Qiufeng Zeng
YOU?
Author Swipe
View article: The effect of fermented sea buckthorn products on production performance, egg quality, intestinal health, and antioxidant capacity of laying hens
The effect of fermented sea buckthorn products on production performance, egg quality, intestinal health, and antioxidant capacity of laying hens Open
View article: Effects of dietary valine/isoleucine ratio and slaughter weight on the composition of pork flavor precursors
Effects of dietary valine/isoleucine ratio and slaughter weight on the composition of pork flavor precursors Open
This study aimed to investigate the effects of dietary valine/isoleucine (V/I) ratio and slaughter weight on the profile of pork flavor precursors. Metabolomics and volatilomic profiling were performed on meat harvested from a 2 × 2 factor…
View article: The Addition of Marigold Extract to the Diet Improved the Performance of Laying Hens in the Late Laying Period by Increasing Their Antioxidant Capacity, Lipid Metabolism, and Microbial Composition
The Addition of Marigold Extract to the Diet Improved the Performance of Laying Hens in the Late Laying Period by Increasing Their Antioxidant Capacity, Lipid Metabolism, and Microbial Composition Open
The decrease in the production performance of laying hens during the later laying stage can be attributed to multiple factors, chief among them being oxidative stress and disrupted lipid metabolism. Quercetagetin, the active component of m…
View article: Relative bioavailability of 25-hydroxyvitamin D3 compared to vitamin D3 for laying performance and egg quality in laying hens from 41 to 48 weeks of age
Relative bioavailability of 25-hydroxyvitamin D3 compared to vitamin D3 for laying performance and egg quality in laying hens from 41 to 48 weeks of age Open
View article: Evaluation of Alterations in Nutrient Utilization and Intestinal Health in Response to Heat Stress in Pekin Ducks Based on a Pair-Feeding Experimental Design
Evaluation of Alterations in Nutrient Utilization and Intestinal Health in Response to Heat Stress in Pekin Ducks Based on a Pair-Feeding Experimental Design Open
The objective of this study was to investigate alterations in nutrient utilization, standardized ileal digestibility of amino acids (SIDAA), and intestinal health in response to heat stress (HS) in Pekin ducks. A total of 240 healthy 28-da…
View article: Effects of dietary low protein levels and amino acid patterns on production performance, egg quality and intestinal function in laying hens
Effects of dietary low protein levels and amino acid patterns on production performance, egg quality and intestinal function in laying hens Open
This study aimed to investigate the effects of different low-protein (LP) levels and amino acids (AAs) patterns on production performance, egg quality and intestinal function of laying hens. A total of 384 (33-week-old) Hy-Line hens were r…
View article: Comparative analysis of intestinal and reproductive function in older laying hens with three egg laying levels
Comparative analysis of intestinal and reproductive function in older laying hens with three egg laying levels Open
Introduction In production, older laying hens exhibit different levels of egg production, though these hens with the same genetic background, age, and feeding conditions. It is speculated that this may be due to varying intestinal function…
View article: Benzoic Acid, Enterococcus faecium, and Essential Oil Complexes Improve Ovarian and Intestinal Health via Modulating Gut Microbiota in Laying Hens Challenged with Clostridium perfringens and Coccidia
Benzoic Acid, Enterococcus faecium, and Essential Oil Complexes Improve Ovarian and Intestinal Health via Modulating Gut Microbiota in Laying Hens Challenged with Clostridium perfringens and Coccidia Open
Intestinal disease is becoming increasingly prevalent in poultry production; however, the effect of BEC in laying hens challenged with C. perfringens and coccidia is limited. This study aimed to investigate the effects of dietary supplemen…
View article: Effects of Dietary Schizochytrium Algae as ω-3 PUFA Source on the Egg-Laying Quail Performance, Serum Indexes, and Egg Yolk Fatty Acids Contents
Effects of Dietary Schizochytrium Algae as ω-3 PUFA Source on the Egg-Laying Quail Performance, Serum Indexes, and Egg Yolk Fatty Acids Contents Open
The objective of this experiment is to investigate the effects of SAP or SAO as ω-3 PUFA raw materials on production performance, egg quality, serum immunity, serum lipids, and fatty acid deposition patterns in the eggs of laying quails. C…
View article: Effect of Dietary Iron Level on Hepatic Lipid Metabolism in Broilers
Effect of Dietary Iron Level on Hepatic Lipid Metabolism in Broilers Open
This study investigated the effects of dietary iron (Fe) levels on the lipid metabolism in the liver of broilers. A total of 640 1-day-old AA broilers were fed with the basal diet added with 0, 60, 300, or 600 mg Fe/kg (Fe0, Fe60, Fe300, o…
View article: Effects of xylo-oligosaccharide supplementation on the production performance, intestinal morphology, cecal short-chain fatty acid levels, and gut microbiota of laying hens
Effects of xylo-oligosaccharide supplementation on the production performance, intestinal morphology, cecal short-chain fatty acid levels, and gut microbiota of laying hens Open
This study investigated the effects of xylo-oligosaccharide supplementation on the production performance, intestinal morphology, cecal short-chain fatty acid levels, and gut microbiota of laying hens. A total of 800 Lohmann pink layers, e…
View article: Effects of Long-Term Coated Sodium Butyrate Supplementation on the Intestinal Health and Colonization of Cecal Salmonella of Laying Hens Infected with Salmonella enteritidis
Effects of Long-Term Coated Sodium Butyrate Supplementation on the Intestinal Health and Colonization of Cecal Salmonella of Laying Hens Infected with Salmonella enteritidis Open
Salmonella enterica ser. Enteritidis (S. Enteritidis) is widely found in chickens and eggs, and it can potentially induce human illness. The investigation in this study centers on the impacts of long-term dietary supplementation with coate…
View article: Pu-erh tea theabrownin improves the ovarian function and gut microbiota in laying hens
Pu-erh tea theabrownin improves the ovarian function and gut microbiota in laying hens Open
Studies have reported that theabrownin can moderate the lipid metabolism and intestinal microbiota, thereby affecting the health of humans and model animals, however the research on laying hens is scarce. The present study aimed to investi…
View article: Extract of Scutellaria baicalensis and Lonicerae flos improves growth performance, antioxidant capacity, and intestinal barrier of yellow-feather broiler chickens against Clostridium perfringens
Extract of Scutellaria baicalensis and Lonicerae flos improves growth performance, antioxidant capacity, and intestinal barrier of yellow-feather broiler chickens against Clostridium perfringens Open
In this study, we aimed to investigate the effect of Scutellaria baicalensis and Lonicerae Flos (SL) extract on the growth performance and intestinal health of yellow-feather broilers following a Clostridium perfringens challenge. In total…
View article: Effects of Complex Antioxidants Added to Chicken Diet on Growth Performance, Serum Biochemical Indices, Meat Quality, and Antioxidant Capacity
Effects of Complex Antioxidants Added to Chicken Diet on Growth Performance, Serum Biochemical Indices, Meat Quality, and Antioxidant Capacity Open
This study aimed to evaluate the effects of diets supplemented with various levels of complex antioxidants (CA) containing tertiary butylhydroquinone (TBHQ) and tea polyphenols (TP) on growth performance, meat quality of breast and leg mus…
View article: Hormone Levels, Follicle Development, and Thyroid Function Differences Induced the Different Egg Production Performance in Hens Taking Various Rapeseed Varieties Diet
Hormone Levels, Follicle Development, and Thyroid Function Differences Induced the Different Egg Production Performance in Hens Taking Various Rapeseed Varieties Diet Open
View article: Effects of betaine on growth performance and intestinal health of rabbits fed different digestible energy diets
Effects of betaine on growth performance and intestinal health of rabbits fed different digestible energy diets Open
An experiment was conducted to determine the effects of betaine on growth performance and intestinal health in rabbits fed diets with different levels of digestible energy. During a 36-d experiment, a total of 144 healthy 35-d-old weaned N…
View article: Metabolomics analysis to interpret changes in physiological and metabolic responses to chronic heat stress in Pekin ducks
Metabolomics analysis to interpret changes in physiological and metabolic responses to chronic heat stress in Pekin ducks Open
Heat stress (HS) is a major environmental threat that affects duck production in subtropical and tropical regions, especially in summer. This study aimed to evaluate the physiological and metabolic responses of Pekin ducks to chronic HS co…
View article: Effects of Dietary Level of Corn Bran on Laying Performance and Cecum Microbial Communities in Laying Ducks
Effects of Dietary Level of Corn Bran on Laying Performance and Cecum Microbial Communities in Laying Ducks Open
The application of corn bran (CB) to laying ducks via iso-energy and iso-nitrogen diets is rarely reported. Six hundred laying ducks (49 weeks) were equally assigned to five treatments: the control group with 0% CB and the other four group…
View article: Effects of different dietary vitamin D combinations during the grower phase and the feed restriction phase on growth performance and sternal morphology, mineralization, and related genes expression of bone metabolism in Pekin ducks
Effects of different dietary vitamin D combinations during the grower phase and the feed restriction phase on growth performance and sternal morphology, mineralization, and related genes expression of bone metabolism in Pekin ducks Open
Our study aimed to investigate the effects of different dietary vitamin D (VD) combinations during the grower (1-32 d of age) and feed restriction (33-52 d of age) phases on growth performance. We also evaluated sternal morphology, mineral…
View article: Research Note: Effects of feeding corn naturally contaminated with aflatoxin B1, deoxynivalenol, and zearalenone on reproductive performance of broiler breeders and growth performance of their progeny chicks
Research Note: Effects of feeding corn naturally contaminated with aflatoxin B1, deoxynivalenol, and zearalenone on reproductive performance of broiler breeders and growth performance of their progeny chicks Open
To evaluate the toxic effects of mycotoxin-contaminated corn (MC) on the breeders and their progeny chicks, a total of 480 fifty-wk-old Cobb broiler breeder hens were fed the following dies: 1) a corn-soybean meal diet (Control; containing…
View article: The improving effect of soybean isoflavones on ovarian function in older laying hens
The improving effect of soybean isoflavones on ovarian function in older laying hens Open
View article: Effects of Thymol and Carvacrol Eutectic on Growth Performance, Serum Biochemical Parameters, and Intestinal Health in Broiler Chickens
Effects of Thymol and Carvacrol Eutectic on Growth Performance, Serum Biochemical Parameters, and Intestinal Health in Broiler Chickens Open
This study aimed to evaluate the effect of diets supplementing with various levels of thymol and carvacrol eutectic (TCE) on growth performance, serum biochemical parameters, intestinal morphology, and the expression of intestinal nutrient…
View article: Effects of Supplementation of 25-Hydroxyvitamin D3 as a Vitamin D3 Substitute on Performance, Bone Traits, and Egg Quality of Laying Hens from 1 Day to 72 Weeks of Age
Effects of Supplementation of 25-Hydroxyvitamin D3 as a Vitamin D3 Substitute on Performance, Bone Traits, and Egg Quality of Laying Hens from 1 Day to 72 Weeks of Age Open
This experiment was conducted to explore the effect of long-term supplementation of 25-hydroxyvitamin D3 (25-OHD) as a vitamin D3 (VD3) substitute on performance, bone traits, and egg quality of laying hens from 1 day to 72 weeks of age. I…
View article: Effects of dietary theabrownins on production performance, egg quality, and ovarian function of laying hens with different ages
Effects of dietary theabrownins on production performance, egg quality, and ovarian function of laying hens with different ages Open
View article: Effects of supplemented mode of emulsifier on growth performance, serum biochemical index, quality of meat and skin fat, and nutrient utilization in Pekin ducks
Effects of supplemented mode of emulsifier on growth performance, serum biochemical index, quality of meat and skin fat, and nutrient utilization in Pekin ducks Open
View article: Effect of benzoic acid, Enterococcus faecium, and essential oil complex on intestinal microbiota of laying hens under coccidia and Clostridium perfringens challenge
Effect of benzoic acid, Enterococcus faecium, and essential oil complex on intestinal microbiota of laying hens under coccidia and Clostridium perfringens challenge Open
View article: High-Energy Diet Leads to Reduce Feed Intake Via the Appetite-Regulating Hormones and Hypothalamic PI3K/SF1 Signaling Pathway in Broilers
High-Energy Diet Leads to Reduce Feed Intake Via the Appetite-Regulating Hormones and Hypothalamic PI3K/SF1 Signaling Pathway in Broilers Open
View article: Metabolomics Analysis to Interpret Changes in Physiological and Metabolic Responses to Chronic Heat Stress in Pekin Ducks
Metabolomics Analysis to Interpret Changes in Physiological and Metabolic Responses to Chronic Heat Stress in Pekin Ducks Open
View article: Effects of a high-fat diet on the growth performance, lipid metabolism, and the fatty acids composition of liver and skin fat in Pekin ducks aged from 10 to 40 days
Effects of a high-fat diet on the growth performance, lipid metabolism, and the fatty acids composition of liver and skin fat in Pekin ducks aged from 10 to 40 days Open