{"id":52838,"date":"2020-07-29T10:03:15","date_gmt":"2020-07-29T08:03:15","guid":{"rendered":"https:\/\/lohmann-breeders.com\/skill-comes-with-practice-a-report-of-mastering-alternative-egg-production-from-denmark\/"},"modified":"2020-07-29T10:03:15","modified_gmt":"2020-07-29T08:03:15","slug":"skill-comes-with-practice-a-report-of-mastering-alternative-egg-production-from-denmark","status":"publish","type":"post","link":"https:\/\/lohmann-breeders.com\/zh-hans\/skill-comes-with-practice-a-report-of-mastering-alternative-egg-production-from-denmark\/","title":{"rendered":"“Skill comes with practice” \u2013 A report of mastering alternative Egg production from Denmark"},"content":{"rendered":"
How can you manage 83% layers in alternative production systems? Take a look behind the scenes of\r\nthe Danish egg production sector, together with the commercial hatchery LOHMANN Denmark and\r\ntheir Managing Director & Technical Advisor Mr Christian N. Nielsen.

<\/blockquote>\r\n\r\n\r\n\r\n\r\n\r\n\u201cIf you are planning to write a book or start\r\nproducing a new product, you typically need\r\ntwo things before you start : 1) a goal 2) a\r\nplan to get where you want to \u2026 we also\r\nneed these things with our alternative egg\r\nproduction system.\u201d<\/em>

\r\n\r\n\r\n\"\"\r\n

\r\n\r\n\r\n\r\nDenmark has a population of 5.7 million\r\ninhabitants. Each person eats on average\r\n246 eggs (incl. egg product) a year. Imports\r\nof eggs are low, but exports are a growing\r\nmarket. The total number of laying hens in\r\nDenmark for table egg production is about\r\n3.7 million – with a share of about 80% of\r\nwhite birds and 20% of brown birds (LSL LITE\r\nand LB LITE).

\r\n\r\nOf the 3.7 million hens in production,\r\n15% are from enriched cages, 40% from\r\nbarn systems, 10% from free-range production\r\nand 35% are housed in organic systems.\r\nThese birds are kept at about 110 farms in\r\ntotal.
Egg producers in Denmark are paid\r\nper egg, with the highest prices for medium\r\nand large, slightly lower prices for extra-large\r\nand the lowest price for small eggs. Typical\r\nflock size in Denmark for barn and organic\r\nproduction is around 20.000\u201330.000 hens.

\r\n\r\n\"\"\r\n

\r\n\r\n\r\nFig.1 <\/strong>Share of laying hens in Denmark from 2015 until 2018 \u2013 percentage of hens housed. | Source:<\/strong> LOHMANN Denmark ApS<\/em>\r\n

\r\n\r\nOur goal in Denmark is similar to that\r\nin most other countries: we want full\r\nfeathered birds until the end of production,\r\nthe highest number of saleable shell eggs\r\nin medium\/large (89-91%) and low mortality.\r\nBut how do we achieve this?

\r\n\r\nIn the last five years, alternative egg\r\nproduction has grown tremendously in\r\nDenmark. I would like to share the key\r\ntools we have learned to use to achieve\r\nsuccess in this production system. Different\r\ntools might be used in organic, free\r\nrange and barn egg production.

\r\n\r\n\r\n\"\"\r\n

\r\n\r\n\r\nSource:<\/strong> LOHMANN Denmark ApS<\/em>\r\n

\r\n\r\n\r\nYou need a plan!<\/strong>

\r\n\r\nRearing is a key factor for your profitability\r\nduring egg production, so a plan\r\nfor this period is required. What time of\r\nyear do your layers go into production?\r\nDo you want eggs at an early or late\r\nage? Do you want large or small eggs?\r\nWhat is the feed strategy during rearing?\r\nWhat is your vaccination schedule?\r\nWe have achieved huge success by\r\nplanning all these factors before the chick\r\nis a day old.
We call this \u201ca customised road\r\nmap\u201d, and it should fit onto a single A4\r\nsheet of paper. The hatchery is the main\r\ndriver of this plan which is drawn up in\r\ncooperation with the rearer, egg producer,\r\nfeed mill and veterinarian.

\r\n\r\n\r\n\r\n\"\"\r\n

\r\n\r\nSource:<\/strong> LOHMANN Denmark ApS<\/em>\r\n

\r\n\r\n\r\nOnce the plan has been established, it\r\nis vital to follow the details of the plan. The\r\napproach may also need to be adapted if\r\nrearing has not proceeded as planned. The\r\nfactors to achieve success and the tools\r\nwe use are listed below:

\r\n\r\n\r\n\u2013 Top quality day-old chicks are essential\r\nfor a good start. Average 1st week\r\nmortality below 1% is preferable.

\r\n\u2013 Bodyweight and uniformity at 5 and\r\n10 weeks must be in line with the\r\nstandard or above (skeletal and brain\r\ndevelopment), since it is impossible\r\nto make up for any deficiencies later\r\n(the bird is primary gaining fat during\r\nweeks 12-17).

\r\n\u2013 Adapt the lighting intensity as a preventive\r\nmeasure, especially from week\r\n3-4 onwards.

\r\n\u2013 Inspect feather cover daily. Hold the\r\nbirds in your hands. Sit down for\r\nfive minutes and watch your flock\u2019s\r\nbehaviour and listen to the sounds\r\nthey produce.

\r\n\u2013 During long summer days, rearing\r\nwhich takes place outdoors must follow\r\na daily light routine. That means,\r\nfor example, stimulating the flock to\r\nbecome active at midday (12.00 hrs)\r\nand to sleep in the evening at 22.00\r\nhrs (10 hours of activity). It is important\r\nto ensure the house is daylightproof,\r\nso the flock sleeps until midday.

\r\n\u2013 During the rearing period, the gizzard\r\nand intestines develop. It is important\r\nto provide your birds with coarse\r\nfeed; coarse oats are a highly valuable\r\nsource of structure. Furthermore, we\r\nnormally provide lucerne (alfalfa). This\r\nhelps develop their digestive system function, but also encourages the birds\r\nto peck at the lucerne as a distraction.\r\nWe also provide the birds with 2 grams\r\nof small stones (2.00-3.55 mm) for the\r\ngizzard every two weeks from oneday\r\nold until the end of production.\r\nThis grit acts like a grinding stone in\r\nthe gizzard. Organic and free range\r\nbirds typically source this grit in their\r\noutdoor rearing area as natural gizzard\r\nstones. The image below shows an\r\nautopsy of a 30-week old organic LSL.\r\nApprox. 30% of the gizzard was filled\r\nwith natural gizzard stones.

\r\n\u2013 Feed intake at the end of rearing should\r\nbe at least approx. 70 g per day at age\r\nof 16 to 17 weeks. We consider feed\r\nintake of 60 g as too low. A high stocking\r\ndensity or high temperatures can cause\r\na low feed intake. Not providing the flock\r\nwith coarse feed, roughage or similar, can\r\ncause insufficient feed intake.\r\n\r\n\r\n\r\n\"\"\r\n

\r\n\r\nSource:<\/strong> http:\/\/www.hartog-lucerne.com\/en\/<\/em>\r\n

\r\n\r\n\r\n\r\n\r\nToo low feed intake at the end of rearing\r\noften results in a too low feed intake at the\r\nstart of production. Therefore, this is one of\r\nour key focus areas.

\r\n\r\nWe tend to see a much better feed\r\nintake in organic production at transfer.

\r\n\r\n\r\n\r\n\"\"\r\n

\r\n\r\nSource:<\/strong> LOHMANN Denmark ApS<\/em>\r\n

\r\n\r\n\r\nWhat have we learned during the\r\nproduction period?<\/strong>

\r\n\r\nOur most successful production is organic\r\nproduction. Free range and barn egg production\r\ncould learn from this production\r\nstrategy. So what is behind the success\r\nof organically reared flocks? The birds also\r\nhave outdoor access during rearing.
On\r\naverage, maybe 75% of the birds venture\r\noutside the house, so the stocking density\r\nindoors is lower. The birds can exhibit\r\ntheir natural behaviour outdoors. Take 10\r\nminutes to sit and observe their behaviour\r\noutdoors \u2013 it is amazing to see how active\r\nthey are. Continuously searching and\r\nscratching \u2013 they are always on \u201ca voyage\r\nof discovery\u201d. Outdoors they can also eat\r\ngrass, worms, stones, etc. If they are unable\r\nto go outdoors, how can we provide the\r\nsame opportunities indoors?

\r\n\r\n\r\n\r\n\"\"\r\n

\r\n\r\nAdapted by<\/strong> R. Pottgu\u0308ter, LOHMANN TIERZUCHT GmbH<\/em>\r\n

\r\n\r\n\r\n\r\nOur general recommendations are\r\nvery BASIC \u2013 but, please listen to\r\nthese basics \u2013 they are crucial!<\/strong>

\r\n\r\nAlways keep floor\/litter material dry. Birds\r\nexhibit their natural behaviour on the floor\r\n(not in the system, apart from eating, drinking\r\nand sleeping). They search and scratch\r\nand clean their feathers. We recommend\r\nkeeping a distance of at least 2 m between\r\naviary systems, so the birds are forced to\r\nuse the floor instead of jumping or flying\r\nfrom system to system.
You might prefer to\r\nplace more aviary systems in your house\r\nso more birds can be kept, but please be\r\naware that this will decrease the chance of\r\noptimal results. Birds are supposed to sleep\r\nin the system and use the floor for activity.\r\nKeep your floor\/litter dry AT ALL TIMES!<\/strong>

\r\n\r\n\"\"\r\n

\r\n\r\nSource:<\/strong> R. Pottgu\u0308ter, LOHMANN TIERZUCHT GmbH<\/em>\r\n

\r\n\r\n\r\nThe most fundamental piece of advice:\r\nuse COARSE feed. Do NOT grind the\r\nraw material into fine particles or dust: for\r\nseveral reasons. Coarse feed slows down\r\nthe speed of passage through the digestive\r\ntract, gizzard and intestines. It provides\r\nbirds with a feeling of being sated and helps\r\nto continuously develop the gizzard and\r\nintestines.
Numerous trials have proven the\r\npositive effects of a large, well developed\r\ngizzard and how the enzymes work in this.\r\nCoarse feed often also produces drier\r\nmanure. If the manure is too wet, the hens\r\nare often more dirty. Dirty hens frequently\r\nhave poorer feather cover or are more\r\nlikely to be pecked by other birds. Wet manure\r\nis also a sign of sub-optimal functioning\r\nintestines \u2013 digestion is not optimal\r\nand insufficient nutrients are absorbed.

\r\n\r\n\r\n\r\n\"\"\r\n

\r\n\r\n\r\nIf the intestines are not functioning\r\noptimally, hens will often start to eat feathers\r\n\u2013 a typical sign – before they start to\r\npeck each other. What can we learn from\r\nthis? Always keep the intestines in optimal\r\ncondition (think about yourself \u2013 how do\r\nyou feel when your manure is wet and\r\nyour stomach is not working optimally?)

\r\n\r\n\r\n\r\n\"\"\r\n

\r\n\r\nAdapted by<\/strong> R. Pottgu\u0308ter, LOHMANN TIERZUCHT GmbH<\/em>\r\n

\r\n\r\n\r\nWe also balance amino acids in our\r\nfeed, according to the guide provided by\r\nthe genetic company. The amino acids\r\nare balanced according to the feed intake.

\r\n\r\nA great tool to maintain a good intestinal balance\r\nis oats \u2013 COARSELY<\/strong> ground oats!! We\r\nhave learned this from Sweden and Finland,\r\nbut also from our own results. We find that\r\nour birds are kept calm by being given 10-\r\n15% of coarse oats (including the oat hulls).\r\nWe always have a lot of feathers on the\r\nfloor and the birds maintain good feather\r\ncoverage. Trials have been performed that\r\ndemonstrate how oats can reduce the number\r\nof feathers found in the birds (gizzard).

\r\n\r\n\r\n\r\n\"\"\r\n

\r\n\r\nAdapted by<\/strong> R. Pottgu\u0308ter, LOHMANN TIERZUCHT GmbH<\/em>\r\n

\r\n\r\n\r\nOats are very rich in fibre and magnesium.\r\nMagnesium also contributes\r\nto providing calcium and is beneficial to\r\nrelax the muscles and reduce tension.\r\nSimilar to during rearing, using a good\r\nlight plan as a preventive measure is important.\r\nDo not apply too high light intensity\r\nat the beginning. From week 25\r\nwhen floor eggs have stabilised below\r\n1%, we normally reduce the light intensity\r\nas a precautionary measure. We recommend\r\na warm white light of 2700 kelvin.

\r\n\r\n\r\n\r\n\"\"\r\n

\r\n\r\nSource:<\/strong> DLG | LOHMANN Denmark ApS<\/em>\r\n

\r\n\r\n\r\nDuring production we also recommend\r\nproviding lucerne, gizzard stones,\r\npick stones, etc. Organic egg producers\r\nare obliged to supply roughage. They\r\ntypically supply roughage comprising\r\nmaize\/corn\/peas\/lupine or a mix, generally\r\nat a dose rate of 10-15 g\/bird\/day.\r\nAnother basic: COARSE CALCIUM<\/strong>. Please\r\ndon\u2019t neglect this!! Try to find a way of supplying\r\ncoarse limestone at the right time of\r\nthe day (when it is needed).
A few Danish\r\negg producers only have 2% calcium in their\r\nfeed. During the afternoon (last 8-10 hours of\r\nthe day), they add +6% of coarse limestone\r\n(approx. +2% calcium) to the feed. Trials run\r\nby a nutrition company visualised the birds\u2019\r\nbehaviour and when they specifically need\r\ncalcium. The results show that a bird primarily\r\neats calcium eight hours after waking up.

\r\n\r\n\r\n\r\n\r\n\"\"\r\n

\r\n\r\nSource:<\/strong> R. Pottgu\u0308ter, LOHMANN TIERZUCHT GMBH | Adapted by<\/strong> R. Pottgu\u0308ter,\r\nLOHMANN TIERZUCHT GmbH<\/em>\r\n

\r\n\r\n\r\n\r\nIn Denmark, we often perform an autopsy\r\nat approx. 13.00 hrs in the afternoon. At\r\nthis stage the egg for the next day is ready,\r\nbut still has a very soft shell. When we move\r\nour fingers over the egg surface we can feel\r\nthat the shell is starting to be formed on\r\nthe outside \u2013 this supports the trials and\r\nthe understanding of the birds\u2019 behaviour.

\r\n\r\n\r\n\r\n\"\"\r\n

\r\n\r\nSource:<\/strong> nutreco<\/em>\r\n

\r\n\r\n\r\nOur focus is also shell stability\/elasticity\r\nduring the entire production period.\r\nElasticity comes from protein and\r\nprotein comes from the liver. In other\r\nwords, we always need a healthy liver.\r\nWe continuously observe the number\r\nof worms (worm eggs in manure) and also\r\nwhen we perform an autopsy.
We have observed\r\nthat worms cause our birds a lot of stress\r\n\u2013 so worms are a critical factor!! Due to this\r\nthe birds are given regular worm treatments.\r\n\r\n\r\n\r\n\"\"\r\n

\r\n\r\nSource:<\/strong> Efficient Control, Denmark \u2013 example<\/em>\r\n

\r\n\r\nChristian Nielsen<\/em>

","protected":false},"excerpt":{"rendered":"How can you manage 83% layers in alternative production […]","protected":false},"author":15,"featured_media":52839,"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-52838","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-poultry-news-zh-hans","issue-1-2018-zh-hans","yeararchive-2018-zh-hans","yeararchive-2019-zh-hans","authors-christian-nielsen-zh-hans"],"acf":[],"yoast_head":""Skill comes with practice" \u2013 A report of mastering alternative Egg production from Denmark - Lohmann Breeders<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lohmann-breeders.com\/zh-hans\/skill-comes-with-practice-a-report-of-mastering-alternative-egg-production-from-denmark\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\""Skill comes with practice" \u2013 A report of mastering alternative Egg production from Denmark - 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