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Sam Shafer
Poultry Science Association
Poultry Science Association
Brandon Koch sits down with PSA to talk about turkey production
Let's Squawk About It is a monthly interview segment by the Poultry Science Association. In honor of Thanksgiving, we discussed all things turkey with Brandon Koch of Koch's Turkey Farm. This interview provided interesting insight into how turkey poults are sexed at an early age, the avenues turkey has lent itself well to, and more!...
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Markus Wiltafsky
Evonik Animal Nutrition
Evonik Animal Nutrition
AMINODat® 6.0 The most extensive web-based database for animal nutritionists
Dr. Markus Wiltafsky-Martin, Responsible for Service Commercialization at Evonik Animal Nutrition, underscores why AMINODat® 6.0, is the most comprehensive animal nutrition database in the world that comprises nutritional data of more than 18,000 feed ingredient samples from all over the world and over 900,000 analytical results. ...
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Mycotoxins in animal nutrition Mycotoxins are toxic secondary metabolites, produced naturally in various Genera of Fungi. The most significant in animal production are produced by molds of the Genera Aspergillus , Fusarium and Penicillium ....
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Featured comment:
Carlos Martínez Amezcua
Alfredo Irazusta, I agree Betaine could have an impact, but we need to take care on Met + Cystein requierements, Cysteine is the first limiting amino acid in gut, and Cysteine is essential for Glutation and Glutation peroxidase, being the limiting amino acid under normal and stressal conditions, so I just recommend to be cautious whenever we defend replacement strategies...
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Professor Robert Moore
RMIT University
I. INTRODUCTION Campylobacter hepaticus currently causes significant economic losses to the poultry industry, as it is the cause of spotty liver disease (SLD) in chickens (Van et al., 2016, 2017a). The clinical manifestations of SLD include the formation of gray/white lesions in the liver, an increase in mortality rate in a flock, and reduction in egg production. It has been sporadically reported over the last 60 years, first from the United States, then in other countries,...
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by Sam Shafer Properly cooking poultry products is key to avoiding bacterial infections such as  Campylobacter , so there are concerns that the recent popularity of undercooked chicken livers, often served as a pâté, could lead to foodborne illnesses. Poultry scientists are curious whether the same concern is relevant for turkey livers—an important question as turkey consumption continues to grow in the United...
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by Sam Shafer Avian influenza outbreaks in the United States are rare, but when the virus strikes, the results are devastating. The disease spreads very rapidly, and producers must rely on quarantine-and-cull to try to limit the damage. A 2015 outbreak led to an estimated loss of over 48 million birds. While there are vaccines to prevent avian influenza, it would be very challenging to administer them via inject to entire flocks. Adding to the problem, the...
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Eugeni Roura
Eugeni Roura and 1 more
University of Queensland
University of Queensland
A balanced broiler chicken diet requires essential (EAA) and non-essential (NEAA) amino acids to attain maximum growth. However, the optimal ratio of these two dietary AA groups may change with different growth rates but this is not fully understood (Heger, 2003). In addition, commercial broiler feeds are formulated based on average flock requirements of EAA, hence neglecting NEAA ratios and potential individual variations. Consequently, it is expected that commercial broiler diets for...
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I. INTRODUCTION Antimicrobial resistance (AMR) is considered one of the biggest threats to human and animal health today (Australian Government, 2015; O’Neill 2016) and all users of antimicrobial agents have a responsibility to ensure that these agents are only used when necessary. The Australian poultry industry takes the issue of AMR very seriously and has a long history of developing and introducing initiatives to enhance infection prevention and...
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Geof Runge
Geof Runge and 1 more
I. INTRODUCTION HB trimming is still used worldwide for retrimming birds on farm where required to reduce the risk of or control serious outbreaks of cannibalism and feather pecking. In the review by Glatz (2000) other methods of trimming included a gas beak trimming machine, an electric soldering iron and a cold blade. These methods are only practical to use when retrimming birds on smallholder farms as they are too slow to use on a large number of birds on a...
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S. K. Kim
The University of Sydney
The University of Sydney
I. INTRODUCTION Avian influenza viruses (AIVs), subdivided into Low Pathogenicity Avian Influenza (LPAI) and Highly Pathogenic Avian Influenza (HPAI), are diseases of major concern to domestic chickens worldwide (Hansbro et al., 2010). LPAI is known to circulate naturally in wild birds of the order Anseriformes (waterfowl) and Charadriiformes (shorebirds) and can potentially mutate into HPAI once transmitted to chickens (East et al., 2008). Reducing direct and indirect contact...
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This award is given to recognize distinctive work demonstrating sound research in poultry nutrition in the last 10 years. This is an annual award.  Sergio...
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This award recognizes the achievements of PSA members in the early stages of their career in poultry extension. It is given every other year.   Dianna V. Bourassa Auburn...
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Shemil Macelline
The University of Sydney
The University of Sydney
Dietary energy is vital in animal nutrition as it is a major cost component in animal diets. Dietary fat and oil contribute high levels of energy into the diet, and different fat types affect growth performance of fast growing broiler chickens (Meng et al., 2004). Furthermore, decreased fat digestion and absorption were reported in young broiler chickens (Al-Marzooqi and Leeson, 2000). Addition of emulsifier and multi-carbohydrase resulted in improved energy availability and growth...
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Ludovic Lahaye
Ludovic Lahaye and 4 more
JEFO Nutrition Inc.
The increased demand to reduce production costs, as well as concerns about the environment, have resulted in pressure on poultry producers to increase dietary energy utilisation and to improve feed efficiency. Usually, technologies such as exogenous enzymes that are supplemented in the diets have been one of the main pathways used to reach these goals. Xylanase is well known to produce positive effects on growth performance of birds fed diets based on non-starch polysaccharide (NPS) rich...
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This study investigated the effect of a novel phosphorylated tocopherol mixture (TPM) on the growth performance and meat quality in broiler chickens reared in normal temperatures (NT) or cyclical high temperatures (CHT). Three hundred and sixty Ross 308-day old broilers were housed in groups of 5 in cages (n = 12/treatment). From day of placement until d 35, broilers were assigned to 1 of 3 vitamin E-adequate, wheat and soybean meal-based diets containing TPM at 0 (Control; 20ppm of Vit E),...
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Mingan Choct
Mingan Choct and 1 more
University of New England
University of New England
Dietary energy available to animals is key to formulating feed as it is required for all aspects of animal life. In poultry, apparent (AME) and true (TME) metabolisable energy (ME) values have been developed for feed formulation with or without correction for nitrogen balance. Over the past 50 years, the accuracy of ME systems has been an ongoing debate and the data produced from different bioassays have been found not to be comparable (Farrell, 1999). Overall, the ingredient matrix ME...
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Velmurugu Ravindran
Massey University
Massey University
The influence of inclusion level of barley in wheat-based diets and supplementation of a multicomponent non-starch polysaccharide (NSP) degrading enzyme (Ronozyme® Multigrain) on growth performance and nutrient utilisation in broiler starter (d 0 to d 21) was evaluated. The activities of endo-1,4-β-glucanase, endo-1,3(4)-β-glucanase and endo-1,4-β-xylanase in enzyme were 800 BGU/g, 700 BGU/g and 2700 XU/g, respectively. Normal-starch (non-waxy) hulled barley (NSH) was...
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Xiuhua Li
Xiuhua Li and 2 more
University of Queensland
University of Queensland
Canola and camelina meals have been identified as alternative plant protein sources in place of soybean meal for animal feeding. The use of these protein sources at high inclusion levels is limited due to the presence of antinutritional factors such as phytic acid, glucosinolates, erucic acid, sinapines and tannins which have negative effects on production performance of broiler chickens (Thacker and Widyaratne, 2012). Solid state fermentation is a preferred method for enriching...
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Robert Swick
Robert Swick and 2 more
University of New England
University of New England
I. INTRODUCTION Food waste refers to “the discarding or alternative (non-food) use of food that was fit for human consumption - by choice or after the food has been left to spoil or expire as a result of negligence” (FAO, 2015). It is estimated that the global economic loss caused by food waste is US$ 1 trillion annually. The wasted amount of cereals, root crops, fruits and vegetables, fish, oilseeds, meat and dairy products in the food industry has been estimated to...
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