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• The effect of different compost rates on the yield of ryegrass (Lolium perenne L.)

  95-98

  Anita Szabó

  Imre Vágó

  Views:

  343

  Protection of natural resources and sustainable natural resources management are essential for the long-term survival of humanity. This makes necessary nowadays the development of environmentally conscious living and spread of that in the future. The amount of organic waste materials, produced during human activities, could be decreased by composting instead of dispose them in landfills. Applying appropriate treatment technology and additives, the compost could be used as fertilizer for horticultural crops and it could increase the easily available nutrient content of soils. Compost utilization prevents nutrient deficiencies and by using the optimal rate, we could reach significant yield increases.

• Investigation of the β-casein (CSN2) gene polymorphism in goat breed – Review

  69-73

  Krisztina Nagy

  András Jávor

  Sándor Kukovics

  Szilvia Kusza

  Views:

  1624

  Milk plays an important role in the human nutrition as an important protein and energy source. Β-casein is the most abundant casein fraction in the goat milk. The β-casein gene has at least 9 polymorphism in goat breed (A, A1, B, C, C1, D, E, 0 and 0’). The most important alleles are the zero (0) and zero’ (0’) alleles, because they decrease the quantity of β-casein protein in milk. The lower quantity of the β-casein changes the properties of the coagulation and the allergenin milk. This review is about the β-casein gene polymorphism in goat breed.

• Investigating the above-ground biomass values of sweet potatoes (Ipomoea batatas)

  35-39

  Gábor Csatári

  Judit Koroknai

  Oqba Basal

  Panna Görögh

  Szilvia Kovács

  Views:

  440

  The role of sweet potato tubers in human nutrition is not new. The above-ground biomass of sweet potatoes is not used for nutritional purposes in most countries, but it has a high biological value. Therefore, the aim of the present study is to investigate the production of press fibre from above ground biomass by wet fractionation. Two sweet potato varieties (purple- and white-fleshed sweet potato) and two types of irrigation system were used: bubbling water flow system (BWS) and continuous water flow system (CWS). Glucan, xylan, arabinan were analysed by HPLC and elemental content was measured by ICP-OES. Our results show that the total carbohydrate content in the pressed fibre of the leaf blades (27.64–29.88 %w/w) is lower than in the stem with petiole (51.14–57.36 %w/w). No significant difference in glucan, xylan and arabinan content was observed in the leaf blade. In the stem with petiole, significant differences were observed for xylan and arabinan contents. For elemental content, generally higher values were measured in the leaf blade than in the stem with petiole. This information may be relevant for the selection of the appropriate variety and treatment, even for the production of functional food.

• Comparison of supplier quality assurance methods for compound feed manufacturing from efficiency, product consistency and economical point of view

  29-34

  Andrea Csikai

  Views:

  245

  Feed manufacturing and human food production are the main routes of use for agricultural products. The food industryparticularly has intensively implemented the recent quality management principles and developed systems that facilitate the continuous improvement and efficiency of the industrial production. Feed production has taken similar approaches however the intensity of deployment at the manufacturer and the rollout towards its supply chain has shown slower progress. The methods, that the feed manufacturer manages the supplier chain of mainly primer agricultural products according to, have a certain impact on the efficiency of the inbound operations, feed product quality and its consistency as well as on other resources. These methods have been built on sound quality management principles that are stated not only in quality standards but also in relevant regulations. Current study addresses the questions related to the link between supply chain quality management and feed product. The objective of the frontier research was to highlight the  theoretical possibilities and benefits of the robust design methodimplemented into animal feed manufacturing dealing with highly variable ingredients. 

• Realisation of customer focus from quality and forage safety aspects in the Hungarian mixed feed production

  35-38

  Andrea Csikai

  Views:

  215

  Customer focus is one of the main principles of Total Quality Management, and it is inevitable for long term, mutually successful vendorcustomer partnerships. The strictly controlled quality management systems of animal feed industry ensure that product quality meets the expectations of all parties involved and, indirectly the reliability of human food raw materials. Meanwhile, the participants of agricultural production are variably quality conscious, so feed manufacturers support their supply chain and also their customers with professional background and they play a key role in safe food chains from farm to fork.