{"id":52381,"date":"2020-08-27T15:59:29","date_gmt":"2020-08-27T13:59:29","guid":{"rendered":"https:\/\/lohmann-breeders.com\/different-housing-systems-for-parent-stock\/"},"modified":"2022-03-04T16:25:21","modified_gmt":"2022-03-04T15:25:21","slug":"different-housing-systems-for-parent-stock","status":"publish","type":"post","link":"https:\/\/lohmann-breeders.com\/zh-hans\/different-housing-systems-for-parent-stock\/","title":{"rendered":"Different housing systems for parent stock"},"content":{"rendered":"<blockquote>Developments of housing systems for parent stock have not ceased. Besides traditional floor housing,\r\nseveral other systems have made their entrance in the layer breeding sector. An overview of the most\r\nimportant housing systems and their key aspects. <\/blockquote>\r\n\r\n<br><br>\r\n\r\n<H2>Cages<\/H2>\r\nFor those who consider switching to a\r\nnew housing system there are various options. The advantage of the classic cage\r\nsystem is mainly in the rare occurrence of\r\nfloor eggs. In addition, it offers overview\r\nin the poultry house, good climate and\r\nhygiene possibilities and a good working\r\nenvironment. \u201cAs groups are smaller, social\r\nstress occurs less among the birds\u201d, knows\r\n<strong>LOHMANN TIERZUCHT<\/strong>\u2019s Area sales Manager Pieter-Jan Luykx. \u201cIt is possible to divide parent stock into smaller groups when\r\nthey are kept in cages. This allows several\r\nstrains of parent stock, such as <strong>LOHMANN<\/strong>\r\nLsL and <strong>LOHMANN<\/strong> Brown, to be kept in\r\nthe same house, and it makes it easier to\r\nseparate the different strains.\u201d <br><br>\r\n\r\n\r\n<em><H2>Point of attention for cage housing<\/H2><\/em>\r\nIn cage housing (in groups) keeping the\r\nlegs shape is vital. This is particularly relevant for the males. Usually a male percentage of 6 to 7 percent is sufficient if the\r\nquality of the males is correct. Determine\r\nthe hen-male ratio based on the size of the\r\ngroup. If needed, group size may be varied\r\nby combining two or more groups (cages).<br><br>\r\n\r\n\r\n<H2>Veranda system<\/H2>\r\nIn the past the standard veranda system,\r\nin which birds are confined, showed\r\nmixed results. That is why in the Netherlands farmers acquired experience in \u2018opening the veranda system\u2019. This involved\r\nopening the cages after the acclamation\r\nperiod, which is around 28 \u2013 30 weeks of\r\nage, allowing the birds, after opening the\r\ncages, to scratch outside their cages. As a\r\nresult, breeding results improved during\r\nthe second half of the laying period. The\r\nplumage of the hens remained in better\r\ncondition as male toenails causing feather\r\ndamage on the back of the female during\r\nmating \u2013 grow less quickly by scratching\r\nthe floor. \u201cThis combines the benefits of\r\nboth floor housing and cage housing: minimum floor eggs, the birds show better\r\nsocial behaviour and the poultry house\r\noccupancy has improved\u201d, Luykx lists. \u201cClimate can be managed more easily, litter\r\nquality is better and the system has labour\r\nand management benefits.\u201d <br><br>\r\n\r\n\r\n<em><H2>Point of attention for cages using a veranda system\r\nThe veranda system, however, is not cheap.<\/H2><\/em>\r\nPlus the concept is not applicable in every\r\nhouse. This is determined by the layout of\r\nthe house. In general, feed intake is more\r\nefficient in cage systems. \u201cAnother point of\r\nfocus is the number of males. They tend to\r\nbe over-represented in cage- and veranda\r\nsystems. If you need to to add or switch\r\nmales, then choose to switch all males in\r\none section, allowing a new social order\r\nto be established. A single added male will\r\nnot be accepted by the other hens and\r\nmales will not survive.\u201d <br><br>\r\n\r\n<H2>Non-cage systems<\/H2>\r\nGlobally a large number of parent stock is\r\nkept in traditional floor systems. These systems occur on every continent, often in a\r\nunique, specific set-up, with varying automation levels. For instance, in several countries collecting eggs is not automated.<br><br>\r\n\r\n\r\n<H2>Non-cage systems with aviary systems <\/H2>\r\nThe so called aviary system is gaining popularity in the layer parent stock business.\r\nThis is particularly the case in western europe. This development is mainly driven by\r\nthe upscaling of parent stock farms and by\r\nlocal regulations concerning dust and ammonia reduction. Aviary systems are often\r\ninstalled in former traditional floor houses.\r\nAs in traditional floor houses, parent stock\r\nmay roam freely. By installing multiple row\r\nsystems additional living layers are created which in turn create additional living\r\nsurfaces and related nests and feeding\r\nand drinking lines. As a result up to twice <br><br>\r\n\r\n\r\n\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lohmann-breeders.com\/media\/2020\/08\/pic49.jpg\" alt=\"\" width=\"653\" height=\"800\" class=\"imgcenter\" \/>\r\n\r\n<br><br>\r\n\r\nthe number of parent stock can be kept in\r\nthe same system. The aviary system offers\r\nseveral variants and most well-established\r\nsuppliers of stable equipment have one\r\nor more equipped aviary system for parent stock. Both the height of and under\r\nthe system and the position of feed and\r\nwater in regular aviary systems for laying\r\nhens have often been adjusted. After all,\r\nthe male, being considerably larger than\r\nthe hen, must live in the system as well.\r\nLuykx: \u201cAs a floor housing system with aviary system can accommodate more birds,\r\nheat production rises. Particularly in countries with cool weather conditions this will\r\nlead to a more stable temperature in the\r\npoultry house, making it easy to ventilate\r\nbecause there is more warm production\r\ncaused by higher bird density. Moreover,\r\ntoday all suppliers of floor housing and\r\naviary systems ought to be capable of\r\nsupplying laying nests which guarantee a\r\nperfect egg quality.\u201d <br><br>\r\n<em><H2>Point of attention for floor houses using\r\naviary systems<\/H2><\/em>\r\nThere are still risks associated with the transition of eggs from the nest belt to the crossconveyor belt. Transitions must be checked\r\nregularly for the correct adjustments. stay\r\nfocused on this, especially in the production\r\nof hatching eggs. This has a direct negative\r\neffect on the breeding results.\r\n\r\n<br><br>\r\n<H2>Aviary housing<\/H2>\r\nIn comparison with traditional floor\r\nhousing, aviary housing offers a better climate due to the fact that there is less ammonia in the house. Manure is removed at\r\nleast once per week and the heat production of the birds allows better ventilation.\r\nOptionally the manure on the belts can be\r\nadditionally dried by aeration. Moreover,\r\naviary systems can also be equipped with\r\nmanure belts and aeration. This is beneficial to the climate in the house as well.\r\nToday, litter can be removed automatically\r\nin modern aviary systems. \u201cThe litter is partially removed together with the manure\u201d,\r\nLuykx explains. \u201cThis reduces labour and\r\nthe risk of floor eggs. It improves the climate in the house, as less dust is produced.\u201d<br><br>\r\n\r\n\r\n<em><H2>Point of attention aviary system<\/H2><\/em>\r\nKeep in mind an aviary system requires a\r\nhigher truss height than a floor housing\r\nsystem. whether it concerns existing or\r\nnewly built houses, it is highly recommended to choose a house with sufficient volume and plenty of space above the system, to ensure the airflow is not disturbed.<br><br>\r\n\r\n\r\n<H2>Combination systems<\/H2>\r\nIn the past few years the popularity of so\r\ncalled \u2018combination systems\u2019 has been\r\nrising in commercial layer hen houses.\r\nThough they are deployable for parent <br><br>\r\n\r\n\r\n\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lohmann-breeders.com\/media\/2020\/08\/pic50.jpg\" alt=\"\" width=\"660\" height=\"800\" class=\"imgcenter\" \/><br><br>\r\n\r\n\r\n\r\nanimals there is an increased risk of dirty\r\neggs. A hatching egg should be produced\r\nin a nestbox. In a \u2018combination system\u2019 this\r\nis not always the case. It is often difficult or\r\neven impossible to keep eggs produced in\r\nnests and system separated. This increases\r\nthe risk the hatching eggs may get contaminated. \u201cIf these system eggs get moved onto different conveyors and can be\r\ncollected separately there is no problem\u201d,\r\nLuykx notes. \u201cIt is a no-go to put eggs from\r\noutside a nest into one. These should be\r\ncollected separately and put with the second type of egg at all times.\u201d <br><br>\r\n\r\n\r\n<H2>Management and automation<\/H2>\r\nKeep in mind that management of the\r\ndifferent housing systems may vary. \u201cThe\r\nhousing system for the rearing period\r\nmust be selected with care: cage rearing\r\nfor cage production and aviary rearing\r\nfor aviary production. switching from a\r\nground- to a cage system is possible, but\r\nis not optimal, in particular for the males\u201d,\r\nLuykx says. \u201csystems using manure belts\r\nhave the distinct disadvantage of a mandatory weekly cleaning. The manure pit is\r\noften located under ground. This makes it\r\ndifficult to clean, which brings with it a variety of risks of vermin in the stable.\u201d These\r\ndays the discharge belt can be placed on\r\nthe even floor instead of in a pit. There are\r\nalso belts on wheels that can be moved after shifting the manure. The belt then stays\r\nin the stable and can be closed air-tight.\r\nThe newest development is a series of\r\ncentral, automatically sealable covers above the discharge belt. After opening the\r\nmanure will fall through these and onto\r\nthe belt. This prevents drafts and enhances the climate in the stable. A bad climate\r\nenhances the risk of e-coli infections and\r\nother diseases, which can be followed by\r\ndisastrous results. \u201cOn modern reproduction farms, the climate should not be a\r\ntheme but it is still a point of attention\u201d, so\r\nLuykx says. \u201cwhen considering the climate, make sure there is enough space between the system and the floor. This goes\r\nfor both cage- and aviary systems. This\r\nimproves air circulation and vermin has no\r\nchance to hide.\u201d <br><br>\r\n\r\n\r\n<H2>How to choose a new housing system?<\/H2><br>\r\nAre you considering to purchase a new\r\nsystem? we would like to offer you some\r\nadvice to get you started.<br><br>\r\n\u203a Make an inventory of the key aspects\r\nthat count as most important to you. A\r\nclear overview will help you to make the\r\nright choices which enable keeping parent stock over the coming decades.<br><br>\r\n\u203a A new housing system requires a considerable investment. Therefore, take time\r\nto be informed about the latest techniques. examine systems with potential\r\nsuppliers, but also take the trouble of\r\nworking in a company with a similar system for several days.<br><br>\r\n\u203a substantiate your decision with reliable results, facts and experiences of other breeders. Learn from other people\u2019s mistakes.<br><br>\r\n\u203a Prepare yourself well. This is the first step\r\nof mastering the management of the\r\nnew housing system.<br><br>\r\n\u203a <strong>LOHMANN TIERZUCHT<\/strong> may be of service\r\nin this matter.<br><br>\r\n<strong>Pieter-Jan Luykx<\/strong><br><br>\r\n<em>Photos provided by\r\nTer Heerdt Hatchery, The Netherlands,\r\nBig Dutchman, Germany<\/em>\r\n\r\n\r\n<br><br>\r\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/lohmann-breeders.com\/media\/2020\/08\/pic51.jpg\" alt=\"\" width=\"567\" height=\"800\" class=\"imgcenter\" \/>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n","protected":false},"excerpt":{"rendered":"Developments of housing systems for parent stock have n [&hellip;]","protected":false},"author":15,"featured_media":52383,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":""},"categories":[2335],"tags":[],"class_list":["post-52381","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-poultry-news-zh-hans","issue-2-2015-zh-hans","yeararchive-2015-zh-hans"],"acf":[],"yoast_head":"<title>Different housing systems for parent stock - 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