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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.
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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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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Figure 1. Temperature profile of experimental group in a day in Experiment 1. ...
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Julian Madeley, Director General of the International Egg Commission, talked about initiatives to communicate the benefits of egg consumption around the globe during the Poultry and Egg Summit Latin America VIV 2016 in Buenos Aires, Argentina....
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Dr. Yanhong Zhang (National Corn-to-Ethanol Research Center) gave a presentation on the addition of DDGS to layer diets and its effects on egg quality (lipids, amino acids and minerals), during the 22nd Annual Distillers Grains Symposium in Des Moines, Iowa....
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Training location : École Nationale de Médecine Vétérinaire (ENMV), Sidi Thabet, Tunisia
Dates : 05 -16 November, 2018
OVERVIEW ...
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Concerns about the quality of ingredients and additives used in animal feed is a global and irreversible trend, with the final consumer becoming more aware of the relationship between nutrition and health. ImmunoWall®, besides being a natural ingredient, has proven to be a successful solution to improve both gut health and food safety at low dosages, resulting in an excellent cost benefit for egg producers. Salmonella Enteritidis (SE), the most common serotype associated...
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Maro Ibarburu (Iowa State University Egg Industry Center) discussed layers diets and the effect of using DDGS regarding costs and performance, during the 22nd Annual Distillers Grains Symposium in Des Moines, Iowa....
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Introduction Egg production, as an industrial activity, is always aimed at improving efficiency in production and economy by benefiting from the genetic potential presented by the current strains of commercial egg-producing hens. However, a constant concern lies in good nutrition. Given this aspect, one should be careful with the reduction of crude protein in diets for poultry due to a reduction in potassium levels also caused by the decrease in the soybean meal amount (Murakami...
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1. INTRODUCTION: Gallibacterium anatis is now considered to be an important bacterial disease responsible for decreased egg production in commercial layers, since it causes pathological changes in the reproductive tract and causes also respiratory manifestations in commercial broilers (Bojesen et al., 2003). Gallibacterium was recently established as a new genus within the family Pasteurellaceae Pohl 1981 (Christensen et al., 2003a). Bacteria belonging to this genus had...
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