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The stock-recruitment relationship is biological in nature and it is evident that one affects the other. However, fish life cycle, growth, abundance and distribution is dependent on a complex relation with various biotic and abiotic variables inclusive of environmental factors. The stock-recruitment relationship and environmental influences was investigated for the North Pacific albacore tuna (Thunnus...
The aim of this study was to evaluate land use in the sub-catchment (i.e. direct catchment) of Lake Gąsawskie in the period of 1945–2011, focusing on its effect on the current ecological status of the lake.The rate of lake overgrowing and changes in its area were assessed over the period of 66 years. The extent of sewerage cover in the Gąsawa commune located in the direct catchment of the lake was...
The paper presents an analysis of conditions affecting the tourist attractiveness of communes situated along the banks of the Krzna river. The aim of the study was to present the characteristics of tourist traffic recorded in the area of the communes through which the Krzna River flows. The objective of the work was to carry out multi-trait comparisons of communes located on the Krzna river in terms...
The Veterinary Inspection (VI) has been, by virtue of law, equipped with a number of controlling competencies. This evaluation involved the operational activities of 50 districtveterinary inspectorates in 2008–2012 in the following provinces: Warmińsko-Mazurskie,Śląskie, Wielkopolskie, and Lubelskie. The effectiveness of administrative decisions on the discovered cases of undesired events in the controlled...
The genetic characteristic of seriously threatened river lamprey Lampetra fluviatilis L. from Vistula river and Vistula lagoon (Poland) was described in the present paper. The study, based on the nine microsatellite markers, was conducted to determine the genetic diversity and population structure of river lamprey in Vistula river and Vistula lagoon in Poland. Observed heterozygosity ranged from 0...
The aim of the study was to determine the extent of changes in the content of bioactive substances in lingonberry fruit following cold storage, freezing and lyophilisation. In the paper therapeutic properties of lingonberry fruits were presented, and all present in the fruits phenolic compounds were discussed, especially phenolic acids and anthocyanins. The effect of selected technological operations...
The longevity and reproductive performance of 190 crossbred Redone sows inseminated with the semen of hybrid Gallia boars were analyzed in this study. The sows were kept on a large commercial farm in optimal environmental conditions, in line with welfare requirements. Sows produced an average of 2.2 litters a year. The total number of litters farrowed was 1380 (7.26 litters per sow on average). The...
The aim of this study was to determine the effect of caponization on selected morphometric parameters and mineral density of tibiotarsal bones in Green-legged Partridge cockerels. The experiment was conducted on 200 cockerels. At 8 wks of age, 100 birds were surgically castrated. At 12 and 24 wks of age, blood samples were collected from 10 intact cockerels and 10 capons, and the birds were slaughtered...
The paper presents results of studies from the years 2009–2010, aiming at the determination of quality attributes and technological properties of grain as well as produced bread, depending on sprinkling irrigation and nitrogen fertilisation of winter triticale cv. Gniewko. The first order factor was the water variant (non-irrigated, irrigated by sprinkling), while the second order factor was nitrogen...
The presence of colonized beaver lodges in a given area may be difficult to confirm du-ring European beaver population surveys. The existing inventory methods do not provide unquestionable results. To avoid survey errors in the future, this study was undertaken to determine whether thermal imaging could be used to confirm the presence of beaver settlements in the analyzed area. The number of beaver...
This study evaluated the nutrient composition of traditional dishes of Ijaw people of Bayelsa State, Nigeria. The traditional dishes (Kekefiyai, Kiri-igina, and Opuru-fulou) were prepared using the traditional cooking methods and subsequently analyzed for proximate, antinutrient, and mineral contents, using standard methods. Kekefiyai had the highest carbohydrate content (32.5% ± 0.5) and fibre (31...
A 3 x 3 factorial experiment was carried out to investigate the carcass yield and meat quali-ty characteristics of growing pigs subjected to qualitative and quantitative feeding strategies. Eighty one (81) Large White growing pigs (54 males and 27 females) with initial weight of 6.7 ± 0.39 kg were assigned to nine treatments of three replicates of three pigs per replicate. Treatments consist of three...
The aim of the study was to compare the total lipid content, main fatty acids composition and their proportions in dark (high-extracted) flour obtained from the grain of seven spelt wheat (T. spelta) cultivars and one (reference) common wheat cultivar (T. vulgare), grown organically in Poland during two successive years of cultivation. Husked spelt grain cv. „Ceralio”, „Schwabenkorn”, „Frankenkorn”,...
The appearance of herbicides and fungicides significance in reducing damage in yields of winter wheat cultivated for a 38–46-year monoculture was the purpose of that paper. In 9-year researches (2005–2013) at the Production and Experimental Station in Bałcyny near Ostróda town, the response of winter wheat on a 38−46-year monoculture in different conditions of chemical protection of a wheat canopy:...
This study addresses recent controversies regarding calcium, in view of the dietary intake and sources of protein (animal, vegetable). The results of a meta-analysis, which suggested that milk increases the risk of prostate cancer in men and atherosclerosis in elderly women, were discussed and compared with other research findings. It was demonstrated that prostate cancer is caused by long-term deficiency...
Weed occurrence in cultivated fields may cause significant losses of agricultural crops as a result of competition and allelopathic stress. In this study, 100 g l-1 aqueous extracts of leaves and roots of two wild plants Parthenium hysterophorus and Carthamus oxyacantha were evaluated for their effect on germination, seedling growth and biomass of commonly occurring weeds in wheat fields (Chenopodium...
This study was aimed at analyzing the occurrence and at monitoring the developmental cycle of Erysiphe flexuosa (Peck) U. Braun & S. Takamatsu (syn. Uncinula flexuosa) on leaves of chestnut tree in the urban environment in 2013–2014, as affected by the presence of horse-chestnut leaf miner Cameraria ohridella Deschka & Dimic. A high occurrence of both these species and high infestation of...
The work deals with the assessment of the basic physical and chemical soil properties in the conditions of ecological farming system in chosen area of Carpathian region. The aim of this work is based on time variability of soil properties to consider sustainability of ecological farming management and its role in sustainable agriculture and development. The observation was carried out in 1996–2000,...
Rectal prolapse (prolapsus recti) in swine is relatively common. Factors influencing the development of this phenomenon are described in literature: infections (Actinobacillus pleuropneumoniae, swine flu, salmonellosis, spirochetosis, adenomatosis, colibacteriosis, parasites), environmental factors (too low temperature, excessive number of animals), nutritional (fiber deficiency, hypovitaminosis E,...
The coagulation/flocculation is a major process in the wastewater treatment. A study was conducted to compare the efficiency of two polymeric PAC coagulants (PAC, PAX 61) and two monomeric coagulants, Al2(SO4)3 andAlCl3,in pulp and paper wastewater treatment. PAC and PAX 61 showed the advantage over the traditionally used Al2(SO4)3 and AlCl3 in the removal of basic wastewater pollutants. The use of...
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