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70 Uppsatser om Laying hens - Sida 1 av 5

Produktionsbur som främjar hönors naturliga beteende

Today?s housing system for Laying hens has limitations for the hens natural behavior. Despite the current law of prevention of cruelty to animals, this might implicate health problems for the hens. This degree project is aiming to improve the situation for Laying hens in cage-systems. The aim with our project is to bring forward a draft of a cage that improves the welfare of Laying hens.

Tungmetaller i metabolismen hos värphöns och slaktkycklingar

Mussel meal is a potential source of protein, with a good composition of amino acids, for Laying hens and broiler chickens, and may replace the use of fish meal in organic poultry production. Lead and cadmium are heavy metals which occur in the environment and can be accumulated in mussels. When poultry are exposed to heavy metals, the metals are absorbed in the small intestine and distributed in the body in the form of ions, complexes or bound to proteins. In poultry, lead accumulates in bone tissue, liver and kidneys, while cadmium accumulates in liver and kidneys. Generally very low concentrations of these heavy metals occur in muscles of broilers which have been exposed to feed contaminated with cadmium or lead.

Effects of genotype, age and feed on the fat components of egg yolk

The aim of this study was to investigate if the hen?s genotype, age and diet affect fat components in egg yolk. The fat components measured were total fat content, phospholipids, cholesterol and the fatty acid profile. This trial involved 12 groups of Laying hens housed in 8-hen cages enriched with perches, dust baths and nests. The genotype Lohmann Selected Leghorn (LSL) and the genotype Lohmann Brown (LB)was used.

Performance of laying hens in a cognitive bias task : effect of time since change of environment

In the debate on laying hen welfare, and specifically housing conditions, the main focushas been on physiological and behavioural measures. What is lacking is knowledge of howthe hen experiences the situation ? her state of mind.This study is an attempt to gain insight into the private mental states of former batteryhens. It uses a cognitive bias method based on spatial judgement, i.e. judgement of aambiguous stimulus placed spatially in between a reinforced and an unreinforced stimulus.This method has previously shown differences in judgement by animals in enriched versuspoor housing.

Bacterial contamination of eggshells in conventional cages and litter floor systems for laying hens in Jordan

In the country of Jordan, egg production is very important economically, but several bacte-ria are involved in food borne diseases transmitted from eggs or other poultry products. The most important are Salmonella spp., Campylobacter jejuni and Escherichia coli. In Jordan two different housing systems are used for hens in large scale egg production; con-ventional cages and litter floor systems. Eggs from four different farms were analysed and compared to see if a difference could be found regarding the presence of pathogenic bacte-ria on the egg surfaces between these two systems. Total number of aerobic bacteria was analysed, the presence of Salmonella spp., C.

Torkad eller gastät lagrad spannmål till värphöns : en fallstudie

The purpose with this study is to compare different systems of grain storage from a financial point of view. Grain that is supposed to be fed to Laying hens. The systems that were compared were different airtight storage of grain and a system of conventional storage. To make this case study I choose to compare four different systems. In the case study there was one system with bin drying of the grain, two systems with airtight storage of the grain and one system where you buy dried grain during the season. I made several of capital investment appraisal where I found the cost of each system, then I took the cost and divided it with the total grain use and calculated the cost for each kilogram of grain, and also the cost of the feed. Then I compared the cost from my case study with the cost of buying feed. All the systems except for one, gave a lower cost for the hen feed than buying feed from a dealer The best system, witch were bin drying lower the cost with about 80 000:- SEK.

Vaktelproduktion för ägg och kött

The aim of this study is to review the commercial quail production for eggs and meat in the world. Another aim is to review the potential for increased production. Globally the quail production is very small, except in China where it is the second largest poultry industry. The production globally is small despite the quail's rapid growth, early sexual maturity and its high feed efficiency. The quail is also used as a laboratory animal and can be reared to be released in hunting areas.

Styrd borrning eller konventionell schaktning : en jämförelse av två rörläggningsmetoder

This is a diploma thesis executed as a part of the examination of the educationalprogram Building engineer ? Construction management at Halmstad University. The aim of the thesis is to compare and evaluate conventional open-cut pipe-laying withhorizontal directional drilling. The thesis includes a comparison of the economic,environmental and time-based aspects of both methods and discusses which factorsthat determine the optimal choice of method.The study is mainly based on previous studies regarding the subject and oninterviews with professionals from the industry.A fictional project with five realistic cases of pipe-laying scenarios was compiled,sent to different companies for calculation, evaluated and compared. Our conclusionregarding when it?s suitable to use which method is entirely dependent on thespecific project.

Finansiering av djurstall :

I conducted this examinasions work because I want to find out how loan to farmes are working and more specific towards younger farmers. What you have to think about before you go to the bank and what the banks are thinking about lending money to farmers. This work is based on an investment plan propasal for 20 000 Laying hens on a farm in the Kalmar area. The investment plan propasals have two diffrent alternetives, one farm on 25 hectares and one on 50 hectares. I have chosen this becouse I wanted to study how the diffrent sizes of farms are changing the banks thoughts about lending money. These investment plan propasals have included four banks with questionnaire and deep interview.

Värphöns : påverkar de ekonomin på växtodlingen

In this degree project we wanted to investigate if there are any possibilities to get a higher income from grain growing by giving the grain to hens instead of selling it. We were also wondering if the manure has any value or if it only cost the egg producer money. If the egg producer cultivate his own grain and is able to store it in layer is there quite much money to earn. Expensive pasture makes it profitability to pay up to 1,35 Swedish crowns for a kilo of wheat. In our calculating we?ve used calculation from the company Lantmännen.

Effect of insoluble fibre enrichment on egg quality in laying hens

Studien var en del i ett större projekt som syftade till att undersöka hur värphöns påverkas beteendemässigt och nutritionellt av ökad konsumtion av olöslig fiber. I det nu aktuella projektet undersöktes hur ökat intag av olöslig fiber påverkar äggkvalitén. Fiberkällan utgjordes av halmpellets som antingen blandades i fodret med 3 % inblandning, alternativt utgjorde strömaterial för att undersöka strömaterialets betydelse som fiberkälla. Två olika hybrider ingick i försöket, 720 Lohmann Selected Leghorn (LSL) och 720 Lohmann Brown (LB), varav halva antalet av varje hybrid hölls i frigående system och andra hälften i inredda burar. Totalt insamlades och undersöktes 180 ägg från varje inhysningssystem då hönorna var 31-32 veckor gamla.

Självarkeologi

Under mina år i skådespelaryrket har jag utvecklat ett allt starkare intresse för dramat mellan raderna i ett teatermanus. Jag vill få syn på hur och vad jag gör när jag arbetar och samarbetar. Min bakgrund som naturvetare har påverkat mitt sätt att se på världen: även konstnärligt är jag starkt inspirerad av ett naturvetenskapligt perspektiv .Jag har formulerat en skådespelarmetod som jag kallar självarkeologi och redogör för dess beståndsdelar genom att låna dramaturgin hos en teaterhändelse: ett läsdrama. Rollkaraktärerna representeras av de grundvalar på vilka strategin vilar. Mina personliga drivkrafter och erfarenheter som tillsammans lett fram till behovet av en metod representerar pjäsens grundkonflikt.

Chefsarbete i en organisationsförändring : Ett kulturperspektiv på struktur, system och arbetsklimat

Syfte: Syftet med studien är att utifrån ett kulturellt perspektiv studera hur den verkställande chefens inställning till parametrarna system, struktur och arbetsklimat formar hens chefsarbete i en organisationsförändring och att genom ett kulturperspektiv bidra till en förståelse för hur de tre parametrarna kan påverka ledarens handlingar i process, mål och resultat av förändringen. Metod: Empiri har samlats in genom personliga intervjuer med öppna svarsalternativ, genom fyra respondenter som samtliga har positionen chef närmast de anställda och samtliga har genomfört en organisationsförändring. Slutsats: I studien har vi kommit fram till att den verkställande chefens inställning till parametrarna påverkar hens chefsarbete vid en organisationsförändring genom att hen formar sitt chefsarbete beroende på vilken parameter som är mest betydelsefull för individen. Vad den verkställande chefen värderar högst i sitt ledarskap skapas genom tidigare erfarenheter, inställning och auktoritet..

Chefsarbete i en organisationsförändring: Ett kulturperspektiv på struktur, system och arbetsklimat

Syfte: Syftet med studien är att utifrån ett kulturellt perspektiv studera hur den verkställande chefens inställning till parametrarna system, struktur och arbetsklimat formar hens chefsarbete i en organisationsförändring och att genom ett kulturperspektiv bidra till en förståelse för hur de tre parametrarna kan påverka ledarens handlingar i process, mål och resultat av förändringen. Metod: Empiri har samlats in genom personliga intervjuer med öppna svarsalternativ, genom fyra respondenter som samtliga har positionen chef närmast de anställda och samtliga har genomfört en organisationsförändring. Slutsats: I studien har vi kommit fram till att den verkställande chefens inställning till parametrarna påverkar hens chefsarbete vid en organisationsförändring genom att hen formar sitt chefsarbete beroende på vilken parameter som är mest betydelsefull för individen. Vad den verkställande chefen värderar högst i sitt ledarskap skapas genom tidigare erfarenheter, inställning och auktoritet..

Ståndort och växtval på takterrasser

In the country of Jordan, egg production is very important economically, but several bacte-ria are involved in food borne diseases transmitted from eggs or other poultry products. The most important are Salmonella spp., Campylobacter jejuni and Escherichia coli. In Jordan two different housing systems are used for hens in large scale egg production; con-ventional cages and litter floor systems. Eggs from four different farms were analysed and compared to see if a difference could be found regarding the presence of pathogenic bacte-ria on the egg surfaces between these two systems. Total number of aerobic bacteria was analysed, the presence of Salmonella spp., C.

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