A5052219263- Animal Nutrition and Physiology
- Animal Behavior and Welfare Studies
- Advanced Chemical Sensor Technologies
- Listeria monocytogenes in Food Safety
- Odor and Emission Control Technologies
- Effects of Environmental Stressors on Livestock
- Indoor Air Quality and Microbial Exposure
- Meat and Animal Product Quality
- Air Quality and Health Impacts
- Animal Behavior and Reproduction
- Food Supply Chain Traceability
- Food Safety and Hygiene
- Air Quality Monitoring and Forecasting
- Infection Control and Ventilation
- Agriculture Sustainability and Environmental Impact
- Avian ecology and behavior
- Greenhouse Technology and Climate Control
- Environmental Impact and Sustainability
- Vehicle emissions and performance
- Insect and Pesticide Research
- Wind and Air Flow Studies
- Rangeland Management and Livestock Ecology
- Atmospheric chemistry and aerosols
- Primate Behavior and Ecology
- Olfactory and Sensory Function Studies
China Agricultural University
2015-2025
Environmental and Water Resources Engineering
2025
GS Engineering (United States)
2024
Ministry of Agriculture and Rural Affairs
2018-2024
ETH Zurich
2021
Sun Yat-sen University
2017
University of Illinois Urbana-Champaign
2015-2016
Less evidence is available currently to reveal whether the immune system and productivity of laying hens change under long periods ammonia exposure in hot climate. The present study was conducted determine effects chronic high temperature concentrations on health, response, reproductive hormones commercial hens. A total five hundred seventy six 20-week-old (Hy-Line Brown) were used this study. Birds housed cages (4 birds per cage) received 16-wk treatments 6 artificial environmental...
Bacterial loading aggravates the health and environmental hazards of particulate matter (PM), particularly in concentrated animal feeding operations. Understanding association between PM airborne bacteria is conducive to accurately assessing occupational exposure, providing fundamental data for exposure mitigation via engineering solutions, information regarding physical properties influencing transmission microorganisms at emission sources. In this work, we conducted a joint study...
The FAO Livestock Environmental Assessment and Performance (LEAP) Partnership organised a Technical Advisory Group (TAG) to develop reference guidelines on water footprinting for livestock production systems supply chains. mandate of the TAG was i) provide recommendations monitor environmental performance feed chains over time so that progress towards improvement targets can be measured, ii) applicable demand small ruminants, poultry, large ruminants pig chains, iii) build on, go beyond,...
Natural mating colony cages for layer breeders have become commonplace in China. However, feather pecking (FP) and cannibalism are prominent this system. The objective of study was to investigate the effects four light-emitting diode (LED) light colors (white: WL, red: RL, yellow-orange: YO, blue-green: BG) with two intensities each color, on FP, plumage condition, cannibalism, fear, stress. A total 32 identical were used eight treatments (four replicates treatment). For both intensities,...
In a cold climate, ensuring indoor air quality and heat preservation simultaneously has always been difficult problem in the poultry house. The current study was carried out order to determine effects of chronic low temperature ammonia concentration on productive performance egg commercial laying hens. 576 18-week-old Hy-line Brown hens were used this study. Birds housed cages received for 20-week exposure six artificial environmental chambers. randomly assigned into treatments: treatment 1...
Bioaerosol infections containing pathogenic viruses and bacteria have resulted in significant economic losses posed a serious threat to public health, as evidenced by outbreaks of coronavirus disease avian influenza. Consequently, the sampling screening bioaerosols are crucial for prevention bioaerosol-borne diseases. In this study, an ultrasensitive biosensor based on zeolitic imidazolate framework-8-melamine foam (ZIF-8-MF) was innovatively developed specific capture situ detection...
1. Nimmermark S, Lund V, Gustafsson G, Eduard W. Ammonia, dust and bacteria in welfare-oriented systems for laying hens. Ann Agr Env Med. 2009; 16(1): 103–113. Google Scholar
Abstract Animal welfare closely depends on its ability to adapt and thrive in a harmonious relationship with environment, ensuring both physical psychological well‐being. Over the years, of farm animals has gathered global attention become increasingly important general public scientific communities. The connection between environment animal is primarily established through provision suitable controllable for animals. However, it essential recognize that impact extends beyond merely freedom...
<abstract> <bold><sc>Abstract. </sc></bold>Compared to conventional cage laying-hen houses, aviary hen houses generally have much higher concentrations of airborne dust and bacteria due generation bioaerosols by the hensâ access activities on litter floor. Hence, reducing these agents is important safeguard health animals workers in such housing systems. Spraying slightly acidic electrolyzed water (SAEW) a novel approach culturable (CB) particulate matter (PM) levels houses. The objective...
Light colors may affect poultry behaviors, well-being and performance. However, preferences of layer pullets for light are not fully understood. This study was conducted to investigate the pullet four light-emitting diode colors, including white, red, green blue, in a lighting preference test system. The system contained identical compartments each provided with respective color. were able move freely between adjacent compartments. A total three groups 20 Chinese domestic Jingfen (54 82 days...
Reducing airborne dust is an essential process for improving hen housing environment. Dust reduction effects of neutral electrolyzed water (pH 8.2) spray were investigated in a commercial tunnel-ventilated layer breeding house during production northern China. A multipoint sampler was used to measure concentration study the and distribution house. Compared with control treatment (without spray), level reduced 34% 3 hr after spraying 216 mL m−2 The significantly higher periods feed (1.13 ±...
Spraying slightly acidic electrolyzed water (SAEW) has been considered as a potential approach to reduce airborne bacteria in laying-hen houses. In this study, the effects of spraying SAEW on bacterial reduction were investigated house compared with using diluted didecyl dimethyl ammonium bromide (DDAB). Averaged air temperature reduced by approximate 1 degrees C and average relative humidity increased 3% at stable ventilation rate (about 2.5 m3 hr(-1) per bird) 30 min after (120 mL m(-2))....
The efficacy of slightly acidic electrolyzed water (SAEW) to inactivate foodborne pathogens and indigenous microbiota on shell eggs was evaluated compared chlorine dioxide (CD), (AEW) NaClO solution. were artificially inoculated with S. enteritidis, E. coli O157:H7 aureus sprayed or immersed SAEW, alkaline (AlEW) followed by SAEW (AlEW+SAEW), CD, AEW solution, respectively. effect the natural also determined. Spraying CD solution at an ACC 60 mg/L had no significant bactericidal difference...
Understanding the air temperature distribution, ammonia (NH3) and carbon dioxide (CO2) levels in poultry housing systems are crucial to health, welfare, productivity. In this study, 4 Intelligent Portable Monitoring Units 7 sensors were installed inside between cages above 2 minimum ventilation fans of a commercial stacked-deck cage laying hen house Midwest United States (425,000 hens) continuously monitor interior environment over 6-month period. During cold conditions (March 12th–May...
The behavior, growth and development, production performance of poultry are affected by the light environment. influence results from a combination sources, intensity, color, photoperiod regimen. With light-emitting diode (LED) lamps applied in housing systems, specific colors desired for each time period layer chickens. objective this study was to investigate effects 2-phase mixed color lighting program (phase 1: blue-green, 1 D–13 wk; phase 2: yellow-orange, 14–20 wk) using LED lights on...
The objective of this study was to evaluate the effectiveness slightly acidic electrolyzed water (SAEW) in reducing pathogens on pure cultures and cotton fabric surfaces presence organic matter estimate its efficacy comparison with povidone iodine solution for pathogenic microorganisms internal layer houses. Pure E.coli, S.enteritidis, S.aureus inoculated these strains were treated SAEW bovine serum albumin (BSA). In absence BSA, complete inactivation all observed after 2.5 5 min treatment...
Caged laying hens are prone to calcium deficiencies, resulting in osteoporosis and egg quality deterioration during the later phase of cycle. Fluorescent light light-emitting diodes (LEDs), which widely used poultry houses now, both deficient ultraviolet (UV) light, lack is detrimental chickens’ welfare health. This study was conducted investigate effects UVB supplementation using LEDs on bone traits, blood parameters, performance, for caged at 68–75 weeks. In total, 120 Jingfen were...
Conventional chemical disinfectants used for egg disinfection could result in toxic residue and endanger hatchability, chick quality, pullet growth performance. Slightly acidic electrolyzed water (SAEW) is known as a novel disinfectant sterilization due to its high efficiency no residue. In this study, comprehensive assessment of slightly benzalkonium bromide solution (BBS) the channel was conducted assess microbial count, eggshell hatchability concomitantly. The results show that SAEW...