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Poultry ventilation
Ventilation in a poultry house supplies fresh air that is essential to sustain life. It also helps reduce the extremes of temperature, humidity and air contamination to tolerable limits for confined chickens. Improved ventilation systems have also made possible the high density populations of livestock and poultry in confinement, thus reducing the building cost per unit housed. This is economically important since it reduces production and labour costs. Ventilation air removes excess heat, moisture, dust and odours from the building and, at the same time, dilutes airborne disease organisms. Properly designed winter systems also conserve energy by utilising heat generated by the birds. Providing proper ventilation to poultry is an art but it can be mastered by any determined and willing poultry grower. It is a challenge, however, since poultry houses are different and ventilation requirements change with time of day, season, temperature, humidity, wind, bird age and density.
Michael Czarick (University of Georgia) explained the advantages of using variable speed fans, including the reduction of power costs, during IPPE 2018 in Atlanta, USA....
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During the summertime, most broiler producers would not consider a house temperature in the low 80's of particular concern, even with a house full of near-market-age birds. But in truth they should be. Because without sufficient air speed, the use of...
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Mike Czarick (University of Georgia) talked about the use of filters and the relevance of biosecurity in poultry houses, during IPPE 2019 in Atlanta, USA....
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1. Introduction
Stress, a response to adverse stimuli, is difficult to define and understand because of its nebulous perception. According to Selye [1], “stress is the nonspecific response of the body to any demand”, whereas stressor can be defined as “an agent that produces stress at any time”. Therefore, stress represents the reaction of the animal organism (i.e., a...
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The weather constitutes a complex system, which acts upon the bird & exert various detrimental effects on neuroendocrine, cardiorespiratory system. Rearing birds out of their thermal comfort zone could mean failing to leverage full genetic potential. Poultry production in the tropical and subtropical regions having biggest environmental challenge is heat stress which could reduce productivity and even increase the mortality tolls due to depressed...
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Tom Tabler (Mississippi State University) explained how to use this tool and discussed other methods to check temperature and evaluate facilities, during IPPE 2019 in Atlanta, USA....
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Mike Czarick (University of Georgia) discussed the effect of temperature of pads on humidity, as well as water usage, during IPPE 2019 in Atlanta, USA....
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A 2 ½ day training program has been specifically designed for those who want to learn more about the design and management of modern poultry houses. The workshop/webinar consists of lectures as well as hands on group exercises designed to help attendees gain a firm understanding of the principles behind hot weather poultry house...
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Training the immune system to fight back pathogen attacks - Alain Riggi
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Dear members, There´s a growing interest in tunnel ventilation systems in order to reduce heat stress and increase animal comfort in hot weather. Despite its many benefits, operating costs can be high. How can we minimize the use of energy? Look forward to your ideas and experiences! ...
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Michael Czarick (University of Georgia) discussed the impact of stocking density, above every other factor, on the body temperature of broilers and how to notice the important signs, during IPPE 2018 in Atlanta, USA....
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Overview of Performance of Listed Vitamin Companies in 2023
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Introduction Keeping birds comfortable during hot, humid weather is critical for optimizing weight gains, feed conversion and livability. Improved growth rates and the trend to heavier average market weights contribute to greater heat loads in modern broiler barns. While the poultry industry has made significant strides to minimize seasonal effects, even the best housing design can still result in birds settling with lighter weights when nature turns up the temperature. Current...
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Issues that will be discussed in this article: Why is ventilation for the chick embryo as of 12 days of age in the setter and hatchery machines so important? Ventilation & temperature control during transport from hatchery to farm (truck). What is minimum ventilation in broiler houses? How to calculate the number of fans needed? What causes wet litter behind the evaporative...
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Effects of soybean meal processing conditions on growth performance and intestinal integrity in coccidia vaccinated broiler chickens
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Respiratory problems are among the most important problems facing the poultry industry in Egypt. It is the first problem in poultry breeding farms, regardless of the type of poultry reared in these farms (broiler breeders- layer breeders- commercial broilers – commercial layers-native breeds). There are many factors that help to spread these respiratory problems in poultry farms such as:
- Little experience of the of the poultry farms managers in...
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Hello. If you know about utility of heat exchangers (Earny from Big Dutchmann or Clima + from Vencomatic or other) in poultry houses please share your information. From my research, the utility of the heat exchanger in could areas where you use direct heating (like G12 or other kind of heating with CO2 and water production directly inside of the house) is high. But if you use indirect heating (water heating or indirect heaters) and you have a minimum air exchange the utility of heat...
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Brian Fairchild (University of Georgia) explained the findings of his research on the correlation of litter moisture results between the traditional drying method and a commercial moisture meter, during IPPE 2018 in Atlanta, USA....
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Mitigating Heat Stress in Poultry Introduction Try blowing on your hand with it about an inch from your mouth. You should feel a warm breeze. Blowing out of one's mouth in cold conditions may result in what looks like steam - it's easier to watch someone else doing that. The 'steam' is water which came from your lungs as invisible water vapour, condensing due to the temperature of the air being below the dew-point. In your lungs its humidity was nearly 100% but it did not condense in there,...
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The brooding period is important to getting chicks off to a good start and influences flock performance. Depending on the market weight, the brooding period represents as much as 1/3 of the grow-out period. The chick is still developing and will grow rapidly during this period. The objective is to minimize stress on the chick so that the majority of the energy is directed towards growth and development. Below are five common issues seen during the brooding period that can have a negative...
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Brian Fairchild, Professor at the University of Georgia, discussed recent research on temperature, air speed and humidity on poultry housing conditions and ventilation, during IPPE 2017 in Atlanta, USA....
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On April 24-26, 2017, The UGA Hot Weather Management Workshop will be conducted at the Oconee County Civic Center in Watkinsville, Georgia, a few miles from the University of Georgia.
This intensive training program has been specifically designed for those who want to learn more about the design and management of modern poultry houses. The workshop consists of lectures as well as hands on group exercises designed to help attendees gain a firm understanding of...
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It is widely understood that tunnel ventilation is a necessity when it comes to keeping market-age broilers comfortable during hot weather. Air speeds of 600 ft/min or more combined with evaporative pad cooling of ten degrees or more have proven to not only help keep heat stress related mortality to a minimum, but enable the birds to continue to eat and grow during even the hottest summer weather. But, if we want to insure maximum bird performance, health and...
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