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Efficacy of weed control in maize for silage

Kopmanis, J., Latvia Univ. of Agriculture, Auce et al. [2010]

Total maize (Zea mays L.) yield failure can be observed due to competition for N, water and light if weeds are not controlled. The aim of the investigation carried out at the Research and Study farm Vecauce (Latvia) during 2006–2008 was to clarify the efficacy of different weed control ways (mechanical and chemical) in maize. Eleven treatments included check without weed control, mechanical we ...

SUBJECT: investigacion; letonia; desherbage mecanique; weeding; rendement des cultures

POSTED TO: Proceedings of the Latvia University of Agriculture [1407-4427]

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The cranbery tipworm Dasineura vaccinii S. (Diptera, Cecidomyiidae) dynamics of American large-fruited cranberry (Oxycoccus macrocarpus or Vaccinium macrocarpon (Ait.) Pers.) was studied in the north-east part of Latvia in 2005 and 2006. Main attention was paid to the effect of weather conditions (air temperature, precipitation) on the course of D. vaccinii development stages (eggs, 1st-3rd la ...

SUBJECT: investigacion; pupa; letonia; larvae; meteorological factors

POSTED TO: Proceedings of the Latvia University of Agriculture [1407-4427]

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Reducing sugar content and colour intensity of fried Latvian potato varieties

Murniece, I., Latvia Univ. of Agriculture et al. [2010]

The Maillard reaction between amino acids and reducing sugars is responsible for the development of colour and taste of fried potato products. The aim of the research was to evaluate the reducing sugars content and subsequently colour intensity of five Latvian potato varieties prepared by common frying methods used in Latvia. The research was carried out on five potato varieties (‘Lenora’, ‘Br ...

SUBJECT: investigacion; potatoes; letonia; color; azucares reductores

POSTED TO: Proceedings of the Latvia University of Agriculture [1407-4427]

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Parentage determination by 17 microsatellite markers of Latvian warmblood horse

Viluma, A., Latvia Univ. of Agriculture et al. [2010]

The aim of the research was to determine whether the genetic resource - foal of Latvian warmblood horse - is the true descendant of alleged parents by using 17 microsatellite primers' method, and to consider if this method is appropriate for routine parentage testing and identification in genetic resources of Latvian warmblood horse. DNA was extracted from collected blood samples and amplified ...

SUBJECT: investigacion; breeds (animals); fathers; letonia; race (animal)

POSTED TO: Proceedings of the Latvia University of Agriculture [1407-4427]

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Haematological and biochemical analyses of blood as well as bacteriological investigations of uterine lumen and milk were performed for 38 dairy cows in the first and fourth week after parturition. Clinical examination demonstrated that general health of all cows was satisfactory, but laboratory analysis showed serious deviance from the norm. Cows with pathological performance of uterine invol ...

SUBJECT: investigacion; periodo perinatal; letonia; endometritis; periode perinatale

POSTED TO: Proceedings of the Latvia University of Agriculture [1407-4427]

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The dystrophy of mink liver is widely distributed in mink farms of Latvia. However, clinical diagnostics of the liver dystrophy is quite difficult. The hypothesis of this study was to clarify indicators of ALAT (alanine aminotransferase) and SAP (alkaline phosphatase) as criteria in early diagnostics of mink liver injury. The goal of this study was to determine the potential correlation betwee ...

SUBJECT: histopatologia; investigacion; letonia; histopathology; maladie aleoutienne du vison

POSTED TO: Proceedings of the Latvia University of Agriculture [1407-4427]

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This study was done to evaluate the resistance of 4% water solution of prebiotics (inulin, maltodextrin, and lactulose) and probiotic bacteria Bifidobacterium lactis Bb-12 and Lactobacillus acidophilus in different stomach model environments. The simplest stomach model environment was an HCl water solution and an oat gruel filtrate with 0.46% of solids at pH 2. Fermentations of oat gruel water ...

SUBJECT: investigacion; letonia; bacteria; experimentacion in vitro; stomach

POSTED TO: Proceedings of the Latvia University of Agriculture [1407-4427]

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Personality competitiveness: structure and indications in pedagogy

Kalnina, I., Latvia Univ. of Agriculture et al. [2010]

Since 2005 the authors of the article have carried out the research on ''human competitiveness'' in several stages with the aim: as a result of experimental research to find out the view of the Latvian secondary school pupils about the semantic meaning of the concept ''competitiveness'', as well as the evaluation of competitiveness features (indications) given by the youth. Latvian secondary s ...

SUBJECT: competitiveness; investigacion; individu; questionnaire; education

POSTED TO: Proceedings of the Latvia University of Agriculture [1407-4427]

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Implementation of further education program for teachers

Aizsila, A., Latvia Univ. of Agriculture [2010]

The twenty first century is characterized by changes in the life of society. Those changes are caused by the process of globalization and development of science and technology, especially information technologies. With that, the importance of education increases and becomes topical. Participation of Latvia in the global processes of today's world requires essential re-evaluation of the aims an ...

SUBJECT: investigacion; letonia; formacion de docentes; case studies; teacher training

POSTED TO: Proceedings of the Latvia University of Agriculture [1407-4427]

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In order to ensure a balanced and sustainable development of the varied environment of Latvian schools, the prospective teachers should be ready to integrate into the varied cultural environment of Latvian schools. The education of prospective teachers should be based on ecological approach, which ensures the ecological perspective and an opportunity for students to develop their ecological co ...

SUBJECT: investigacion; letonia; facteurs culturels; formacion de docentes; rural environment

POSTED TO: Proceedings of the Latvia University of Agriculture [1407-4427]

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