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The experiment used Podhale Zackel ewes maintained in a flock included in the genetic resources conservation programme for this breed in the Podhale area. Staple length, wool yield and wool thickness were measured.Average double-clip wool yield was 1.9 kg with staple length of 15.6 cm.Wool thickness was measured by microprojection using a lanameter. The wool of Zackel sheep was classified as mixed...
The aim of this study was to determine an increase in the length of skeletal bones and muscle groups in broiler pullets during the rearing period. The research material consisted of the Ross 308 broiler pullets. The analysis included keel bone, leg bones (tarsometatarsus, femur and tibia), wing bones (humerus and ulna) as well as breast, thigh, drumstick muscles and wing muscles located along humerus...
Malaria remains a major health issue In the world, while in Poland no cases of the indigenous disease have been observed since 60-ties of the last century, but the number of cases imported from the epidemic areas is increasing. The aim of work was to analyse the epidemiology of malaria diagnosed and treated in the Department of Infectious Diseases and Hepatology, Pomeranian Medical University, Szczecin,...
The aim of this study was to determine selenium concentration in the blood serum of dairy cows and to establish its influence on the level of production and reproduction traits. The study was performed on the farm located inWestern Pomerania and involved 140 cows, which were selected using the analogue method on the basis of their physiological state, lactation number, milk yield, age and genotype...
Detailed osteometry of selected cat bones was evaluated as well as the values of correlation coefficients describing the morphology of individual cat skeleton elements were compared in order to verify the hypothesis on the possible occurrence of larger cats in early mediaeval Szczecin than in contemporaryWolin. The research material consisted of domestic cat bone remains being housed in the bone collections...
The investigations were conducted on 60 Holstein-Friesian dairy cows (at age 3 year and weight 590 kg) kept in tie-stall barn. The animals were divided into 3 groups of 20 heads each. The control group (K) was fed diets without probiotics, group (EM) – was fed diet with the addition of EM probiotic (dose of 150 ml × t–1 TMR) and group (T) – was fed diet with the addition of ToyoCerin probiotic (dose...
The materials of the study were the results of insemination effectiveness of dairy cattle with the semen from 12 specialized bulls breeds: Belgian Blue, Charolais, Limousine, Simentaler. Inseminations where conducted on Mazowieckie,Warmińsko-Mazurskie and Podlaskie Voivodships of Poland. Data gathered in database involved the breed, genotype of the bull’s father and, the inseminator. The influence...
The aim of this study was to assess the welfare of gilts managed in different housing systems. The material consisted of a total of 160 gilts, weighing between 40 to 100 kg. The study was conducted in 15 pig breeding farms producing gilts in the Podkarpackie Voivodeship, Poland. The gilts were housed in facilities with access to open air (5 piggeries) and without a run (10 pig farms). The welfare...
The aim of this study was to assess the correlation between milk yield in primiparous cows and their subsequent productivity, length of productive life, and reasons for culling. The analysis included 386 Black-and-White Polish Holstein-Friesian cows (PHF-HO) culled from the dairy herd during a 9-year period on one farm. Cows which had high milk yield in their first lactation were also found to be...
The study involved 132 Polish Black-and-White Holstein-Friesian cows, kept in a public sector farm located in the Kujawsko-Pomorskie province. The yield of the analysed cows averaged 12,800 kg milk. The aim of the study was to determine the effect of lactation length in high-yielding cows on milk yield, milk composition and indicators of fertility. The results show that in high-yielding herds, cows...
The aim of this study was to analyze the effect of gestational length and multiplicity of mating encounters on selected reproductive parameters within several color varieties of the mink. The material comprised the breeding results of 1285American mink females of three color varieties: Sapphire, Silverblue, and the Scanbrown. The highest fertility and the highest number of live born and weaned per...
The aim of this study was to analyze the effect of gestational length and multiplicity of mating encounters on selected reproductive parameters within several color varieties of the mink. The material comprised the breeding results of 1285American mink females of three color varieties: Sapphire, Silverblue, and the Scanbrown. The highest fertility and the highest number of live born and weaned per...
The study was carried out in 2006–2011 in a farm located in the Kujawsko-Pomorskie province and keeping about 290 Polish Black-and-White Holstein-Friesian cows with a mean yield of almost 11,000 kg milk. GLM and FREQ procedures of the SAS package were used for statistical analysis. The lifespan and length of productive life of high-yielding cows tended to decrease, with an alarming tendency for the...
The experiment was carried out on two groups of fatteners crossbreds Pul x PLW (group I - 20 heads) and PL x PLW(group II – 20 heads). The fattening was conducted for 99 days in a period when the average body weight of pigs ranged from 30.5 to 105 kg and it was divided into two periods that lasted 53 and 46 days, respectively. Pigs of both groups were fed with the same mixtures based on wheat and...
The objective of this study was to determine the effect of parity on the fatty acid profile of milk from 42 high-yielding cows, including 15 primiparous cows, 15 cows in their second lactation and 12 cows in their third lactation. Milk yield was evaluated and milk samples (462 in total) were collected between lactation days 6 and 60, at five-day intervals. The concentrations of 43 fatty acids were...
Seven observations of European bison were made betweenApril and July 2009 (from 6.00 to 18.00) at the Municipal Zoological Garden of the Sea Coast in Gdańsk-Oliwa (8 animals) and at the Polish Fauna Garden of Forest Culture and Leisure Park “Myślęcinek” in Bydgoszcz (4 animals). During 12-hour observations, the European bison from zoological gardens spent 31% of their time feeding, 47% standing and...
The aim of the study was to compare RedAngus and Hereford primiparous cows based on the age at first calving and body weight as well as to compare some indices of fertility, lactation yield and selected zoometrical measurements. The research was conducted on the farm located in theWest Pomerania Province. The age at first calving (AFC) and the variability of body weight were similar for both breeds...
The objective of the work was to analyse rabbit (Oryctolagus cuniculus) reproduction performance as related to rabbit age, month of birth and birth order. The animals were raised on a rabbit breeding farm located in south-eastern Poland. 400 females were subjected to analysis, of which 199 were New Zealand White rabbits and 201 were Termond White rabbits. Variance analysis revealed a statistically...
The aim of the study was an assessment of macro- and microelements level in blood serum of Charolaise breed cows with a change of feeding system from organic to indoor one, when supplementary mixtures (mineral-vitamin) were introduced. Thirty two cows of Charolaise breed were selected for the experiment. The study included 2 periods taking into account final period of organic feeding system (1st period)...
The Mallard (Anas platyrhynchos) is the most acquired and, at the same time, the most common wetland game birds in Poland, occurring on the territory of almost the whole country. The habitat of this bird is constituted by most shallow water reservoirs, rivers, lakes and ponds situated in mid-fields. The aim of this study was to compare the composition of cestode and nematode fauna of the gastrointestinal...
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