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    Wyświetlanie 1-2 z 2
    Tytuł:
    Selected blood parameters in organically raised hens fed with purple coneflower supplemented diet**
    Autorzy:
    Sosnówka-Czajka, Ewa
    Skomorucha, Iwona
    Powiązania:
    https://bibliotekanauki.pl/articles/2183568.pdf
    Data publikacji:
    2018-12-31
    Wydawca:
    Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie
    Tematy:
    blood parameters
    chicks
    hens
    immunity
    organic production
    purple coneflower
    Opis:
    The aim of the study was to determine the effect of dietary addition of dried purple coneflower (Echinacea purpurea (L.) Moench) on selected blood parameters of chicks and hens of the native ‘Greenleg Partridge’ breed (Z-11), maintained on a certified poultry farm according to organic farming principles. Birds were divided into two groups according to diet: organic layer diet (group 1), and the same diet supplemented with certified purple coneflower from 20 weeks of age at 10 g/kg feed (group 2). Layers were fed the certified layer diet (17% protein and 11.1 MJ ME/kg diet) following organic farming principles. Experimental incubations were performed at 34 wks of age. Blood was collected from laying hens at 34 wks and from newly hatched chicks at one day of age to determine selected blood parameters. The organically raised ‘Greenleg Partridge’ hens and chicks responded to the purple coneflower supplement by changes in blood picture, which are important indicators of avian health and condition. As in Z-11 chicks, purple coneflower supplemented to the layer diet reduced the H:L ratio and induced a tendency for higher level of the immunoglobulin complex and IgG in blood, which shows their better living comfort and higher immunity. Dietary purple coneflower was observed to have no effect on the level of hematocrit, erythrocytes and leukocytes. High individual variation occurred for the immunoglobulin complex and IgG in the organically raised ‘Greenleg Partridge’ hens.
    Źródło:
    Annales Universitatis Paedagogicae Cracoviensis Studia Naturae; 2018, 3 (suppl.); 72-82
    2543-8832
    2545-0999
    Pojawia się w:
    Annales Universitatis Paedagogicae Cracoviensis Studia Naturae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Proces usamodzielniania się śledzonych telemetrycznie bielików Haliaeetus albicilla z Parku Narodowego „Bory Tucholskie” w okresie post-pisklęcym
    The process of becoming independent in the post-fledling period of the telemetry tracked White-tailed Eagles Haliaeetus albicilla from the “Bory Tucholskie” National Park
    Autorzy:
    Anderwald, Dariusz
    Lubińska, Karolina
    Powiązania:
    https://bibliotekanauki.pl/articles/16728959.pdf
    Data publikacji:
    2021
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    White-tailed Eagle
    Bory Tucholskie National Park
    telemetry research
    GPS loggers
    spatial ecology
    large chicks
    feeding grounds
    exploration flights
    dispersion
    bielik
    Park Narodowy Bory Tucholskie
    badania telemetryczne
    rejestratory GPS
    ekologia przestrzenn
    duże pisklęta
    loty na żerowiska
    loty eksploracyjne
    dyspersja
    Opis:
    In 2019-2020, as part of the research on the spatial ecology of the White-tailed Eagle in the “Bory Tucholskie” National Park (PNBT), 4 GPS loggers were given to large chicks. In 2019, chicks from two different nests were equipped with these devices, and in 2020, another two chicks from the same nests. It has been shown that the dispersion of juvenile White-tailed Eagles is preceded by a preparation period lasting several weeks, during which large chicks go through several characteristic stages: weakly volatile pod flying on the branches, short training flights outside the nest, directed flights to the feeding grounds (<3 km) and long-distance (>3 km) exploration flights. The first flights of the examined individuals outside the nest area were made between the 6th and 13th July, while the first flights to the feeding grounds occurred between the 28th July and 7th August. All tracked individuals began longer exploratory flights (N=64, X=16), with a maximum distance of 43.2 km from the nest (X=11.76 km, Me=10.01 km) between the 9th August and 1st September. In both years of study, the young birds from the same breeding area left the nest and its surroundings in the third week of August and moved 1,300 m to the NE, to the peninsula of the main lake in the Park. Juvenile White-tailed Eagles from the “Bory Tucholskie” National Park began their independence period between the 5th and 22nd October. During the first 30 days from the moment of leaving the breeding area, juveniles left the Park in various directions travelling for distances of 39-80 km, using strategies of abrupt displacement and nomadism, gradually exploring the feeding grounds.
    Źródło:
    Leśne Prace Badawcze; 2021, 82, 4; 131-142
    1732-9442
    2082-8926
    Pojawia się w:
    Leśne Prace Badawcze
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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