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Introduction The nutrient content of the hatching egg influences the development and growth of embryos during incubation and the post-hatch performance of chicks (Al-Murrani, 1982; Shafey et al., 2013). The administration of nutrients into the hatching eggs is called in ovo feeding (Uni et al., 2005). The overall aim of in ovo feeding is to supply adequate nutrients to the growing embryo. In ovo feeding improves the hatchability of eggs, the viability and weight of chicks at...
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Introduction Poultry productivity depends on the combined effects of several factors such as the level of nutrients in feed, proper management practices, and the health status of the birds. To keep the enteric infections under control and promote growth, the supplementation of antibiotics in the poultry feed has been a regular practice. However, the use of antibiotic growth promoters (AGP) is restricted or banned in several countries due to the public health concern of...
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Introduction The application of exogenous enzymes in fibrous diets has been found to increase nutrient utilization and subsequently improve the growth performance of broilers [1, 2]. However, the response of different enzymes is not consistent, and it could vary based on the types of ingredients present in the diet. Among the exogenous enzymes, xylanase is commonly used to improve nonstarch polysaccharide (NSP) degradation in wheat-based diets, but it is also increasingly being used...
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1. Introduction Humphry Davy, a British chemist, was the first to isolate and investigate the chemistry of calcium (Ca) and to recognise it as an essential component of bone in 1808. Ever since, it has been the subject of a voluminous amount of research in both human and animal nutrition. Today, the biological significance and economic importance of Ca in animals are intuitive. Calcium is the most abundant mineral in the body and is essential for the skeletal health and...
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INTRODUCTION Providing adequate quantities of animal protein to meet the demands of a continuously growing population requires that livestock producers must increase the production efficiency of farm animals. This can be achieved through improved genetics, management, and nutrition. Furthermore, feed ingredient prices continue to increase, resulting in minimizing the profit for the producers and forcing them to seek cheaper alternative ingredients, typically of lower quality and...
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This award is given to recognize PSA members for conducting an outstanding program of work in the area of poultry extension and outreach during a five-year period. This is an annual award.
Yuko Sato
Iowa State University
Dr. Yuko Sato received her DVM in 2012 from Purdue...
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The National Chicken Council Broiler Research Award recognizes distinctive research work that has a strong economic impact on the broiler industry, primarily on the economic influence the work has had or will have on the industry. It is an annual award.
Woo Kyun...
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This award is given to stimulate and reward research with ducks and improve the knowledge base of science as applied to commercial duck production. This research should be for a period of not more than 10 years preceding the presentation of the award.
Darrin Karcher
Purdue...
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Influence of low protein diets on performance and intestinal health
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The status of Fellow is one of the highest distinctions a PSA member can achieve. The election to Fellow recognizes members of the Poultry Science Association for professional distinction and contributions to the field of poultry science and service to the Poultry Science Association. Not more than five members may be elected as Fellows at any one annual meeting. A two-thirds majority vote by the Board of Directors is required to elect any nominee as Fellow.
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1. Introduction Exogenous xylanase (XYL) has been routinely used in poultry diets to hydrolyse nonstarch polysaccharides (NSP) and improve the feeding quality of fibre-rich diets, including wheat [1]. The beneficial effect of XYL in wheat-based diets is mainly attributed to the reduction of digesta viscosity, improving digestion and absorption of nutrients, dietary energy availability and subsequent growth performance of broilers [2,3]. In layers, XYL has been assessed as...
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Introduction Lipids are the primary source of energy for animals, and the digestibility of fats determines the amount of energy that can be obtained by an animal from dietary fat. The age of birds influences the digestibility of fats and poor absorption is a problem in very young birds. The absorption of dietary fat is physiologically restricted in young animals due to low levels of natural lipase production and low rates of bile salt generation (Tancheroenrat et al., 2014)...
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1. Introduction The small intestine is a highly differentiated and complex organ with many nutritional, physiological, and immunological functions [1–8]. First, the small intestine is responsible for the terminal digestion and absorption of dietary nutrients and is, therefore, essential to health, growth, development, reproduction, and sustaining life in organisms. Second, the neonatal small intestine can absorb immunoglobulins from milk before gut closure, which is...
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Innovative Directions in Aflatoxin Testing Point to Measureable Gains in Quality Of Lab Data
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1 | INTRODUCTION Water is the source of life on the earth and it seems that without water, life is inconceivable. Unlike humans, who can produce and retrieve the necessities of life by increasing their knowledge, birds rely more on the water in nature, and unfortunately, any changes affecting the quantity and quality of water in geographical areas of the world including Urmia Lake, affects the lives of birds. The ecological level of the Urmia lake water is 1274.10 m/12.546 Bm3...
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1. Introduction Phytogenic feed additives “phytobiotic” are assuming a position of prime importance in the poultry industry [1–3] and could be used in feed or water [4]. Among the promising phytogenic immune-stimulants, Nigella sativa (N. sativa) is a miracle medicinal herb having a long history with a rich religious background [5, 6]. N. sativa seeds are used for the treatment of some disorders and illnesses including fever, common cold, headache, asthma,...
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Feed Conversion Ratio: Unveiling the Secrets of Sustainable Livestock Production
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Two experiments evaluated the addition of an exogenous sfericase protease in broiler diets. Experiments were run (Exp1 and Exp2) with 1,848 and 2,100 one-day old male chicks being allocated into 84 floor pens with 14 replicates of 22 and 25 birds each, respectively. The studies were conducted in completely randomized designs. In Exp1, Standard diets were formulated with energy and AA at marginally lower levels than usual by the Brazilian integration such that broilers were expected to grow...
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Heat production and heat loss are critical factors in the development of a chicken embryo. The chicken embryo undergoes a complex process of growth and development within the egg, and maintaining an optimal balance between heat production and heat loss is crucial for ensuring the proper growth and development of the embryo. The air temperature and heat...
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Ewa Sujka talks about the sanitary challenges of organic farming production and also gives an overview of the solutions that Liptosa offers in the market.
*Certain information associated with products, their composition and claims may be different depending on the geographical region and may not be applicable in all countries. Liptosa reserves the right to adapt to the requirements and legislation in each case.
The information and technical recommendations provided herein are based on...
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Ana Maria Villegas (Evonik Animal Nutrition) discusses how feed management can be optimized to prevent the development
and spread of Necrotic Enteritis
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Fernanda Castro, Technical Service Manager at Evonik Animal Nutrition, points out how to balance sustainability goals with meeting the nutritional needs of animals, as well as producing high-quality animal nutrition products
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Dr. Jan-Olaf Barth, Head of Evonik's Essential Nutrition product line, talks about Evonik’s commitment to the animal nutrition industry
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