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Physiological aspects of the properly functioning digestive system and the organs directly related to it are at the heart of profitability in commercial poultry production. One of the most important organs in the body of every bird is the liver, and the complexity of functions it fulfills proves its unique significance. This organ may be particularly vulnerable to damaging factors, which in turn can contribute to the reduction of production capacity of the flock and, in extreme cases,...
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Introduction The gradual increase in the world's poultry production concomitantly increases the need for ingredients to supply protein for diets. Cereals constitute about 60 - 70% of diets to meet the energy requirements of poultry, whereas oilseeds contribute to cover the dietary protein requirements of birds (Senkoylu & Dale, 1999). Soybean meal (SBM) is the main protein source in poultry rations given its high nutritional value. Most of the European and Asian...
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Introduction Today, the broiler industry plays an important role in supplying the protein requirements of the people of the world. Shortening of broiler rearing cycle enhances the importance of growth during the first week of life (Nistan et al., 1991). Although genetic selection for growth has affected the digestive tract of poultry, the digestive processes are not fully developed on the day of hatch (Croom et al., 1999). Therefore, the insufficient nutrient digestion and...
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The house has been preheated for 36 hours to 92°F. The chicks will be arriving in a few hours and the controller’s six temperature sensors (positioned one foot above the floor) indicate the air temperature is between 91 and 92°F (Figure 2). A thermal image indicates the floor temperature is between 87 and 102°F...
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Effects of DON and antidote on pro-inflammatory mRNA expression of broiler
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INTRODUCTION It is imperative to identify factors that inhibit the digestibility of nutrients for successful commercial poultry production. The non-starch polysaccharides (NSP) like substances of hemicellulose, cellulose, and pectin can reduce nutrient digestibility in poultry (Choct, 1999). Among the NSP, β-mannans are a group of hemicelluloses, which are present in many ingredients used for poultry feeds like soybean and other leguminous seeds. It occurs in the forms of...
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INTRODUCTION Avian coccidiosis is caused by protozoa of genus Eimeria, which belongs to family Eimeriidae and has multiple species with complex life cycle stages (Abbas et al., 2015, 2019; Khater et al., 2020). Eimeria species mostly affect bird intestines and cause bloody diarrhea, poor feed conversion ratios, and high mortality. Among all Eimeria species, E. tenella and E. necatrix are the most pathogenic, causing high mortality in chickens. Naturally, coccidian oocysts are...
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The world's increasing population has put tremendous pressure on protein sources, its supply and demand leading to rise in its prices. Chicks tend to grow at high rate during first & second week after hatch, but limit's due to anatomically complete but physiologically weak GIT, resulting in inefficient feed utilization. To overcome the limitations of the immature digestive tract, limitations of protein sources and to satisfy the need of least cost ration with value addition, it is recommended...
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Introduction ‘Poultry’ collectively refers to domesticated birds, especially those valued for their meat and eggs, such as chickens, turkeys, ducks, geese and guinea fowl. Of all avian breeds, chicken breeds make up the vast majority of 63%, followed by ducks at 11%, geese at 9% and turkeys 5%, but indigenous or heritage breeds make up most of the world’s poultry genetic diversity (Pym, 2013). Over the past 50 years, the poultry sector has expanded,...
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Getting chicks off to a good start is very important to overall flock performance. At no time does a bird grow faster than during the first week of its life. Over the last week of a 42-day-old flock, a bird’s weight will increase by approximately a third. In contrast, a chick’s weight will typically increase approximately...
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Recently a study was conducted on commercial broiler farms examining broiler water usage over the first seven days of a growout. High-accuracy, ultrasonic water meters were installed in twenty-two broiler houses (18, 40' X 500' houses, four 54' X 500' houses) on nine farms. The water meters were capable of accurately measuring water...
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Innovative Directions in Aflatoxin Testing Point to Measureable Gains in Quality Of Lab Data
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Introduction Animal welfare has been increasingly included in business agreements and with humane slaughter is a key area of interest (von Keyserlingk and Hötzel, 2015). Retailers, restaurants, and food service companies seek kinder and more responsible farm animal practices (Grandin, 2010; Bayvel et al., 2012). Yet, it is a consensus that changes in attitudes and practices of stakeholders are required to improve farm animal welfare at slaughter (Paranhos da Costa et al.,...
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GuanAMINO® is a creatine source that ensures optimal nutrient utilization and returns over feed cost. Furthermore, it spares metabolic energy and works towards an optimized amino acid metabolism. Not sure why you should add GuanAMINO® to your feeds? Contact your Evonik representative for more information.
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Trends and challenges in Poultry Production: Jonathan Cade, President of Hy-Line International
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Sami Dridi, Ph.D., HDR, from the University of Arkansas, shares his thoughts on the upcoming 2026 World's Poultry Congress to be held in Toronto, Canada...
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Toronto was officially selected as the location of the 2026 World's Poultry Congress at the 2022 WPC in Paris, France. Hear what Dr. Bruce Rathgeber from Dalhousie University has to say about it. ...
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MetAMINO® Atlas: Essential Insights for Animal Nutrition Professionals
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Dr. Girish Kolwamkar, Director of Premium Chick Feeds, shares his insights on the current problems the poultry industry has to face in India
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In the first half of 2022, Life Rainbow mycotoxin analysis lab collected 161 feed samples of raw materials and feed mills in farms and analyzed. The survey provides essential information on the feed pollution situation of aflatoxins (B1, B2, G1, and G2), zearalenone, fumonisins (B1, B2, and B3) and deoxynivalenol (DON) in Taiwan. All the samples were analyzed using ELISA mycotoxin analysis kit. Results: The results show that 88.8% of feed was contaminated with aflatoxins;...
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Amino Acids Of M/S Priya Chemicals Obtained By Enzyme Hydrolysis
1. Consists of twenty amino acids.
2. All amino acids are in l form (natural form) & are absorbed quickly & easily by plants.
3. No cyclization of glutamine which is important for energy metabolism.
4. No destruction of aspargine which has active role in respiratory function.
5. Tryptophan which is starting material for...
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I. INTRODUCTION Antibiotic stewardship and the judicious use of antibiotics as treatment for specific disease occurrences, rather than using sub-therapeutic doses for growth promotion, are well established concepts within the Australian poultry industry (Alfirevich, 2018). Intensive production systems however, are prone to increased stressors and large scale production does not always meet the individual needs of each bird. Optimising production performance within this...
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I. INTRODUCTION To introduce myself, I am a veterinarian by profession, a poultry veterinarian by accident and I am a field veterinarian by choice. My role as a field veterinarian (along with other professionals and the management team) is to turn expensive feed into profitable meat as efficiently as possible. Thus, my focus on-farm is on bird health and flock management to achieve the best biological performance we can. But along with that brief is the ‘social...
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Sara Orlowski (University of Arkansas) talks to Sam Shafer (PSA) about her research. She is studying several generations of broilers and has been working to select the desirable traits that contribute to a low water conversion ratio (LWCR), making the bird more water efficient. Let's Squawk About It is a monthly interview segment by the Poultry Science Association....
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