in burbot (Lota lota) sperm
short-term storage activation Lota lota sperm analysis CASA parameters
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2018/11/23
The effects of a simple saline solution prepared using two different pH (4.4 and 8.5) on sperm motility in burbot were investigated. Results were recorded during a 96-hour chilled storage (4°C) in 24-...
Effects of different durations of fasting/re-feeding bouts on growth, biochemical and histological changes in the digestive tract of Ganus golden trout (Oncorhynchus mykiss)
biochemistry food deprivation phenotypic changes histology productive traits
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2018/11/23
This study was conducted to explore the outcomes of starvation/re-feeding techniques on growth performance, liver antioxidant activities, and histological changes of the gastrointestinal organs of Gan...
Incorporation of two levels of black soldier fly (Hermetia illucens L.) larvae fat or extruded linseed in diets of growing rabbits: effects on growth performance and diet digestibility
black soldier fly rabbit insect fat diet digestibility fat
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2018/11/23
The use of black soldier fly (BSF) (Hermetia illucens L.) larvae fat as a lipid supplement in growing rabbit’s diet was evaluated at two levels of supplementation in comparison to two levels of extrud...
Effects of selenium on selenoprotein synthesis and antioxidant parameters of bovine mammary epithelial cells
trace element dairy cows glutathione peroxidase thioredoxin reductase antioxidant function
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2018/11/23
This study aimed to investigate the effects of selenium (Se) on the selenoproteins synthesis and antioxidant parameters of bovine mammary epithelial cells (BMECs). The experiment was conducted as a si...
Effects of zinc sources and levels on zinc bioavailability, blood parameters, and nutrient balance of male mink (Neovison vison)
zinc pectin oligosaccharides chelate nutrient digestibility relative bioavailability
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2018/11/23
The objective of this study was to investigate the effects of different sources and levels of zinc (Zn) on nutrient digestibility, plasma metabolites, and relative Zn bioavailability in male mink. Ani...
Gender and Age Effects on the Expression of Genes Related to Lipid Metabolism in Broiler’s Liver
apolipoprotein lipogenesis lipolysis
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2018/3/5
Two experiments were conducted to assess gender (Experiment 1) and age (Experiment 2) effects on the
expression of genes related to lipid metabolism in broiler chickens. The expression of fatty acid ...
Effects of potassium supplements on glucose metabolism in African Americans with prediabetes: a pilot trial
potassium chloride potassium risk factor glucose metabolism prediabetes African Americans
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2018/11/21
Background: Low potassium has been identified both as a risk factor for type 2 diabetes and as a mediator of the racial disparity in diabetes risk. Low potassium could be a potentially modifiable risk...
The effects of dietary protein intake on appendicular lean mass and muscle function in elderly men: a 10-wk randomized controlled trial
nutrient requirements dietary protein skeletal muscle older adults whole foods
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2018/11/21
Background: The Recommended Daily Allowance (RDA) for protein intake in the adult population is widely promoted as 0.8 g · kg−1 · d−1. Aging may increase protein requirements, particularly...
No metabolic effects of mustard allyl-isothiocyanate compared with placebo in men
mustard allyl-isothiocyanate energy expenditure thermogenesis thermogenic food
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2018/11/20
Background: Induction of nonshivering thermogenesis can be used to influence energy balance to prevent or even treat obesity. The pungent component of mustard, allyl-isothiocyanate (AITC), activates t...
Effects of Heat Stress on Somatostatin and Some Related Immune Factors in the Small Intestine of Wenchang Chicks
hyperthermia somatostatin intestinal mucosa cytokines lysozyme activity
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2018/3/5
To investigate the effects of heat stress (HS) on developmental changes in immune functions of chick intestinal
mucosa, one-day-old broiler chicks were randomly assigned into control check (CK) and h...
Climate’s Effects on Flowers Critical for Bumble Bees（图）
Climate Flowers Critical Bumble Bees
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2017/10/25
Climate change can influence consumer populations both directly, by affecting survival and reproduction, and indirectly, by altering resources. However, little is known about the relative importance o...
Periodic Table of Ecological Niches Could Aid in Predicting Effects of Climate Change（图）
periodic table ecological niches aid climate change
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2017/9/19
A group of ecologists has started creating a periodic table of ecological niches similar to chemistry’s periodic table. And just as chemists have used their periodic table as a point of reference to u...
Effects of dietary sodium on metabolites: the Dietary Approaches to Stop Hypertension (DASH)–Sodium Feeding Study
metabolomics epidemiology sodium intake trial high and low sodium intake feeding trial African American
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2018/11/20
Background: High sodium intake is known to increase blood pressure and is difficult to measure in epidemiologic studies.
Effects of protein supplementation combined with resistance exercise on body composition and physical function in older adults: a systematic review and meta-analysis
elderly people obesity protein supplementation resistance exercise body composition
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2018/11/16
Background: Overweight and obese older people face a high risk of muscle loss and impaired physical function, which may contribute to sarcopenic obesity. Resistance exercise training (RET) has a benef...