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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.
Numerous estimates have been made concerning the total economic losses associated with accidental egg breakage in the table egg industry of the US. Estimates as high as $478 million per year have been published (Roland, 1988). The many estimates vary due to differences in methods of estimating the percentage of eggs cracked or lost and the relative prices used by the authors to establish values. A number of excellent research papers and reviews of the subject have been published...
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IMPORTANCE AND PREVIOUS WORK Less than one-third of the phosphorus (P) contained in feed ingredients of plant origin is biologically available to monogastric animals (NRC, 1994). The remainder of the phosphorus is tied up as phytate (phytic acid or myoinositol hexaphosphate) and monogastrics as a general rule lack the enzyme(s) necessary to hydrolyze phytate down to phosphorus and inositol (Peeler, 1972; Lynch, 1996). Therefore, inorganic...
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Why does man want to alter mother nature’s most perfect food? After all, ‘if it ain’t broke, don’t fix it.’ The desire to alter the composition of an egg is not due to an innate flaw, but rather to produce an egg with unique features. Such features are an increased mineral and (or) vitamin content, lower lipid and cholesterol concentration and altered fatty acid profile. One of the first researchers to document the ability to change the nutrient profile of the egg was Cruickshank...
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A team of scientists from Scotland have recently engineered special kind of chicken, which lays eggs with disease-treating properties.
Previous studies have already made cows, sheep, and goats that pump out protein drugs in their milk, but recent researches carried out by Edinburgh's Roslin Institute claim chickens are a better choice due to their low costs, less acquirement of room, and faster growth.
The team of researchers changed chickens' DNA so that the birds' cells made two...
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Recently, China's artificial products have been under the spotlight in Korea. Several mainstream Korean media have reported on the process of making artificial eggs in China, which has stirred up panic and caused great concern among Koreans. On September 1 and 2, the Munhwa Broadcasting Corporation (MBC) did a documentary titled "Life without products made in China." The show followed the daily lives of three families in South Korea, the US, and Japan who refused to use...
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Having monitored the development of single-stage incubation technologies for several years, Bounty Fresh Foods inc. (formerly Tyson Agro) has elected to install its new broiler hatchery project in Cagayan d’Oro, Mindanao, with single-stage, closed-door Smart Incubators from Pas Reform, the Dutch incubation equipment supplier. The new hatchery, which as the first single-stage operated broiler hatchery in the Philippines will be operational from June this year, will produce 200,000 day...
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One reason for the success of the poultry meat industry has been the consumer perception of a healthy product. Certainly poultry meat contains less fat than do comparable beef or pork products; and in most situations such fat is predominantly unsaturated. Eggs, on the other hand, have suffered more negative consumer attitudes related to health, most of which stemmed from the issue of cholesterol metabolism as perpetuated by the medical profession in...
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Poultry equipment manufacturer Vencomatic is pleased to announce the appointment of Harry Luimes (43) as market development manager for Germany and Scandinavia.
He will be responsible for the market development of the Vencomatic products in these countries, and will work in close contact with the Vencomatic dealers and agents in this area.
Recently, Harry worked for Triova, a Danish hatchery and appreciated dealer of Vencomatic in Denmark. In the past, Harry has gained a lot of...
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An impact of Deoxynivalenol produced by Fusarium graminearum on broiler chickens
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The modern breeder female is a genetic compromise between two very different selection criteria. This parent must have the genetics for rapid and efficient growth, and yet exhibit a high rate of egg production to supply the next generation of broiler chicks. Reproductive problems arising from decades of genetic selection for meat production traits have impaired the reproductive ability of both broiler parents (Siegel and Dunnington, 1985). Managing the ovary of the broiler breeder is...
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A strain of chickens that are naturally blind start reproduction earlier and produce more eggs per cycle than their sighted counterparts, a University of Guelph researcher is finding. Now he’s working to understand what influences the increased production in blind birds. Animal science professor Gregoy Bedecarrats has been studying how light affects reproduction patterns in a flock of blind Smokey Joes, a strain of White Leghorn birds. He says a better understanding of how light...
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The Vencomatic OpenHouseTour2007 took place over 5 days in June when UK poultry producers were given the opportunity to meet Vencomatic dealers in the UK and learn more about the company and its products. The five venues were Broome near Diss, Sampford Peverell in Devon, Hereford, Penrith Cumbria and Immingham in North Lincs.
Main thrust of the meetings was to make existing and potential new entrants into the alternative egg production systems aware of the potential; advantages of...
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Ptitsefabrika Lebiazhe has contracted Dutch hatchery technology company Pas Reform to supply a complete Smart Incubation system for its new grand parent stock hatchery in Shondorova Village, near St Petersburg (Russia). Mr. Willem Schaafsma, General Director of Pas Reform Russia, signing the contract with Mr. Kuksov, General Director of Lebiazhe. The new hatchery will target the production of nine million parents per annum, with capacity for 24 million eggs each year using 12...
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Bacillus Amyloliquefaciens Improves Performance and Gut Integrity in Broilers Fed Low Protein Diets under Necrotic Enteritis Challenge
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Consuming two eggs a day significantly enhances weight loss efforts, according to the results of a new study released this week. The study shows that people who included eggs for breakfast as part of a kilojoule-controlled weight loss plan experienced a 65 percent greater reduction in weight and an 83 percent decrease in waist circumference, compared to a dieting group who ate bagels for breakfast.
The randomised trial placed 152 overweight/obese men and women on a reduced-kilojoule diet for...
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Cal-Maine Foods, Inc. today announced that the Company and Country Creek Farms, LLC, a major egg marketing company, have reached an agreement with George’s, Inc., a major poultry producer, to acquire the assets of its shell egg division located near Siloam Springs, Arkansas.
Benton County Foods, LLC, a newly formed company jointly owned by Cal-Maine and Country Creek Farms, LLC, will be the owner and operator of the facility with Cal-Maine as the majority owner. The assets to be acquired...
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The Australian Egg Corporation Limited (AECL) today assured consumers that the egg industry takes food safety very seriously following reports of salmonella outbreaks in north-west Tasmania. AECL Managing Director, James Kellaway, said that the egg industry in Tasmania is well regulated with respect to food safety, with the vast majority of farmers maintaining very high standards of food safety throughout the supply chain. “Tasmania has some of the safest and cleanest eggs in the...
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Poultry company Farm Pride Foods from Australia has equipped their table egg production facilities with welfare friendly, aviary systems of poultry equipment manufacturer Vencomatic.
The installation contains one rearing house for 40.000 birds and three production houses for in total 120.000 commercial layers. The poultry site is located in Bears Lagoon, Serpentine, north-west of Bendigo, Victoria.
The company has chosen for the Bolegg systems of Vencomatic, as the Bolegg Starter rearing...
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The Centre for Food Safety (CFS) yesterday found that one chicken egg sample from Hunan Province had contained Sudan dye, a cancer-causing substance the mainland has found in some duck eggs earlier. The centre had collected the sample from Sun Sun egg shop at Cheung Sha Wan wholesale market. The shop had imported the eggs from the mainland. Secretary for Health, Welfare and Food York Chow said the government would ban the egg import from Hunan but added that the products...
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Duck eggs containing the carcinogenic dye Sudan Red IV have been pulled from shelves in Beijing, in the latest food scare to hit the city.
The eggs were produced by duck farmers in neighbouring Hebei province who are suspected of adding the dye to the animals' feed to give the yolks a more intense red colour.
Chinese consumers pay more for eggs with red yolks as they believe the red colour is a sign of quality and better nutrition. Some people think that the eggs become red from the...
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The Health Protection Agency and the Veterinary Laboratories Agency are today hosting a conference to discuss the results of an EU-wide survey of salmonella in laying flocks.
Technical experts from the HPA, VLA, Department of Environment, Food & Rural Affairs (Defra), Food Standards Agency, European Commission and the British Egg Industry Council will attend the meeting at the Centre for Infections in north London.
They will discuss the initial results of the European Food Safety...
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After a good starting, the objective of the 4-16 weeks period is to prepare the birds for egg production with an ideal development of: - the frame - the bodyweight - the uniformity - the digestive tract development These objectives could be achieved thanks to: - a correct stocking...
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