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2669 Uppsatser om Beef production - Sida 2 av 178
International and national genetic evaluation of beef cattle : validation of national genetic evaluation models
After a workshop in Kuopio held in June 2006, Interbull decided to go forward with the development of a system for beef international genetic evaluation and a three year project called Interbeef was launched in June 2007. The participating countries are so far limited to Europe and the only trait evaluated at present is adjusted weaning weight (weight at 200 days). The results from a first international genetic evaluation have been shared with the countries but are not yet official. The evaluation is based on data from purebred Charolais and Limousin. To achieve good estimates of proofs in an international context it is important that methods for data validation and model selection are implemented.
New registrations in Swedish beef cattle breeding - with focus on temperament and cow weight
In today?s genetic evaluation of Swedish beef cattle, mainly traits that are directly related to productivity are measured. However, other traits, such as temperament and mature cow weight affect the economy of the farmer, as well as the welfare of the animals. This thesis evaluates possible ways of measuring new traits, with focus on temperament and mature weight of suckler cows. The goal is to examine the possible benefits of including these traits in the Swedish breeding scheme.
Produktkvalitet på svenskt nötkött : en kartläggning av kvalitetsfaktorer inom IP Sigill
Sigill Quality Systems has been certifying beef since the autumn of 2006 using the brand
name label Swedish Sigill. IP Sigill (the certifying system for integrated production)
encompasses the values: animal ethics, food safety, free range and environmental concerns. Product quality is not yet one of these values, and there is a variation in the quality of Swedish beef. Swedish Sigill wanted to investigate the factors that influence product quality, review which of the present regulations that have an influence on product quality and formulate new regulations with the purpose of enhancing the product quality (sensorial, technological and nutritional quality).
A survey of quality parameters and factors that influence product quality was done in order to establish a scientific foundation to work from.
Neospora caninum hos köttdjur i Sverige :
Neospora caninum is an intracellular parasite that was first recognized in dogs in
1984. The parasite is now one of the most commonly diagnosed infectious causes
of abortion in cattle word wide. N. caninum is transmitted to cattle in two ways.
They may be infected from eating food contaminated with oocysts from a
definitive host or they may be infected in utero from an infected mother. The
infection is transmitted efficiently from cow to her offspring and this can occur
for generations.
Avel för hållbarhet och livslängd hos köttdjur
The purpose of this literature study was to investigate the possibilities to improve longevity and stayability of beef cattle with breeding. The breeding goal for beef breeds is to produce animals with high capacity for growth and good feed efficiency. Longevity and sustainability are two important features to include in the breeding goal. If longevity is increased each cow can produce more calves and the number of female calves used for recruitment can be reduced and only the best heifers need to be selected for breeding. The benefits of longer life is that it lowers the costs of recruitment animals, it increases the number of young animals that become available for slaughter, and it increases the proportion of high producing animals in the herds.
Nystartande av nötköttsproduktion med och utan bidrag :
Many dairy farms doesn?t keep their bull calves and cross cow calves, they sell them to
breeders instead of raising them their self. It should be possible for the dairy farmers to do it
them self?s. There is also a possibility to bread one calf from the cross heifers.
The purpose of the investigation was to see if there is any economic possibility to breed beef
cattle.
I have used the same sample farm trough the hole study, because it would be easier to fallow
the study.
Kokvigeproduktion baserad på köttraser : en fältstudie
Most of the Beef production in Sweden has been integrated with milk production. Since the 1990:s, the number of dairy cows has decreased. A specialised Beef production has developed in purpose to compensate for this decrease. The consumption of beef have increased in the last decade, but the Swedish production has no followed this trend. In 2004, the percentage of beef self-sufficiency in Sweden was 60 %.
Use of oxytocin to improve diagnosis of subclinical mastitis caused by Staphylococcus aureus
Mastitis, inflammation in the udder tissue, caused by S. aureus is a big problem in dairy cattle production. It causes suffering for the cow and curing or replacing the infected cow is costly for the farmer. It is known that beef cattle also suffer from mastitis caused by S. aureus.
Val av produktion vid generationsskifte :
The objective of this thesis was to get more knowledge before an alternation of
generations.
In theses I have chose to make two drawings, one for dairy cows and one for cattle
rearing. The drawings are made for a future alternation of generations at my parental
home in the province Dalarna.
The results are made out of educational visits at different farms and literature
investigations. Those dairy farms who I visited had different milking system at each
farm and the cattle farm I visited had Beef production. The farms are placed in the
middle and south of Sweden.
At 1998 the Swedish Board of Agriculture decided to change the stall breadth and
stall length and the result of this is that many farmers had to rebuild their cattle- and
dairy buildings or end farming..
Uppbyggnaden av ett foderstatsprogram för dikor :
The object with this work was to create a simple feeding program for beef cows. Another object was that I could learn more about the properties and functions of Excel and Visual Basic.
I used parts of a program I designed a few years ago. This old program was neither user friendly nor had it an appealing layout.
Initially I decided how I wanted the new program to appear and on which foundation it should be built. I designed various forms into a spread sheet, such as lists and multiple choice buttons. Using VBA (Visual Basic for Application) I could create macros, which used the information chosen in the lists and with the multiple choices to calculate the feeding requirement or the feeding plan.
Avvägning mellan ordersärkostnad och lagerhållningskostnad i processindustrin
Lean Production is used by many manufacturing companies. Companies in process industries do not use Lean Production to the same extent today. This is part of the report's issue to explore how Lean Production can be applied to a company in the process industries.The investigated company is a processing company that manufactures various types of foil. The company wishes to streamline its production and has therefore asked the authors to examine if Lean Production can offer the company improvements in their production. Lean Production value stream mapping tool has been selected to identify and analyze the current state of two of its products in production.
Mervärden inom svensk nötköttsproduktion : kommunikation och drivkrafter
Today a lot of consumer and media interest lie in food production. Food is something everyone of us has a relationship to hence foodstuff and their making is a topic of current interest.Cattle?s rearing is one of many factors that have begun to play a bigger role when consumersare selecting beef from the shops? meat counters. This may well be a result of productdiversification and greater investments towards marketing. Many cattle rearers considerseveral grounds for added values being linked to their products and consumers are becomingmore aware of these primary sector related added values.
Utvärdering av ett optimeringsprogram för produktionsplanering.
The aim of this thesis is benchmarking of the program, based on dynamic programming, that earlier was written to imitate the production planning at TSS.This thesis starts with a chapter about the construction of the DP-program, a shorter description of one and each of the program parts and also a list over the in- and output data in each program part. The DP-program consists of six linked MATLAB-files that together produce an optimized production plan for the different planning groups at TSS. The program reads in and reformat the given data and optimize the production of the articles in one group. Finally it compounds all article production plans and give us a production alternative.After running the program with new data the result shows, resembling with previous results, that TSS could be able to make some distinct cost-savings. According to the program, a 50 % decrease of TSS production costs is possible. .
Säker hantering av lösgående nötkreatur :
After I heard that two deadly accidents in farming 2003 were created by work with
cattle, I got the idea of writing this degree project. So far there are not too many reports
written about safety for the worker nor the animal. Therefore it will fit in with a report
about safe handling of free stalled cattle.
The Swedish Board of Agriculture would also like to do an information material about
outside stalled cattle with this degree project as a background.
The collecting of material was made by visiting farmers. The goal was to visit 15 ? 20
herds and when this is being written 19 herds have been visited.
Utveckling av en ny tillverkningslina
This report contains results of our study at CTC in Ljungby. CTC produces heating products such as boilers, heat pumps and additional products to their heating systems.The purpose of the report is to make a proposal how CTC will supply their new production line for heat pumps with materials. The proposal includes a production layout and a scheme for how to place the material in the production storage.The new production line will produce two different products and both of them have several variants. The line will also have a mixed flow, so the products can be produced in a random order. These conditions demand that the production line has great flexibility and that the material to all the variants can be stored in the production storage.With these conditions as input we made a layout proposal to the company.