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https://www.readbyqxmd.com/read/29029216/diversity-and-distribution-of-cryptic-species-of-the-bemisia-tabaci-hemiptera-aleyrodidae-complex-in-pakistan
#1
Mariyam Masood, Imran Amin, Ishtiaq Hassan, Shahid Mansoor, Judith K Brown, Rob W Briddon
Bemisia tabaci (Gennadius; Hempitera: Aleyrodidae) is considered to be a cryptic (sibling) species complex, the members of which exhibit morphological invariability while being genetically and behaviorally distinct. Members of the complex are agricultural pests that cause direct damage by feeding on plants, and indirectly by transmitting viruses that cause diseases leading to reduced crop yield and quality. In Pakistan, cotton leaf curl disease, caused by multiple begomovirus species, is the most economically important viral disease of cotton...
October 4, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29028359/complex-interaction-between-circadian-rhythm-and-diet-on-bile-acid-homeostasis-in-male-rats
#2
Hannah M Eggink, Johanneke E Oosterman, Paul de Goede, Emmely M de Vries, Ewout Foppen, Martijn Koehorst, Albert K Groen, Anita Boelen, Johannes A Romijn, Susanne E la Fleur, Maarten R Soeters, Andries Kalsbeek
Desynchronization between the master clock in the brain, which is entrained by (day) light, and peripheral organ clocks, which are mainly entrained by food intake, may have negative effects on energy metabolism. Bile acid metabolism follows a clear day/night rhythm. We investigated whether in rats on a normal chow diet the daily rhythm of plasma bile acids and hepatic expression of bile acid metabolic genes is controlled by the light/dark cycle or the feeding/fasting rhythm. In addition, we investigated the effects of high caloric diets and time-restricted feeding on daily rhythms of plasma bile acids and hepatic genes involved in bile acid synthesis...
October 13, 2017: Chronobiology International
https://www.readbyqxmd.com/read/29023467/dietary-lactoferrin-supplementation-to-gilts-during-gestation-and-lactation-improves-pig-production-and-immunity
#3
Marefa Jahan, Susie Kracht, Yen Ho, Ziaul Haque, Birendra N Bhattachatyya, Peter C Wynn, Bing Wang
Lactoferrin (LF), a sialylated iron-binding glycoprotein, performs multiple beneficial functions including modulating immunity and improves neurodevelopment, health and growth performance. Maternal LF intervention for gilts (first parity sows) on the performance of gilts and their offspring remains unknown. In the current study gilts were fed with a commercial pig feed supplemented with 1g LF /day (treatment group) or 1g milk casein/day (control group) from day 1 post mating throughout pregnancy and lactation for about 135 days...
2017: PloS One
https://www.readbyqxmd.com/read/28988759/predictors-of-obesity-and-overweight-in-preschoolers-the-role-of-parenting-styles-and-feeding-practices
#4
H Melis Yavuz, Bilge Selcuk
Childhood obesity/overweight (OB/OW) displayed a rapid increase and high prevalence in the last few decades in preschool-aged children, which raised health concerns across the world and motivated researchers to investigate the factors that underlie childhood obesity. The current study examined parenting styles and child-feeding practices as potential predictors for OB/OW in preschool children, controlling for child's temperament, which has been shown to be linked with OB/OW. The sample included 61 normal weight (NW) and 61 obese/overweight (OB/OW) Turkish pre-schoolers (M age = 62...
October 5, 2017: Appetite
https://www.readbyqxmd.com/read/28985338/rfamide-related-peptide-3-and-the-trade-off-between-reproductive-and-ingestive-behavior
#5
Jill E Schneider, Noah A Benton, Kim A Russo, Candice M Klingerman, Wilbur P Williams, Jessica Simberlund, Amir Abdulhay, Jeremy M Brozek, Lance J Kriegsfeld
Ingestive and sex behaviors are important for individual survival and reproductive success, but when environmental energy availability is limited, individuals of many different species make a trade-off, forfeiting sex for ingestive behavior. For example, food-deprived female Syrian hamsters (Mesocricetus auratus) forego vaginal scent marking and lordosis (sex behaviors) in favor of foraging, hoarding, and eating food (ingestive behavior). Reproductive processes tend to be energetically costly, and individual survival requires homeostasis in metabolic energy...
July 27, 2017: Integrative and Comparative Biology
https://www.readbyqxmd.com/read/28977341/caloric-restriction-study-design-limitations-in-rodent-and-nonhuman-primate-studies
#6
Kelli L Vaughan, Tamzin Kaiser, Robert Peaden, R Michael Anson, Rafael de Cabo, Julie A Mattison
For a century, we have known that caloric restriction influences aging in many species. However, only recently it was firmly established that the effect is not entirely dependent on the calories provided. Instead, rodent and nonhuman primate models have shown that the rate of aging depends on other variables, including the macronutrient composition of the diet, the amount of time spent in the restricted state, age of onset, the gender and genetic background, and the particular feeding protocol for the control group...
June 13, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28968486/protein-hydrolysate-versus-standard-formula-for-preterm-infants
#7
REVIEW
Derek Hang Cheong Ng, Joel Klassen, Nicholas D Embleton, William McGuire
BACKGROUND: When human milk is not available for feeding preterm infants, protein hydrolysate rather than standard cow's milk formulas (with intact proteins) are often used because they are perceived as being tolerated better and less likely to lead to complications. However, protein hydrolysate formulas are more expensive than standard formulas, and concern exists that their use in practice is not supported by high-quality evidence. OBJECTIVES: To assess the effect of feeding preterm infants with hydrolysed formula (versus standard cow's milk formulas) on the risk of feed intolerance, necrotising enterocolitis, and other morbidity and mortality in preterm infants...
October 2, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28968417/effects-of-meal-composition-and-meal-timing-on-the-expression-of-genes-involved-in-hepatic-drug-metabolism-in-rats
#8
E M de Vries, J E Oosterman, H M Eggink, P de Goede, S Sen, E Foppen, O Boudzovitch-Surovtseva, A Boelen, J A Romijn, S E laFleur, A Kalsbeek
INTRODUCTION: With chronotherapy, drug administration is synchronized with daily rhythms in drug clearance and pharmacokinetics. Daily rhythms in gene expression are centrally mastered by the suprachiasmatic nucleus of the hypothalamus as well as by tissue clocks containing similar molecular mechanisms in peripheral organs. The central timing system is sensitive to changes in the external environment such as those of the light-dark cycle, meal timing and meal composition. We investigated how changes in diet composition and meal timing would affect the daily hepatic expression rhythms of the nuclear receptors PXR and CAR and of enzymes involved in P450 mediated drug metabolism, as such changes could have consequences for the practice of chronotherapy...
2017: PloS One
https://www.readbyqxmd.com/read/28953525/nutrition-practices-and-predictors-of-postnatal-growth-in-preterm-infants-during-hospitalization-a-longitudinal-study
#9
Briar L McKenzie, Liza Edmonds, Ruth Thomson, Jillian J Haszard, Lisa A Houghton
Premature infants are at high risk of undernutrition and extrauterine growth restriction (EUGR). AIM: To evaluate the relation between nutrition practices and growth rate in preterm infants from birth to 36 weeks postmenstrual age (PMA). METHODS: Longitudinal data were collected retrospectively in 103 infants born <33-weeks gestation admitted to Dunedin NICU, New Zealand. Weight, length and head circumference at birth and 36-weeks PMA z-scores were calculated using the INTERGROWTH Preterm Growth Standard...
September 26, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28944022/analyzing-time-ordered-event-data-with-missed-observations
#10
Adriaan M Dokter, E Emiel van Loon, Wimke Fokkema, Thomas K Lameris, Bart A Nolet, Henk P van der Jeugd
A common problem with observational datasets is that not all events of interest may be detected. For example, observing animals in the wild can difficult when animals move, hide, or cannot be closely approached. We consider time series of events recorded in conditions where events are occasionally missed by observers or observational devices. These time series are not restricted to behavioral protocols, but can be any cyclic or recurring process where discrete outcomes are observed. Undetected events cause biased inferences on the process of interest, and statistical analyses are needed that can identify and correct the compromised detection processes...
September 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28938796/complex-interactions-of-circadian-rhythms-eating-behaviors-and-the-gastrointestinal-microbiota-and-their-potential-impact-on-health
#11
Jennifer L Kaczmarek, Sharon V Thompson, Hannah D Holscher
Human health is intricately intertwined with the composition and function of the trillions of microorganisms that make up the gastrointestinal (GI) microbiome. The GI microbiome is essentially a microbial organ that provides metabolic, immunologic, and protective functions for the host. Habitual diet, changes in macronutrient composition, and consumption of nondigestible dietary fibers have all been shown to impact the human GI microbiome. Intriguingly, the impact of diet on the microbiome may be related not only to what humans eat but also to the timing of food consumption...
September 1, 2017: Nutrition Reviews
https://www.readbyqxmd.com/read/28915819/bacteriophage-therapy-to-combat-bacterial-infections-in-poultry
#12
REVIEW
Andrzej Wernicki, Anna Nowaczek, Renata Urban-Chmiel
Infections in poultry are an economic and health problem in Europe and worldwide. The most common infections are associated with salmonellosis, colibacillosis, campylobacteriosis, and others. The prevalence of Campylobacter-positive poultry flocks in European countries varies from 18% to 90%. In the United States, the prevalence of infected flocks is nearly 90%. A similar percentage of infection has been noted for salmonellosis (about 75-90%) and E. coli (90-95%). The occurence of Clostridium perfringens is a major problem for the poultry industry, with some estimates suggesting colonization of as many as 95% of chickens, resulting in clinical or subclinical infections...
September 16, 2017: Virology Journal
https://www.readbyqxmd.com/read/28902123/bidirectional-regulation-of-circadian-disturbance-and-inflammation-in-inflammatory-bowel-disease
#13
Xiaojing Liu, Ran Yu, Liangru Zhu, Xiaohua Hou, Kaifang Zou
BACKGROUND: Tight crosstalk between the circadian and immune systems has been reported in several inflammatory diseases. We hypothesized that circadian timekeeping was perturbed in inflammatory bowel disease (IBD), and that the bidirectional regulation of circadian disturbance and inflammation may be involved in the pathogenesis of IBD. METHODS: Patients with ulcerative colitis (51) and Crohn's disease (39) and 42 healthy controls were recruited and their circadian gene expression levels evaluated...
October 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28900415/perinatal-western-diet-consumption-leads-to-profound-plasticity-and-gabaergic-phenotype-changes-within-hypothalamus-and-reward-pathway-from-birth-to-sexual-maturity-in-rat
#14
Julie Paradis, Pierre Boureau, Thomas Moyon, Sophie Nicklaus, Patricia Parnet, Vincent Paillé
Perinatal maternal consumption of energy dense food increases the risk of obesity in children. This is associated with an overconsumption of palatable food that is consumed for its hedonic property. The underlying mechanism that links perinatal maternal diet and offspring preference for fat is still poorly understood. In this study, we aim at studying the influence of maternal high-fat/high-sugar diet feeding [western diet (WD)] during gestation and lactation on the reward pathways controlling feeding in the rat offspring from birth to sexual maturity...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28893333/review-use-of-human-edible-animal-feeds-by-ruminant-livestock
#15
J M Wilkinson, M R F Lee
The drive to increase the output of animal product in some sectors of ruminant livestock production has led to greater use of feeds such as cereal grains and soyabean meal that are potentially human-edible. This trend has caused concern since, by so doing, ruminants compete not only with monogastric livestock but also with the human population for a limited global area of cultivatable land on which to produce grain crops. Reasons for using potentially human-edible feeds in ruminant diets include increased total daily energy intake, greater supply of essential amino acids and improved ruminal balance between fermentable energy and degradable protein...
September 12, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28888595/short-communication-the-diurnal-intake-and-behavior-of-dairy-cows-when-access-to-a-feed-of-consistent-nutritive-value-is-restricted
#16
A J John, S C Garcia, K L Kerrisk, M J Freeman, M R Islam, C E F Clark
The diurnal variation in pasture nutritive value adds a confounding factor to studies elucidating the effect of time of day on behavior. Our work separates the effect of time of day on both feeding and lying patterns for cows outdoors to enable the alignment of feeding behavior with feed management. We determined the diurnal intake patterns and behavior of dairy cows when the nutritive value of feed remained constant throughout 24 h in an outdoor environment, and when feed access was restricted. Nine nonlactating Holstein-Friesian cows (live weight 626 ± 53 kg, age 96 ± 33 mo; mean ± SD) were split into 3 groups of 3 and offered lucerne hay cubes (cube volume 32 mm(3)) ad libitum according to 3 treatments: full access (FA, feed access 24 h), day access (DA, feed access between 0600 and 1800 h), and night access (NA, feed access between 1800 and 0600 h)...
November 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28886965/circadian-and-economic-factors-affect-food-acquisition-in-rats-restricted-to-discrete-feeding-opportunities
#17
Dulce M Minaya, Kimberly L Robertson, Neil E Rowland
The purpose of this study is to examine aspects of operant behavior-modeled economic choice for food in rats in closed economy protocols in which food is available for only a few discrete times per daily 23-h session, designed to emulate clustering of human food intake into meals. In the first experiment, rats performed lever press responses for food pellets in an ascending series of ratios or fixed unit prices (FUP) when food was available for four 40-min food opportunities (FO) per day. Daily intake at low FUP was comparable to ad libitum intakes...
November 1, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28882212/diet-composition-and-trophic-ecology-of-northeast-pacific-ocean-sharks
#18
Joseph J Bizzarro, Aaron B Carlisle, Wade D Smith, Enric Cortés
Although there is a general perception of sharks as large pelagic, apex predators, most sharks are smaller, meso- and upper-trophic level predators that are associated with the seafloor. Among 73 shark species documented in the eastern North Pacific (ENP), less than half reach maximum lengths >200cm, and 78% occur in demersal or benthic regions of the continental shelf or slope. Most small (≤200cm) species (e.g., houndsharks) and demersal, nearshore juveniles of larger species (e.g., requiem sharks) consume small teleosts and decapod crustaceans, whereas large species in pelagic coastal and oceanic environments feed on large teleosts and squids...
2017: Advances in Marine Biology
https://www.readbyqxmd.com/read/28866139/impact-of-caloric-intake-in-critically-ill-patients-with-and-without-refeeding-syndrome-a-retrospective-study
#19
Laura E Olthof, W A C Kristine Koekkoek, Coralien van Setten, Johannes C N Kars, Dick van Blokland, Arthur R H van Zanten
BACKGROUND & AIMS: Refeeding syndrome comprises metabolic disturbances that occur after the reintroduction of feeding after prolonged fasting. Standard care consists of correcting fluid and electrolytes imbalances. Energy intake during refeeding syndrome is heavily debated. This study addresses the effect of caloric intake on outcome during the management of refeeding syndrome. METHODS: A retrospective study among critically ill invasive mechanically ventilated patients admitted for >7 days to a medical-surgical ICU...
August 10, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28858407/neural-correlates-of-food-anticipatory-activity-in-mice-subjected-to-once-or-twice-daily-feeding-periods
#20
Ashutosh Rastogi, Eric M Mintz
In rodents, restricted food access to a limited period each day at a predictable time results in the appearance of food anticipatory activity (FAA). Two shorter periods of food access each day can result in two FAA bouts. In this study, we examine FAA under 12:12 and 18:6 photoperiods in mice (Mus musculus) with one or two food access periods per day and measure the activation of the suprachiasmatic, dorsomedial and arcuate nuclei by assaying Fos protein expression, while making use of tissue-type plasminogen activator knockout mice to assess the role of neural plasticity in adaptation to restricted feeding cycles...
October 2017: European Journal of Neuroscience
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