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Poultry egg quality
Egg quality defines those characteristics of an egg that affect consumer acceptability and preference. Components of quality include shell quality and interior egg quality for shell eggs, and interior egg quality for further processed eggs. The quality of the egg once it is laid cannot be improved. Hence, its maintenance is mostly a preventive process. Egg quality is influenced by several factors including rearing, temperature, humidity, handling, storage, and egg age. Shell quality: There are five major classes of shell defects: integrity, texture, shape, color, and cleanliness. Internal egg quality involves functional, aesthetic and microbiological properties of the egg yolk and albumen. The proportions of components for fresh egg are 32% yolk, 58% albumen and 10% shell. Regarding exterior egg quality, the shell of each egg should be smooth, clean and free of cracks. The eggs should be uniform in colour, size and shape.
I. INTRODUCTION Resilience is defined as the ability to successfully cope and thrive when faced with environmental disturbance, adversity, and stress. Across an animal’s lifetime, they will be exposed to many stressors that require the individual to adapt and maintain internal homeostasis against external variability. For a laying hen, these stressors could include pathogens, vaccinations, extreme temperature variations, transfer from pullet to layer housing, and conspecific...
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Laying hens have a cyclic reproductive physiology that requires high dietary protein and energy levels for yolk and albumen formation in the early morning and high dietary Ca levels for shell and membrane formation in the afternoon/evening. Therefore, feeding one diet throughout each day may be problematic as there is excess Ca in the morning and excess protein/amino acids and energy in the afternoon/evening. To minimise excess nutrients, there is increasing interest in alternative...
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January 25, 2027
United States - Georgia - Atlanta
I. INTRODUCTION The mineralisation of calciferous eggshells is an extremely physiologically demanding process, having immense calcium requirements. As a result, laying hens have highly efficient, closely managed calcium homeostatic mechanisms involving a complex series of feedback loops primarily regulated by parathyroid hormone, calcitonin, and calcitriol (de Matos, 2008; Sinclair-Black et al., 2023). Calcitriol is the bioactive form of vitamin D, which increases calcium absorption...
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INTRODUCTION To maximize the profitability of the broiler breeder production chain, it is necessary to increase egg production and hatching rates to obtain more viable offspring. The inclusion of substances with antioxidant properties in the diet of broiler breeders aids the enzymatic defense system in controlling the damage caused by free radicals in cells. Carotenoids are an example of this type of substance because they have antioxidant, pigmenting, provitaminic and...
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Modern layer poultry production depends on several key factors, including genetics, management, disease prevention, housing, and nutrition. Among these factors, nutrition plays an important role in maintaining bird health, supporting egg production, ensuring eggshell quality, and promoting reproductive...
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1 | Introduction Broiler production fundamentally depends on the quality of fertile eggs and chick output, with incubation representing a critical process in this context. For production efficiency, day‐old chicks must exhibit high physical, sanitary, and immunological qualities (Araújo et al. 2019). Chick quality at hatch is strongly associated with broiler performance throughout the production cycle, directly influencing the productivity of the poultry industry...
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Amino Acid Innovation Driving Smarter, More Efficient Feed Formulation
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Wenliang Yan, General Manager of Huayu Company, shares insights into more than two decades of collaboration with Hy-Line International. He highlights China’s strong egg consumption—over 260 eggs per person annually—and Huayu’s scale, producing more than 350 million chicks each year. ...
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INTRODUCTION In the United States, approximately 240 million commercial broiler eggs are set in incubators every week with an average hatchability of 80.3% (National Agricultural Statistics Service, 2022). In 2007, it was estimated that an improvement of 1% would increase returns to more than $25 million for the hatcheries and further increase profits to the broiler production chain (Schaal and Gherian, 2007). The egg management at the hatchery such as storage conditions, incubation...
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We have a layer poultry farm here in the philippines. 2 bldg. with a population of 9,400/bldg. The breed is lohman white. Age is between 20 - 28 weeks old with a production of 70% and 90%. The problem is our mortality is ranging from 10 - 15 heads per building per day. primary cause of death is prolapse and egg bound. we fed them with a high enery feeds, does the high energy feeds contributes to our chicken prolapse? Temperature is around 28 to 30degree celcius....
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In this interview, Suresh Chitturi, Managing Director of Srinivasa Farms, reflects on six decades of building the poultry industry in India. He shares key milestones, recent strategic shifts in genetics, rapid growth with Hy-Line, and the company’s long-term vision of supporting farmers, driving profitability, and strengthening rural economies across India. ...
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The constant challenge of maintaining feed safety is highlighted in the comprehensive review "Implication of Fusariotoxins in poultry production. Review," authored by Gabriela Guadalupe Gómez Verduzco, Ernesto Ávila González, Guillermo Téllez Isaías, Juan Carlos Del Río García, and Jacqueline Uribe Rivera, published in Revista Mexicana de Ciencias Pecuarias, DOI: 10.22319/rmcp.v15i2.6090. While feed represents up to 70% of total production...
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Our Roots Run Deep. Our Foundations Are Strong.
The story of Hy-Line International begins at the turn of the 20th century, when a bright young man named Henry A. Wallace started experimenting with corn plants on his family’s farm in Iowa. These early, modest attempts at genetic improvement planted the seeds of a dream—one that would eventually launch a company and revolutionize agriculture through...
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Innovation, Sustainability, and Quality: Norel’s Approach to Animal Nutrition
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Mike Persia (Virginia Tech) explains the performance benefits of supplementing direct-fed microbials to laying hens, as observed in his research, in this Engormix interview at IPPE 2026 in Atlanta. ...
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In modern hatchery operations every percentage of hatchability and chick quality matters. Among the many invisible threats to incubation success hairline cracks in hatching eggs often go unnoticed yet they can drastically impact outcomes. Understanding what hairline cracks are, how they affect embryo development, and why they should never be set for incubation is crucial for every hatchery professional. What is a Hairline Crack Egg? A hairline crack egg is an egg...
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Veterinary APIs Market Overview: Cost Pressures and Post-Holiday Price Adjustments
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Drew Corneil, McKinley’s current General Manager (Ontario, Canada), discusses the company’s long-term partnership with Hy-Line International, their role in distributing Hy-Line Brown genetics since 1976, Canadian egg consumption trends, and how technical support, research collaboration, and client trust have sustained a nearly century-old family business.
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Alex Woollam of CR & GM Woollam & Son in England explains how working with Hy-Line International for over 15 years shaped their free-range egg business. From strong feed conversion and high egg numbers with the W80 to reduced labor pressure and growing demand for white eggs in the UK, Alex shares why they are now fully committed to Highline genetics despite challenges like bird flu and rising production costs. ...
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Angela Guaiume (Cargill) explains how monitoring hen body condition helps to improve egg production and feed efficiency, while also sustaining laying consistency and reducing feed costs, during this Engormix interview at IPPE 2026 in Atlanta. ...
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Roshan Adhikari (CJ Bio America) speaks on the use of branched-chain amino acids (leucine, isoleucine, valine) and tryptophan in layer nutrition, in this Engormix interview at IPPE 2026 in Atlanta. ...
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Lara Moody (IFEEDER) explains the impact of vitamin supply chain disruptions on meat and egg production, as well as food security, in this Engormix interview at IPPE 2026 in Atlanta. ...
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1. Introduction Eggs offer accessible and affordable sources of high-quality protein along with important micronutrients [1]. With the growing population, demand for table eggs continues to rise [2]. Meanwhile, consumers are demanding improved animal welfare, with a notable shift in table egg production from caged to cage-free (CF) systems [2,3]. Considering the welfare issues in conventional cages (CC), CF housing systems are gaining momentum globally [4,5]. As part of this trend,...
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