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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Įvairių gyvūnų mėsos mitybinės vertės ir kokybės palyginimas / Comparison of meat quality and nutrition value of various animals

Valaitienė, Vilma 17 April 2007 (has links)
In recent years, the concept of food quality has received a lot of attention from food producers and retailers as well as from public authorities and health educators. There are a lot of discusses a practical approach to defining the term ‘quality’. But although there have been many attempts to clarify and define the concept, there still no general agreement on the term (Grebitus et al, 2006). For European food industry, quality is a key factor because the high quality of a product is the basis for success in this highly competitive market. However, it is difficult to decide which sort of meat has the best nutrition value or technological properties (Kortz, 2003). Work object. To research and compare various animal meat quality and nutrition value. During investigation were taken 6 different sorts of animal and poultry meat samples: Lithuanian white pigs, Lithuanian black head sheep, Lithuanian black-white bulls, wild pork, Big-6 turkey broilers and Hybro G cross chicken broilers. For the samples was taken 500-550g from long back muscle (musculus longissimus dorsi). For poultry and turkey samples was taken breast meat. Pork, sheep, bulls, chicken and turkey broilers were raised and slaughtered in the same groups, had the same feeding and slaughtering conditions, wild pork was hunted in Lithuanian forests. Measuring different animals meat quality and nutrition features, samples were taken chilled 24 hours after slaughtering. Meat quality indexes were measured at ‘Meat... [to full text]
2

Maistui skerdžiamų avių kiekiai ir mėsos kokybė / Quantities and quality of sheep meat slaughtering for food

Budreckis, Donatas 18 June 2013 (has links)
Per pastaruosius tris dešimtmečius įvyko daug socialinių, ekonominių pokyčių, padidėjęs visuomenės sąmoningumas keičia gyvenimo būdą ir poreikį aukštesniems gyvenimo standartams. kurie savo ruožtu iškėlė labiau integruoto maisto saugos požiūrio reikalingumą. Pasikeitė žemės ūkio produktų gamybos, perdirbimo, pardavimo ir vartojimo struktūra. Padidėję gyvulinių produktų mainai sudarė sąlygas vartotojams gauti pigesnį ir įvairesnį maistą, bet tapo sunkiau atsekti produktų kelią nuo gamintojo iki galutinio vartotojo. Šiandieninė situacija skirtinguose Lietuvos žemės ūkio sektoriuose keičiasi. Mažėjant ūkių, mažėja, kai kurių auginamų gyvulių skaičius. Statistikos departamento duomenimis nurodoma, kad šiuo metu Lietuvoje yra 105 tūkst. ūkių, kuriuose auginami galvijai. 2012 m. pradžiai mūsų šalyje buvo priskaičiuota 748 tūkst. galvijų, 9264 tūkst. kiaulių, 9466,3 tūkst. paukščių, 79 tūkst. avių. Sparčiausiai auga paukštienos, ypač kalakutienos paklausa, palaipsniui didėja avienos, ožkienos, triušienos, žvėrienos poreikis. Tai siejama su vartotojų požiūrio į sveikesnį maistą kitimu. Atsakomybė už galutinį produktą, kuris patenka ant vartotojo stalo prasideda nuo pašaro gamintojo ir apima tiekėjus, gamybos įmones, augintojus, aptarnaujantį veterinarijos gydytoją, galimus prekybos tarpininkus, skerdyklas ir produkcijos perdirbimo įmones iki mažmeninės prekybos. Pirmoje vietoje turi būti saugumas, stabilumas ir skaidrumas visuose gamybos lygmenyse, taip pat duomenų perdavimo... [toliau žr. visą tekstą] / This final study is written in the Lithuanian language, containing 59 pages and includes: an introduction, literature review, materials and methods, results, conclusions, a list of used literature including references 140, tables 12 and pictures 4. Many social and economical changes have occurred within the three recent decades, increased consciousness of the society changes the life style and the need for higher standards of life, they subsequently revealed the necessity of more integrated attitude towards food safety. The structure of production, processing, sales and consumption of agricultural products has changed. Increased exchange of animal products allowed users to get cheaper food and bigger variety thereof, but tracing the path of products from the manufacturer to the end user became more difficult. Today the situation in different sectors of Lithuanian agriculture is changing. As the amount of farms is decreasing, the amount of some of the bred animals is decreasing as well. According to the data from the Department of Statistics, there currently are 105000 farms breeding cattle in Lithuania. In the beginning of 2012, there were 748000 cattle, 9264000 pigs, 9466300 birds, 79000 sheep in our country. The demand for poultry, especially turkey, is increasing the most, the need for sheep meat, goat meat, rabbit meat, game meat is gradually increasing. It is associated with the change of attitude of users towards healthier food. Responsibility for the final product... [to full text]

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