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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.
The eggshell color would become more shallow with age growth. The eggshell color would influence the selling price. How do we improve it? ...
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INTRODUCTION The influence of light is a resultant of period, intensity, and colour and wattage power of the lamp. Classen and Riddell, 1989 [4] suggested that birds exposed to increasing photoperiod appeared to be more active. Several workers have examined the effect of light programme on physiological stress of broilers. Buckland et al. (1976)[2] found higher concentrations of plasma corticoids in broilers housed under...
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Introduction Heavy parental flock Hibro PG, brought up in raising facilities, was moved into production facilities. The upbringing of 16800 hens was done in two objects in a single location, and the upbringing of 2150 roosters in the third object of the same location. During the upbringing, no disorders of health was noticed among animals, and an immunoprophylaxis program made in the Scientific Institute for Veterinary...
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The egg industry continues to change and evolve quickly due to increased demand, technology changes and pressures from consumers and government regulators. Also as environmental concerns grow, the egg industry will continue to grow as the egg offers consumers a source of protein with the least environmental impact. Shell egg production and consumption continues to grow in most countries around the world as international trade is relatively...
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INTRODUCTION In Egyptian governorates, the poor storage conditions of market-egg at room temperature especially in summer leads to higher economic losses for producers. Therefore, it is very important to evaluate the egg quality characteristics as well as factors affecting them up to arrive to the consumer in the best condition. The park yard system of the egg production sustains the small families’ economics and...
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A study was conducted to examine the conversion were determined at 21, 35, and 44 d of age. Body weight of birds from the H treatment was signifi- posthatch growth performance of high-yielding broilers cantly less at 21, 35, and 44 d compared with the M birds. when eggs were incubated at 3 different embryo tempera- Birds in the L group weighed significantly less at 35 and tures from 2 ocks of breeders at different ages (different 44 d compared with the M birds....
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Abstract presented at the International Egg Forum 2007 (Belgium). Our gratitude to authors and organizers, especially Mr. Michael Grech and Agra Informa Ltd., for their kind collaboration. It is a mandatory requirement that pasteurised liquid egg products are sufficiently heat processed to ensure the...
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Trends and challenges in Poultry Production: Jonathan Cade, President of Hy-Line International
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A farmer have total birds- 2000, Layer age 90 weeks, hen egg-68%, daily feed consumed- 115 g, lighting hrs-16 hrs daily. egg breakage daily in 25 pc. farm biosecurity is well. what are the possible causes?...
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As has been obvious to everyone, the price of feed phosphates has undergone an almost incredible increase, write Nicholas M. Dale, Extension Poultry Scientist at the University of Georgia, Athens.
A number of reasons can be cited for this, including: increased fertilizer needs to support the levels of corn production stimulated by ethanol policy, a worldwide shortage of sulfuric acid needed for some phosphate manufacture, and the extraordinary energy needs for producing of defluorinated...
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Hens with less cost per unit than most other sources of high quality animal proteins are increasingly seen as an important tool in meeting the needs of a burgeoning world population. Eggs are one product of this versatile food animal. In the past 50 years, selection initially at the breed level and then using quantitive genetics coupled with a sophisticated breeding pyramid, has resulted in a very productive hybrid for a variety of traits associated with egg production. ...
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I ntroduction. Between 2000 and 2010, the production of table eggs in the Dominican Republic (DR) nearly tripled, increasing from 58,000 to 150,000 tonnes (58,000,000 to 150,000,000 kg) (21) . The increase is partially due to a higher average consumption of eggs in the DR (10.3 kg per person) than the world average (8.3 kg per person). The DR also exports...
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Fertile egg production and incubation and production of broiler meat are both an art and a science. People have taken full control of incubating fertile eggs by artificial means to supply the increasing world demand for poultry meat. It is estimated that worldwide more than 35 billion fertile broiler eggs are incubated annually. If eggs were still incubated naturally and broilers raised in small backyard farms, the poultry industry would not have been able to...
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This is the 3rd time to appear like above. Can anybody help me to stop this problem permanently? ...
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Dear friends, please discuss solutions to overcome poor egg quality like shell less, weak shelled and poor albumin quality (even in good looking shelled eggs) after ND/AI or both even when after problem 1. Feed intake is full/upto the standard 2. Culling & mortality is nill and 3. Production has reached up to 70% from 25%. ...
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What shape are the pores in chicken eggs? The pores allow for exchange of air in to the sac to allow the chicken to breath while it is developing in the shell. the pores also allow moisture in to keep up fluids so that the chicken does not dry out on development stage. Why do they pores do this and how does the pore prevent any infection from gaining entry. Is it due to the shape of the pore? What size diameter is the poor on the inner part of the shell and on...
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BMC Genomics 2014, 15:220 doi:10.1186/1471-2164-15-220 The electronic version of this article is the complete one and can be found online at: http://www.biomedcentral.com/1471-2164/15/220 Received: 12 December 2013 Accepted: 11 March 2014 Published: 21 March 2014 © 2014 Brionne et al.; licensee BioMed Central Ltd. This is an Open Access article...
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INTRODUCTION Omega-3 polyunsaturated fatty acids (n-3 PUFA), mainly eicosapentaenoic acid (EPA, 20:5 n-3), docosahexaenoic acid (DHA, 22:6 n-3) and alpha-linolenic acid (ALA, 18:3 n-3), are suggested to reduce the risk of cardiovascular diseases and certain forms of cancer, as well as to improve brain development and function. Due to compelling evidence supporting the health benefits of n-3 PUFA consumption, various...
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Veterinary Immunology and Immunopathology journal, Volume 160, Issues 1–2, 15 July 2014, Pages 1–11 Received 12 December 2013, Revised 29 January 2014, Accepted 3 March 2014, Available online 16 April 2014 DOI: 10.1016/j.vetimm.2014.03.005 Abstract Sepsis is a systemic inflammatory response syndrome during infection....
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