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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.
For nearly 90 years, Hy-Line International has operated the most extensive and advanced field testing program in the layer breeding industry. This long-standing investment is driven by one goal: to ensure that every Hy Line bird delivers top performance—not just in controlled research farms, but in the diverse, real-world environments in which our customers operate. ...
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As the global egg industry moves steadily toward cage-free production, ensuring a successful transition from rearing to laying is more critical than ever. Hy-Line pullets raised in environments that prepare them for the complexities of cage-free layer systems are far more likely to meet their full genetic...
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January 26, 2026
United States - Georgia - Atlanta
I. INTRODUCTION Modern broilers grow 5 times faster on 40% less feed than they did 60 years ago (Zuidhof et al., 2014). Because high body weight (BW) correlates negatively with reproduction and health (Decuypere et al., 2010), the severity of broiler breeder feed restriction increases every year relative to broiler growth potential. This intensifies competition for feed, resulting in unequal distribution of feed and poor flock uniformity. Achieving and maintaining high flock...
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Dr. Luke Kramer, Geneticist at Hy-Line International, explores how targeted genetic selection can improve both the production performance and overall welfare of Hy-Line White laying hens. ...
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1. Introduction Aggressive behavior of roosters toward hens are rare in natural environments, where the two sexes form separate social hierarchies and male dominance is expressed in a passive manner [1–3]. However, it has been observed that males from broiler parental lines exhibit a high frequency of aggression toward females, especially during the display of sexual behavior [4–13]. This pattern of mating-related aggression has also been observed in slow-growing broiler...
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The egg industry in the United States maintains approximately 300 million hens each year (United Egg Producers, 2025). For every laying hen that is hatched, approximately one male...
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1. Introduction Avian Metapneumovirus (aMPV) is a globally recognized pathogen causing respiratory diseases, leading to substantial economic losses in the poultry industry. Also known as Metapneumovirus avis, it belongs to the family Pneumoviridae and the genus Metapneumovirus [1]. So far, aMPV has been classified into four subtypes: A, B, C, and D [2]. These subtypes have been shown to exhibit varying effects on their avian hosts [3]. The recent disclosure of two new divergent...
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In recent years, the poultry industry has been increasingly interested in determining gender of newly hatched chicks so birds can be sorted into separate sex groups for rearing. However, at hatch, accurately sexing chicks is difficult as both sexes exhibit similar characteristics until approximately one month of...
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Pullets to Layers – Ensuring a Smooth Transition in Cage-Free Systems
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Jonathan Cade, President of Hy-Line, shares his vision on poultry genetics, focusing on improving flock viability and extending production cycles....
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Princess Cortez, SE ASIA Technical Specialist & Lead Nutritionist at Hy-Line, shares insights on the region’s growing egg consumption, the role of genetics in improving production, and key strategies for producers to enhance efficiency and profitability. ...
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Christian Budi Listianto, SE ASIA Technical Service Specialist at Hy-Line, shares insights on rising egg consumption in Southeast Asia, driven by economic growth. He highlights Highline International’s role in helping producers boost efficiency and expects demand to keep growing....
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Date: Thursday, April 10, 2025, at 12:00 PM CST / 1:00 PM EST
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Explore the diverse career opportunities available to those with a...
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Jamie McIntosh, Global Technical Services Manager and Cage-Free Specialist at Hy-Line International, shares key insights on cage-free systems, their growing impact worldwide, and best practices for producers looking to make the transition. ...
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Nguyen Manh Ho, SE Asia Technical Specialist at Hy-Line, shares insights on Vietnam's growing poultry industry and the role of Hy-Line International in introducing high-potential bird breeds....
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Kim Yun Ho, President of Korean Poultry Co, shares insights on South Korea's booming egg consumption and the company's long-standing partnership with Hy-Line....
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Paul Kabaiko Mbogo, Technical Specialts, Sub-Saharan Africa at Hy-Line, speaks about How Hy-Line is providing essential support, ensuring better production, and promoting eggs as a vital nutritional resource in Africa...
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Guna Chandra Bista (Avinash group) discusses the evolving poultry sector, highlighting rising disease challenges, vaccination gaps, and the country's growing egg consumption in Nepal. With a strong relationship since 1992, Hy-Line International remains a key partner, supporting Nepal’s market with highly accepted brown varieties....
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Wataru Hashimoto (Japan Layer) shares insights on Hy-Line International’s presence in Japan. As a trusted distributor, the company provides top egg production solutions. With a growing market, Hy-Line continues to lead with quality and innovation....
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Marcus Kenny, Global Nutritionist for Hy-Line, shares his insights on India's unique approach to poultry nutrition. He highlights the use of locally sourced, high-fiber, low-energy ingredients and explains how Highline’s adaptable genetics thrive in this resourceful environment....
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Mr Li Zhaoren, from Shenyang Huamei Poultry Company, celebrates 40 years of partnership with Hy-Line, driving the success of the Hy-Line Brown variety in China, which now holds 30% of the market. Thanks to its high productivity and efficiency, the company has been recognized by the National Scientific Research Department, establishing itself as a benchmark in the poultry industry....
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