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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.
Background Egg quality has received more attention due to increased demands for safety and high-quality eggs by consumers. Internal egg quality involves functional, aesthetic and microbiological properties of the egg yolk and albumen. Internal inclusions (blood and meat spots) in the egg have been recognized as quality defects since 1899 [1]. In addition to being an aesthetic and ethical problem, there is indication that blood or pieces of tissue inside the egg may increase the...
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Broiler breeder genetics are constantly changing as the poultry industry continues to shift more to processed items to meet increasing consumer demands for these products. Strains with the potential for high breast-meat yield in a feed-efficient manner now have the majority of the U.S. market. Genetic improvement over the past 50 years has been nothing short of remarkable. In fact, the six-fold improvement in carcass yield of 2001 broilers fed a 2001 diet...
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Introduction Fungi and their toxic products easily grow in different environmental conditions, especially in humid and warm environment. This situation can happen during harvest, transport and storage. In feedstuff for animals, mycotoxins are undesirable but inevitable. It leads to that mycotoxins taken by farm animals in certain concentration and affect their performance with silent symptoms. Toxi-free PLUS® (Life Rainbow Biotech Co., Ltd. Taiwan) is specially...
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INTRODUCTION Chromium is an essential trace element in animal nutrition which is required for normal metabolism of carbohydrates, proteins and lipids in humans and laboratory animals (Balk et al., 2007). Research activities of different researchers exploring the effect of chromium on the reproductive ability of livestock have been successfully performed (Lindemann et al., 1995; Amoikon et al., 1995), but research on the use of chromium in poultry is very limited. Dietary...
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Effects of soybean meal processing conditions on growth performance and intestinal integrity in coccidia vaccinated broiler chickens
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The International Egg Commission's Avian Influenza Global Expert Group continues its work to help egg producers manage the risk of Avian Influenza.
The recent northern winter has had a very limited number of Avian Influenza outbreaks reported. The IEC’s Avian Influenza Global Expert Group considers that this is no reason for producers, whether southern or northern hemisphere producers, to let their guard down. In technical terms, it is considered that the current wave of...
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INTRODUCTION The White Leghorn chickens are the most productive white egg layer and are used in commercial egg production all over the world. Leghorn breed is single comb and completely covered in dense white feathers and will lay about 250-300 white eggs annually. Leghornhavebeen a preferred for commercial egg production due to smaller size and over the top egg production. The White Leghorn hen is not considered as broody hen, so most of these eggs would have to be...
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INTRODUCTION Feed cost accounts for more than 65% of variable cost of producing poultry products, and energy and amino acids account for more than 90% of this cost (Kiarie et al., 2013). In the recent past, the global feed industry has seen soaring and volatile prices of traditional feedstuffs commonly used in livestock and poultry diets due to competition with the food and ethanol industries (Woyengo et al., 2014). Moreover, in the context of anticipated human population...
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Introduction The Layers are the most productive egg producers in the entire world. The innovative techniques had not been examined to improve energetic potential of hens. In Recent scenario, a hen may be produced annually 280 to 320 eggs (Soomro et al ., 2015). Mostly Leghorn Hens preferred for commercial egg production due to low height, weight and produce the maximum egg production. Different growing techniques are practiced and organized as modern...
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There are many factors that influence the eggshell color. We add the method of eggshell color from the following introduction: 1. Increase 1%-3% blood meal has certain help to increase in chicken eggshell color formula, there may be relationship between iron and blood hemoglobin.
2. We know eggshell components: calcium: 38%: 0.2%; total phosphorus; salt: 0.02%: 8.24ppm; zinc; copper: 20.1ppm; 196ppm; iron: Mn:...
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Introduction Appropriate housing conditions have a significant role in successful poultry farming. Poultry birds are mostly reared on floor and cage systems and need accurate management for better health and production. Commercial poultry farming is suited to planned and managed proper housing conditions for keeping the birds productive and healthy as poultry keepers can increase the production. The Leghorn fowls are the greatest and most productive layers and used for egg...
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Introduction The issue of antibiotics-resistance on animals has raised the concerns of meat safety and human health. The banning of antibiotics- growth promoter in animal feed was announced in EU in 2006. Other countries are starting to follow the regulation to comply with the compulsory withdrawal periods to ensure ‘antibiotics-free’ products. During the ‘antibiotics withdrawal periods’ of livestock, though biosecurity and vaccination program of poultry...
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Eggs were collected from Hy-Line brown flocks aged 33, 50 and 67 wk. Thirty eggs from each flock were analyzed to determine the reliability of MST (MS Technologies, U.K.) cuticle blue stain as an indicator of the presence of cuticle and the effective removal of cuticle by use of an EDTA solution. Another 30 eggs, collected at the same time from each flock, were processed for the quantification of protoporphyrin IX (PP IX) from the eggshell with and without the...
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Effects of superdoses of phytase on peaking Hy-Line W-36 laying hen egg production and egg quality
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Reflecting the continued importance of sustainability to the future of the protein sector, the annual Animal Agriculture Sustainability Summit will once again be held at the 2019 International Production & Processing Expo (IPPE) in Atlanta. The Animal Agriculture Sustainability Summit is scheduled from 9 a.m. to 12 p.m. on Tuesday, Feb. 12, 2019, and is offered free of charge to all registered IPPE attendees.
Sponsored by the U.S. Poultry & Egg Association (USPOULTRY), the...
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Introduction Year after year laying hens are becoming more productive, largely due to great success in genetic improvements. However, this improvement in productivity has made the animals increasingly demanding in nutrition, health and management. From the nutritional point of view, one important requirement is undoubtedly that related to increased egg production and improvement in eggshell quality. The above means an increase in the contribution requirements and the balance of...
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Introduction Modern livestock production is faced with the challenges of producing high quality animal protein at low prices; there has also been an increase in the prices of conventional protein feedstuffs due to competition among ingredients used in the manufacture of animal feed. There is consequently a great need for alternatives that can supply in high demand for such ingredients, in particular for soya bean meal (Chisoro, 2015). Soybean meal is the most commonly used...
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Introduction The demand for food of animal origin is expected to increase in developing countries because of escalation in human population, urbanization and income improvements especially in urban areas (Abdullah et al ., 2011). The poultry sub-sector is one of the major protein sources that can meet the rising demand for protein of animal origin, attributed to the high rate of reproduction and feed conversion efficiency. Moreover, the sub-sector has the potential to...
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The International Egg Commission formally endorsed the following statement on the industry’s use of antimicrobials during the IEC Global Leadership Conference which took place in Kyoto from 9th to 13th September 2018.
The International Egg Commission and its members support, and will promote, the responsible use of all antimicrobials to allow for the long-term safe production of eggs, safeguarding the availability of eggs and egg products for the world’s...
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Doug Korver (University of Alberta) talked about calcium reserves and improving shell quality in egg production, during the 1st PoultryUniverse Coccidiosis Congress in Curitiba, Brazil....
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In Kyoto, the World Egg Organisation (WEO) announced the global egg industry’s pledge to work in partnership with the United Nations, to fulfill its Sustainable Development Goals (SDGs).
The UN’s SDGs represent a shared vision to eradicate poverty and social inequality, and to tackle climate change by 2030. A social contract between the...
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Carlos De Oliveira (Vetanco) shared his experience in the field with disease challenges during egg production. This presentation took place in the 1st PoultryUniverse Coccidiosis Congress in Curitiba, Brazil....
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