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Poultry genetics and reproduction
Poultry breeding has been one of the most impactful advances in the last 100 years. The role that improved global production of eggs and poultry meat have in reducing global hunger and food insecurity is difficult to overstate. The vast majority of these improvements have come from genetic selection for improved feed efficiency, along with streamlining of the overall production system, and better understanding of poultry nutrition. While the industrial approach to poultry production has created a highly consistent and dependable food source the world over, several problems threaten the long term sustainability of this model - including musculoskeletal and metabolic disorders, welfare concerns, and the need to adapt to a changing climate. Researchers in poultry breeding and genetics utilize quantitative, population, and molecular genetic techniques to help understand the effects of selection for economically important traits and enhance genetic performance through changes in environment and management strategies.
Press release - After the successful product launch in France in January, site expansion of a satisfied customer, and more than 23 million eggs scanned; a new installation with three modules of the Genus Focus in-ovo sexing is installed at LOHMANN Deutschland Hatchery,...
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Jonathan Cade, President of Hy-Line International, talks about the current trends and challenges in poultry production and how the Hy-Line team supports egg production worldwide...
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Breeding is crucial in livestock management, ensuring continuous production and maintaining genetic excellence. Better breeding results mean healthier offspring, higher birth rates, and enhanced herd or flock health. Nutrition is pivotal for breeding success in most livestock. Balanced diets, rich in essential vitamins, minerals, and nutrients, help animals achieve their full reproductive potential. We present IntelliOpt, the solution for effective nutrient utilization...
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As part of the practical section on poultry reproductive system anatomy for third-year students at the College of Agricultural Studies, Sudan University of Science and Technology, we procured a spent layer hen from a local market in Khartoum North. The objective of the dissection was to examine the reproductive system, which is composed of the ovary and the oviduct (Fig. 1). The ovary is responsible for the development of ova or yolks. When an ovum has matured, it is released from the...
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Artificial insemination is currently a necessary and exclusive means of breeding turkeys in large farms (Di Iorio et al., 2020; Slowinska et al., 2018). For optimal fertility outcomes, breeders must focus not only on the insemination itself, but also on the quality of collected semen. The culture medium is one of the main factors influencing semen quality and turkey spermatozoa in in vitro conditions. The aim of the study was to evaluate the impact of selected additive substances with...
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Introduction Commercial egg-laying chickens reach sexual maturity (begin laying eggs) at about 16-18 weeks of age. At 30-32 weeks of age, they attain their peak egg production. During the first year of laying, hens maintain a high laying rate (> 90%) (an average hen lays > 320 eggs), and subsequently, egg production gradually drops, indicating a decrease in ovarian function. The ovulatory cycle in hens lasts about 24-26 hours, depending on age (e.g., shorter in young...
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Lost in the Market Uncertainty Caused by the Outbreak
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Edgar O. Oviedo-Rondón, Ph.D., from North Carolina State University (United States) speaks about management practices to overcome male breeders' fertility issues...
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by Sam Shafer
Poultry scientists offer an approach for more accurate predictions of immune system function in birds
New research suggests poultry breeders can boost immune system function in birds by updating their prediction models to include “non-additive” genetic effects. The new study, published in The...
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Analyze over 40 different feed raw materials with AMINONIR® Portable | Evonik
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Conventional broiler (meat) chickens reach a final weight of 6.6 lbs (3 kg) in approximately 40-44 days. Across their lifetime, these fast-growing birds gain an average of 68-75 g per day, with daily gain increasing with age (Aviagen, 2022; Cobb, 2022). With their fast growth, however, they...
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Silvia Peris Miras, DVM, Ph.D., Executive Regional Technical Services Manager for Europe, Africa & Middle East at Novus International speaks about the role of zinc, copper, and manganese trace minerals in Breeder Hens...
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INTRODUCTION In the worldwide poultry industry, egg-laying production efficiency is a significant economic trait. Excellent productivity is measured by the number of ovarian follicles heading for ovulation and the efficiency of the oviduct to convert the ova into a hardshelled egg. But to increase number of ovarian follicles many factors are involved like Nutritional factors, Pathological factors, Managemental factors and Climatic factors. Before going to topic of available...
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Introduction
Modern agriculture constantly strives to maximize biological performance of food production in an effort to optimize economic efficiency, profit potential, and sustainability. Commercial poultry production is among the most efficient and progressively successful of all food production sectors. What factors does it take for continued success in efficient poultry production? It takes...
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The parents of broilers are defined as broiler breeders. In contemporary poultry industry practices, there are many selection criteria for broiler breeders. Beyond selecting for future broilers, maximizing broiler breeder characteristics (i.e. reproductive success) is also important. In essence, we are not only selecting for...
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Background & Objectives Korean Native Chicken (KNC) market field keeps enlarging by the increasing consumer interest on KNC due to the desired flavor, texture and healthy value of its meat. Despite the demand for native chickens increasing due to the requirement for diversification of consumers, making good KNC layer species to meet the demand of consumers is very limiting. It is necessary to secure and maintain the various the pure-line in order to improve production...
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INTRODUCTION The production performance of laying hens during their late laying period is rapidly decreasing. This late period represents nearly 50% of the whole laying period, and laying hens are generally eliminated at about 500 days of age. However, laying hens still maintain a laying rate of 60-70% at this time; therefore, the production performance of flocks during this late laying period directly affects the economic benefits of farmers. Therefore, prolonging the...
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INTRODUCTION Amino acids (AA) and crude protein (CP) intake during the rearing phase in broiler breeders have demonstrated to affect body composition and reproductive performance in the laying period (Joseph et al., 2000; Ciacciariello and Tyler, 2013; van Emous et al., 2013, 2015a, 2015b). Modifications of these nutrients added up to the adjustment of feed allocation may alter BW (van Emous et al., 2013; Soumeh et al., 2018), organ development (Lesuisse et al., 2017), egg...
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Edgar Oviedo-Rondón (NC State University) discusses the importance of amino acids and how to find the proper levels to achieve better growth and development....
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The breeding performance is count upon the reproductive status of birds. In current poultry industry there are numerous challenges for reproductive competency. Many of these problems originated from upgrading body growth rate and egg production traits in poultry; which results weakening in reproductive characteristics. The continuous trend towards high yielding and fast growing birds ensuring that task of managing the breeder stock will not be easy more. Males...
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