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     Production Industry VIV Asia, the world’s leading event for the animal protein production industry, announces that visitor registration for the 2025 edition is now open. Set to take place from March 12–14, 2025, at the IMPACT Exhibition...
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Poultry industry experts at the 2025 Latin American Poultry Summit will present information on factors that affect the efficient marketing of poultry farming.  The program is organized into five sessions – grain management, food safety, genetics, breeding and health – and will take place on Monday,...
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Poultry growers are invited to attend the 2025 International Production & Processing Expo (IPPE) for a special onsite registration fee of only $5, offering a fantastic savings of $130! This program is open to U.S. residents only. “We highly...
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Lukas Bauer
Evonik Animal Nutrition
Evonik Animal Nutrition
SPEOCARE T60 - Enhancing gut integrity
Discover the power of butyric acid, a naturally occurring short-chain fatty acid found in animals. Used as a feed ingredient in poultry, swine, and calf production, butyric acid supports gut health and the immune system. Improve your animal's digestion and overall well-being with butyric acid. Visit our website to learn more and experience the benefits for yourself....
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Ronnick FONG
Hangzhou DE Mark Industrial Co Ltd
Hangzhou DE Mark Industrial Co Ltd
The price index of veterinary APIs was 63.17-63.26-63.43-63.53 respectively for the four weeks of this month, from August 7th to 28th. It indicates that the overall veterinary drug raw material market was stable this month, with some varieties fluctuating and adjusting. In the first half of the month, most categories, such as doxycycline hydrochloride and neomycin sulfate, showed oscillating adjustments; categories, such as florfenicol, amoxicillin, and doxycycline hydrochloride,...
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Coccidiosis is a widespread parasitic disease that can seriously harm the livestock industry, especially affecting poultry and swine. This disease causes inflammation of the intestines, slower growth rates, and in severe cases, high mortality. In this article, we will discuss the causes, symptoms, and treatment options for...
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Humberto Ramírez Vega
Universidad de Guadalajara
Universidad de Guadalajara
1. Introduction Gut microbiota, represented by bacteria, archaea, viruses, and eukaryotes, take part in regulating several functions in both humans and animals [1]. It has been estimated that the chicken gut can be colonized by at least 1000 different microbial strains that are involved in maintaining the intestinal health of hens while sustaining productivity and growth [2,3]. This microbiota takes part in various metabolic pathways related to nutrient digestion and absorption,...
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Featured comment:
Alvaro Dubois
Cargill
What many nutritionists do in LCF, is to create 2 nutrients for calcium. One might simply have the name calcium and would include the total amount of calcium in the ingredients plus the value assigned in the phytase matrix. To this nutrient it would be assigned the min and max restrictions and it would be used to calculate the Ca.avP ratio (which could receive the restrictions instead of calcium). The other nutrient is usually called something like analyzable calcium (or calcium lab) and would...
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The 36th edition of the APSS will be held at The University of Sydney – Abercrombie Business School, from 10-12 February 2025. These will be some of the major themes: Layer Nutrition and Egg Quality, Broiler Nutrition, Managing Antibiotic-free Production, Sustainable use of Protein Ingredients and...
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Lesaffre, an independent key global player in fermentation and microorganisms, announces today the closing of a transaction with dsm-firmenich, a leading innovator in nutrition, health, and beauty, regarding its yeast extract business. Through this...
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Mike Czarick
Mike Czarick and 2 more
University of Georgia
University of Georgia
It is well known that the higher the static pressure, the faster the air will enter through an air inlet and therefore the greater the amount of air which will enter through the inlet. But how precisely does velocity change with pressure and similarly how does the amount of air entering through an inlet change with static pressure? To answer these questions, the performance of typical 44" X 7" (42.75" X 5.75" actual opening) and 44" X 14" (42" X 10.75" actual opening) galvanized door inlets...
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Mike Czarick
Mike Czarick and 1 more
University of Georgia
University of Georgia
In a negative pressure-ventilated poultry house, the amount of air entering through each side wall inlet depends primarily on the level of negative pressure generated by the house exhaust fans, the size of the inlet opening, and the air inlet design. The higher the static pressure, the faster the air will enter the house and...
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Mike Czarick
Mike Czarick and 1 more
University of Georgia
University of Georgia
A 54" tunnel fan with a 1.5-hp motor is running and consuming 1,700 watts of power. The belt suddenly breaks and the fan blades stop rotating, but the motor continues to spin. How much power do you believe the motor is now consuming? 1,700 watts? It is important to understand that the primary factor determining how much power a fan will use is how fast the motor is spinning the prop. The faster the prop spins, the greater the amount of work required, and the greater the amount of power used...
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Mike Czarick
University of Georgia
University of Georgia
Though it may not seem like it, each one-foot section of a five-foot-tall, six-inch pad has a tremendous surface area... well over 300 square feet. As a result, a house with two 70' X 5' evaporative pad systems has over 42,000 square feet of pad surface area from which water can evaporate and cool the incoming air. When we look at a 70' X 5' pad system, we can only see the 350 square feet of surface area, not the over 21,000 square feet of (60 times) interior pad surface...
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Mike Czarick
University of Georgia
University of Georgia
When building a new house or retrofitting an older one, tunnel fan selection is one of the most, if not the most important decision a producer has to make. A house’s fans are essentially the engine of the ventilation system and as a result have a significant effect on a producer’s ability to maintain the proper environmental conditions throughout the year. Furthermore, with rising electricity prices, selecting the right energy-efficient fan can save a producer thousands of...
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Featured comment:
Dr. BISWAJIT BARKATAKI
This is a very much need of an hr topic, especially for the hot and humid regions. We have seen many problems, from weakness to death due to poor drinker management in poultry farms.Thanks to the authors for publishing this topic and explaining it in such a simple way....
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Darrin Karcher
Darrin Karcher and 4 more
Purdue University (USA)
Purdue University (USA)
1. Introduction The laying hen industry in the United States consists of approximately 330–340 million laying hens [1] that must first go through the growing phase known as the pullet phase. The pullet phase accounts for approximately 25% of a laying hen’s lifetime [2] and encompasses approximately 0–16 weeks of age (WOA). During this time, the pullet reaches sexual maturity and grows to its full skeletal capacity. Early experiences during the pullet phase,...
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Carlos de la Cruz Sierra
Evonik Animal Nutrition
Evonik Animal Nutrition
In this interview, Carlos de la Cruz, Global Consultant Expert at Evonik, discusses the critical challenges faced by the egg industry in providing optimal nutrition for laying hens. He highlights issues such as shortage of protein sources and the importance of balanced diets. Carlos also shares successful...
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INTRODUCTION A Rising Call To Action As government-mandated and industry-driven hazard identification and prevention efforts become standard operating procedure for an expanding cross-section of the global feed industry, the need of its diverse stakeholders for fast, easy, cost-effective access to reliable aflatoxin data continues to intensify. Recognition of aflatoxins as a chemical hazard of very high concern spans the gamut of national and international...
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AGUSTIN VIVEROS MONTORO
Universidad Complutense de Madrid
Universidad Complutense de Madrid
1. Introduction The increase in food demand driven by population growth, coupled with the reduction in the supply of raw materials owing to factors such as climate change, poses a significant challenge for the agricultural and livestock sectors. Among the different processes associated with egg production, the feeding of hens represents the largest source of environmental impact [1]. Nonetheless, the revaluation of agrifood by-products through their incorporation into animal diets...
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