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1

Apparent ileal digestibility of fat and fatty acids in polar foxes fed diets used over the non-mating period

100%
Burlikowska K.
Polish Journal of Natural Sciences
|
2006
|
tom 21
637-645
2

Changes in blood chemistry in broiler chickens during the fattening period

51%
Piotrowska A., Burlikowska K., Szymeczko R.
Folia Biologica
|
2011
|
tom 59
|
nr 3-4
3

Content and apparent ileal digestibility of nutrients in diets fed to breeding polar foxes over the non-mating season

51%
Szymeczko R., Swiech E., Burlikowska K., Podkowka Z.
Journal of Animal and Feed Sciences. Supplement
|
2005
|
tom 14
|
nr 1
4

Effect of dietary fat type on performance, biochemical indices and fatty acids profile in the blood serum of broiler chickens

51%
Burlikowska K., Piotrowska A., Szymeczko r.
Journal of Animal and Feed Sciences
|
2010
|
tom 19
|
nr 3
The aim of the experiment was to compare the effect of different dietary fat sources on performance, biochemical indices and fatty acid profile in the blood serum of broilers. The study was carried out on 96 male Ross 308 chickens from 1 to 42 day of life, fed diets supplemented with soyabean oil (SO), Nowitol 30 (N) and lard (L). The ratio of UFA/SFA in fat sources was: 4.55 (SO), 4.27 (N), 1.75 (L). There was no effect of dietary fat on performance indices, protein and fat metabolism parameters, Ca, P and chloride concentration in the blood. The highest (P<0.05) Mg concentration was found in N group. A higher percentage (P<0.05) of SFA (34.16%) and lower (P<0.05) level of PUFA (54.01%) was found in chickens from group L in comparison with broilers from the SO (SFA - 33.18%, PUFA - 55.84%) and N (SFA - 33.30%, PUFA - 55.99%) groups. The results indicate that performance and biochemical indices were not negatively affected by tested fat sources.
5

Ileal digestibility of ash and minerals in diets used in Polar fox nutrition during the reproduction period

51%
Szymeczko R., Piotrowska A., Boguslawska-Tryk M., Burlikowska K.
Polish Journal of Natural Sciences
|
2006
|
tom 20
229-237
6

The influence of dietary fibre on nutrient digestibility in Polar foxes

51%
Szymeczko R., Bieguszewski H., Burlikowska K.
Zeszyty Naukowe. Przegląd Hodowlany
|
1996
|
tom 28
7

Morphological and mineral characteristics of peripheral blood in female Polar fox in relation to age

45%
Piotrowska A., Szymeczko R., Ozgo M., Boguslawska-Tryk M., Burlikowska K.
Folia Biologica
|
2008
|
tom 56
|
nr 3-4
263-267
8

Wskazniki przemiany bialkowej w surowicy krwi lisic polarnych w zaleznosci od wieku zwierzat

45%
Boguslawska-Tryk M., Szymeczko R., Piotrowska A., Burlikowska K., Kubacki S.
Medycyna Weterynaryjna
|
2008
|
tom 64
|
nr 05
720-722
The aim of the research was to determine values of selected parameters of protein metabolism and enzyme activities in blood serum of female polar foxes of different ages after the post-reproduction and post-lactation recovery period. During the experiment, 50 healthy fox vixens from a domestic breeding farm were examined. The animals were divided into 5 age groups (n = 10), from 1 until 5-years-of-age. In blood serum samples total protein, protein fractions, urea and creatinine concentration were determined along with the activities of the enzymes: aspartate aminotransferase (AST), alanine aminotransferase (ALT) and lactate dehydrogenase (LDH). There were no statistically significant age-dependent differences among biochemical parameters values in the blood of the experimental animals. The only thing noted was a tendency of an increased total protein level in the vixen’s blood with age and following the reproduction season.
9

Wskazniki hematologiczne krwi u kurczat brojlerow zywionych mieszankami z dodatkiem avilamycyny i wyciagu z jezowki waskolistnej [Echinacea angustifolia]

45%
Szymeczko R., Piotrowska A., Burlikowska K., Pupkiewicz P., Klimaszewska-Pietrzak M.
Folia Universitatis Agriculturae Stetinensis. Zootechnica
|
2003
|
tom 45
59-66
10

The variability of thyroid hormones level and plasma protein fractions in Polar foxes blood at different times after feeding

45%
Rajs R., Glowinska B., Szymeczko R., Boguslawska M., Burlikowska K.
Zeszyty Naukowe. Przegląd Hodowlany
|
1996
|
tom 28
11

The variability of haematological indices in Polar foxes blood at different times after feeding

45%
Glowinska B., Szymeczko R., Burlikowska K., Rajs R., Boguslawska M.
Zeszyty Naukowe. Przegląd Hodowlany
|
1996
|
tom 28
12

Wpływ Carowitu na wskaźniki użytkowe i obraz morfologiczny krwi rosnących kurcząt brojlerów

39%
Szymeczko R., Piotrowska A., Trojan M., Burlikowska K., Boguslawska-Tryk M., Kulakowska A., Lozyca M.
Prace Wydziału Nauk Przyrodniczych. Seria B. Prace Komisji Nauk Rolniczych i Biologicznych
|
2008
|
tom 50[64]
13

Lipid metabolism indices in the blood serum of reproductive female polar foxes in relation to age of animals

39%
Burlikowska K., Szymeczko R., Iben C., Piotrowska A., Boguslawska-Tryk M., Kubacki S.
Medycyna Weterynaryjna
|
2008
|
tom 64
|
nr 07
The study was carried out on 50 female polar foxes, which were divided into 5 experimental groups with respect to age (n - 10): from 1 to 5-years-of-age. The content of triglycerides, total cholesterol, HDL, LDL, total, free and estrified L-carnitine and the composition of fatty acids was determined in blood serum samples. The lowest content of triglycerides, total cholesterol and HDL fraction was found in one-year-old females (p < 0.05). It was observed that there was a tendency towards an increase in the content of triglycerides and LDL until 3-years-of-age and in total cholesterol and HDL until 4-years-of age. No significant, age-dependant changes in the content of individual fatty acids and L-carnitine were observed. Among fatty acids, the dominant ones were C16:0; C18:0; C16:1; C18:1 and n-6 PUFA, where C16:2 n-6 prevailed.
14

Changes in the content of major proteins and selected hormones in the blood serum of piglets during the early postnatal period

33%
Szymeczko R., Kapelanski W., Piotrowska A., Dybala J., Boguslawska-Tryk M., Burlikowska K., Hertig I., Sassek M., Pruszynska-Oszmalek E., Mackowiak P.
Folia Biologica
|
2009
|
tom 57
|
nr 1-2
97-103
15

Characteristics of selected peripheral blood parameters in polar fox (Alopex lagopus L.) fed diets with inulin

33%
Szymeczko R., Glowinska B., Burlikowska K., Piotrowska A., Boguslawska-Tryk M., Kozlowska I., Brudnicki A., Pietruszynska D.
Folia Biologica
|
2013
|
tom 61
|
nr 1-2
16

The level of selected hormones in peripheral blood in female polar foxes [Alopex lagopus L.] in relation to age

33%
Szymeczko R., Mackowiak P., Piotrowska A., Boguslawska-Tryk M., Burlikowska K., Pruszynska-Oszmalek E., Sassek M., Szczepankiewicz D.
Folia Biologica
|
2009
|
tom 57
|
nr 3-4
213-218
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