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https://www.readbyqxmd.com/read/28100816/diets-derived-from-maize-monoculture-cause-maternal-infanticides-in-the-endangered-european-hamster-due-to-a-vitamin-b3-deficiency
#1
Mathilde L Tissier, Yves Handrich, Odeline Dallongeville, Jean-Patrice Robin, Caroline Habold
From 1735 to 1940, maize-based diets led to the death of hundreds of thousands of people from pellagra, a complex disease caused by tryptophan and vitamin B3 deficiencies. The current cereal monoculture trend restricts farmland animals to similarly monotonous diets. However, few studies have distinguished the effects of crop nutritional properties on the reproduction of these species from those of other detrimental factors such as pesticide toxicity or agricultural ploughing. This study shows that maize-based diets cause high rates of maternal infanticides in the European hamster, a farmland species on the verge of extinction in Western Europe...
January 25, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28097684/feeding-asian-pangolins-an-assessment-of-current-diets-fed-in-institutions-worldwide
#2
Francis Cabana, Amy Plowman, Thai Van Nguyen, Shih-Chien Chin, Sung-Lin Wu, Hsuan-Yi Lo, Hirofumi Watabe, Fujio Yamamoto
Pangolins are ant specialists which are under intense threat from the illegal wildlife trade. Nutrition has notoriously been their downfall in captivity and is still an issue in regards to rescue and rehabilitation. We analyzed the nutrient content of diets used by institutions that are successfully keeping Asian pangolins and to assess the variety of the ingredients and nutrients, compared these with the nutritional requirements of potential nutritional model species. We performed intake studies at five institutions and also had data from three other institutions...
January 18, 2017: Zoo Biology
https://www.readbyqxmd.com/read/28096126/the-age-related-eye-disease-2-study-micronutrients-in-the-treatment-of-macular-degeneration
#3
REVIEW
Aruna Gorusupudi, Kelly Nelson, Paul S Bernstein
Age-related macular degeneration (AMD) is one of the leading causes of vision loss in the elderly. With an increasingly aged population worldwide, the need for the prevention of AMD is rising. Multiple studies investigating AMD with the use of animal models and cell culture have identified oxidative stress-related retinal damage as an important contributing factor. In general, diet is an excellent source of the antioxidants, vitamins, and minerals necessary for healthy living; moreover, the general public is often receptive to recommendations made by physicians and health care workers regarding diet and supplements as a means of empowering themselves to avoid common and worrisome ailments such as AMD, which has made epidemiologists and clinicians enthusiastic about dietary intervention studies...
January 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28095599/minerals-in-the-foods-and-diet-of-diademed-sifakas-are-they-nutritional-challenges
#4
Mitchell T Irwin, Jean-Luc Raharison, Colin A Chapman, Randall E Junge, Jessica M Rothman
: Minerals, though needed in small quantities, are essential to metabolic processes, and deficiencies can seriously threaten health, reproduction and survival. Despite this, few studies have measured mineral composition of wild primate foods and fewer have quantified mineral intake. Here we measured the concentration of nine minerals in 75 foods of diademed sifakas (Propithecus diadema; five groups) in habitats with varying levels of disturbance at Tsinjoarivo and estimated daily intakes using focal-animal feeding data and intake rates over one year...
January 17, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/28095328/an-integrated-proteomic-and-transcriptomic-analysis-of-perivitelline-fluid-proteins-in-a-freshwater-gastropod-laying-aerial-eggs
#5
Huawei Mu, Jin Sun, Horacio Heras, Ka Hou Chu, Jian-Wen Qiu
: Proteins of the egg perivitelline fluid (PVF) that surrounds the embryo are critical for embryonic development in many animals, but little is known about their identities. Using an integrated proteomic and transcriptomic approach, we identified 64 proteins from the PVF of Pomacea maculata - a freshwater snail adopting aerial oviposition. Proteins were classified into eight functional groups: major multifunctional perivitellin subunits, immune response, energy metabolism, protein degradation, oxidation-reduction, signaling and binding, transcription and translation, and others...
January 14, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28094324/early-life-adversity-accelerates-cellular-ageing-and-affects-adult-inflammation-experimental-evidence-from-the-european-starling
#6
Daniel Nettle, Clare Andrews, Sophie Reichert, Tom Bedford, Claire Kolenda, Craig Parker, Carmen Martin-Ruiz, Pat Monaghan, Melissa Bateson
Early-life adversity is associated with accelerated cellular ageing during development and increased inflammation during adulthood. However, human studies can only establish correlation, not causation, and existing experimental animal approaches alter multiple components of early-life adversity simultaneously. We developed a novel hand-rearing paradigm in European starling nestlings (Sturnus vulgaris), in which we separately manipulated nutritional shortfall and begging effort for a period of 10 days. The experimental treatments accelerated erythrocyte telomere attrition and increased DNA damage measured in the juvenile period...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28093083/genetic-analysis-of-teat-number-in-pigs-reveals-some-developmental-pathways-independent-of-vertebra-number-and-several-loci-which-only-affect-a-specific-side
#7
Gary A Rohrer, Dan J Nonneman
BACKGROUND: Number of functional teats is an important trait in commercial swine production. As litter size increases, the number of teats must also increase to supply nutrition to all piglets. Therefore, a genome-wide association analysis was conducted to identify genomic regions that affect this trait in a commercial swine population. Genotypic data from the Illumina Porcine SNP60v1 BeadChip were available for 2951 animals with total teat number (TTN) records. A subset of these animals (n = 1828) had number of teats on each side recorded...
January 4, 2017: Genetics, Selection, Evolution: GSE
https://www.readbyqxmd.com/read/28092597/role-of-probiotics-in-nutrition-and-health-of-small-ruminants
#8
M M Abd El-Tawab, I M I Youssef, H A Bakr, G C Fthenakis, N D Giadinis
Small ruminants represent an important economic source in small farm systems and agriculture. Feed is the main component of livestock farming, which has gained special attention to improve animal performance. Many studies have been done to improve feed utilisation through addition of feed additives. For a long period, antibiotics have been widely used as growth promoters in livestock diets. Due to their ban in many countries, search for alternative feed additives has been intensified. Probiotics are one of these alternatives recognised to be safe to the animals...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28088923/an-assessment-of-the-influence-of-macronutrients-on-growth-performance-and-nutrient-utilisation-in-broiler-chickens-by-nutritional-geometry
#9
Sonia Y Liu, Peter H Selle, David Raubenheimer, David J Cadogan, Stephen J Simpson, Aaron J Cowieson
The right-angled triangle mixture experiment was designed to include fourteen diets with different concentrations of starch, protein and lipid. Experimental diets were offered to male Ross 308 broiler chickens from 10 to 23 d after hatching, and response curves and surfaces were generated to illustrate the influence of macronutrients on growth performance and nutrient utilisations. Despite the primary function of macronutrients, especially protein, may not be providing energy, macronutrients were expressed as energy derived from starch, protein and fat for statistical purposes in the mixture design...
December 2016: British Journal of Nutrition
https://www.readbyqxmd.com/read/28086906/physical-activity-and-nutrition-behaviour-outcomes-of-a-cluster-randomized-controlled-trial-for-adults-with-metabolic-syndrome-in-vietnam
#10
Van Dinh Tran, Andy H Lee, Jonine Jancey, Anthony P James, Peter Howat, Le Thi Phuong Mai
BACKGROUND: Metabolic syndrome is prevalent among Vietnamese adults, especially those aged 50-65 years. This study evaluated the effectiveness of a 6 month community-based lifestyle intervention to increase physical activity levels and improve dietary behaviours for adults with metabolic syndrome in Vietnam. METHODS: Ten communes, involving participants aged 50-65 years with metabolic syndrome, were recruited from Hanam province in northern Vietnam. The communes were randomly allocated to either the intervention (five communes, n = 214) or the control group (five communes, n = 203)...
January 13, 2017: Trials
https://www.readbyqxmd.com/read/28076775/nutritional-programming-of-lifespan-by-foxo-inhibition-on-sugar-rich-diets
#11
Adam J Dobson, Marina Ezcurra, Charlotte E Flanagan, Adam C Summerfield, Matthew D W Piper, David Gems, Nazif Alic
Consumption of unhealthy diets is exacerbating the burden of age-related ill health in aging populations. Such diets can program mammalian physiology to cause long-term, detrimental effects. Here, we show that, in Drosophila melanogaster, an unhealthy, high-sugar diet in early adulthood programs lifespan to curtail later-life survival despite subsequent dietary improvement. Excess dietary sugar promotes insulin-like signaling, inhibits dFOXO-the Drosophila homolog of forkhead box O (FOXO) transcription factors-and represses expression of dFOXO target genes encoding epigenetic regulators...
January 10, 2017: Cell Reports
https://www.readbyqxmd.com/read/28074889/limitations-and-requirements-for-measuring-metabolic-rates-a-mini-review
#12
REVIEW
J R B Lighton
Metabolic measurement of humans and model animals is an important aspect of biomedicine. Particularly, in the case of model animals, the limitations of currently widely used metabolic measurement methods are not widely understood. In this mini-review, I explain the theoretical underpinnings of flow-through respirometry as a linear time-invariant system, and the (usually serious) distortions of metabolic data caused by the interaction of chamber volume and flow rate. These can be ameliorated by increasing the flow rate through the chamber, though this is at the expense of the magnitude of the O2 depletion and CO2 enhancement signals from which metabolic rates are calculated...
January 11, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28071795/consumers-expectations-and-acceptability-for-low-saturated-fat-salami-healthiness-or-taste
#13
Rosaria Marino, Antonella Della Malva, Antonio Seccia, Mariangela Caroprese, Agostino Sevi, Marzia Albenzio
BACKGROUND: Nutritional properties of meat and meat products are becoming very important in purchasing behavior because consumers are even more concerned about healthiness. The present study aimed to examine the influence of health information on the expected and informed acceptability of salami. Traditional salami and two low saturated fat salami produced with a partial or total substitution of pork backfat with extra-virgin oil were evaluated. RESULTS: Perceived acceptability was the lowest in salami with total animal fat substitution...
January 10, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28070301/blood-serum-retinol-levels-in-asinara-white-donkeys-reflect-albinism-induced-metabolic-adaptation-to-photoperiod-at-mediterranean-latitudes
#14
Maria Grazia Cappai, Maria Grazia Antonietta Lunesu, Francesca Accioni, Massimo Liscia, Mauro Pusceddu, Lucia Burrai, Maria Nieddu, Corrado Dimauro, Gianpiero Boatto, Walter Pinna
Previous works on albinism form of Asinara white donkeys (Equus asinus) identified the mutation leading to the peculiar phenotype spread to all specimens of the breed. Inbreeding naturally occurred under geographic isolation, on Asinara Island, in the Mediterranean Sea. Albino individuals can be more susceptible to develop health problems when exposed to natural sun radiation. Alternative metabolic pathways involved in photoprotection were explored in this trial. Nutrition-related metabolites are believed to contribute to the conservation of Asinara donkeys, in which melanin, guaranteeing photoprotection, is lacking...
January 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28067808/effects-of-beetroot-juice-supplementation-on-cardiorespiratory-endurance-in-athletes-a-systematic-review
#15
REVIEW
Raúl Domínguez, Eduardo Cuenca, José Luis Maté-Muñoz, Pablo García-Fernández, Noemí Serra-Paya, María Carmen Lozano Estevan, Pablo Veiga Herreros, Manuel Vicente Garnacho-Castaño
Athletes use nutritional supplementation to enhance the effects of training and achieve improvements in their athletic performance. Beetroot juice increases levels of nitric oxide (NO), which serves multiple functions related to increased blood flow, gas exchange, mitochondrial biogenesis and efficiency, and strengthening of muscle contraction. These biomarker improvements indicate that supplementation with beetroot juice could have ergogenic effects on cardiorespiratory endurance that would benefit athletic performance...
January 6, 2017: Nutrients
https://www.readbyqxmd.com/read/28067624/modelling-bronchopulmonary-dysplasia-in-mice-how-much-oxygen-is-enough
#16
Claudio Nardiello, Ivana Mižíková, Diogo M Silva, Jordi Ruiz-Camp, Konstantin Mayer, István Vadász, Susanne Herold, Werner Seeger, Rory E Morty
Progress in developing new therapies for bronchopulmonary dysplasia (BPD) is sometimes complicated by the lack of a standardised animal model. Our objective was to develop a robust hyperoxia‑based mouse model of BPD that recapitulated the pathological perturbations to lung structure noted in infants with BPD. Newborn mouse pups were exposed to a varying fraction of oxygen in the inspired air (FiO2) and a varying window of hyperoxia exposure, after which lung structure was assessed by design‑based stereology with systemic uniform random sampling...
December 14, 2016: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/28066943/potential-value-of-the-common-vetch-vicia-sativa-l-as-an-animal-feedstuff-a-review
#17
REVIEW
Y F Huang, X L Gao, Z B Nan, Z X Zhang
The objective of this review was to systematically evaluate common vetch seeds as a potential feedstuff for animals, by summarizing and discussing the available published literature covering their nutritional composition as well as their content of antinutritional factors and potential techniques for their reduction. In addition, animal feeding studies that have investigated the effect of inclusion of common vetch seeds on animal growth and performance were identified and evaluated to stimulate interest in their use as a good source of nutrients for inclusion in animal diets...
January 8, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28063855/low-dietary-soy-isoflavonoids-increase-hippocampal-spine-synapse-density-in-ovariectomized-rats
#18
Neil J MacLusky, Gladis Thomas, Csaba Leranth
High dietary intake of plant estrogens (phytoestrogens) can affect brain structure and function. The effects of phytoestrogen intake within the range of normal animal and human dietary consumption, however, remain uncertain. The aim of the present study was to determine the effects of the isoflavonoids present in a standard low phytoestrogen laboratory rat chow on spine synapse density in the stratum radiatum of area CA1 of the hippocampus. Weanling rats (22 days old) were fed either standard chow (Teklad 2018), a nutritionally comparable diet without soy (Teklad 2016) or a custom diet containing Teklad 2016 supplemented with the principal soy isoflavonoids, daidzein and genistein, for 40 days...
January 4, 2017: Brain Research
https://www.readbyqxmd.com/read/28062579/lactobacillus-plantarum-favors-the-early-emergence-of-fit-and-fertile-adult-drosophila-upon-chronic-undernutrition
#19
Mélisandre A Téfit, François Leulier
Animals are naturally surrounded by a variety of microorganisms with which they constantly interact. Among these microbes, some live closely associated with a host and form its microbiota. These communities are now extensively studied, owing to their contributions to shaping various aspects of animal physiology. One of these commensal species, Lactobacillus plantarum, and in particular the L.p.(WJL) strain, has been shown to promote the growth of Drosophila larvae upon nutrient scarcity, allowing earlier metamorphosis and adult emergence compared to axenic individuals...
January 6, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28061743/shotgun-proteomics-of-the-barley-seed-proteome
#20
Ramamurthy Mahalingam
BACKGROUND: Barley seed proteins are of prime importance to the brewing industry, human and animal nutrition and in plant breeding for cultivar identification. To obtain comprehensive proteomic data from seeds, total protein from a two-rowed (Conrad) and a six-rowed (Lacey) barley cultivar were precipitated in acetone, digested in-solution, and the resulting peptides were analyzed by nano-liquid chromatography coupled with tandem mass spectrometry. RESULTS: The raw mass spectra data searched against Uniprot's Barley database using in-house Mascot search engine identified 1168 unique proteins...
January 6, 2017: BMC Genomics
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