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Wyświetlanie 1-8 z 8
Tytuł:
Antler malformations of cervidae species in Opole Voivodeship
Deformacje poroża u jeleniowatych w województwie opolskim
Autorzy:
Oloś, G.
Powiązania:
https://bibliotekanauki.pl/articles/388739.pdf
Data publikacji:
2017
Wydawca:
Towarzystwo Chemii i Inżynierii Ekologicznej
Tematy:
antler malformations
cervidae
myłkus
jeleniowate poroże
Opis:
Hunting Law regulations strictly determines which males of quarry species may be harvested during the season. The age and the antlers of the individual play here an important role. The exceptions are the individuals with malformed and long spiked antlers, that is in a form significantly different from the desirable forms described in guidelines by the Chief Hunting Council. Anomalies in shape, structure and size of antlers are obligatory condition for harvesting the individual. It is generally accepted that such individuals are weaker, less valuable, have defective genes, are sick or injured, and are dangerous for conspecific during the rut. The scientific explanations for the development of an antler abnormalities point out many different factors, including the environmental ones. For many years antlers are used to determine the environmental pollution by heavy metals accumulated in it’s bone tissue what gives precise annul data. The aim of this work was to check whether the frequency of antlers deformation in cervidae species present in the Opole Voivodeship correlate in any way with ontogenetic features (age and body weight), population features (density and size of population) and environmental factors (woodiness, competition). Results could set new directions in researches for causes of antler malformations in cervidae family.
Regulacje Prawa Łowieckiego ściśle określają, które samce zwierzyny płowej mogą zostać pozyskane w danym sezonie. Kluczową rolę odgrywają tu wiek oraz forma poroża danego osobnika. Wyjątek stanowi ą tzw. „myłkusy” oraz „szydlarze”, czyli osobniki mające poroże w formie istotnie odbiegającej od wytycznych określanych przez Naczelną Radę Łowiecką. Anomalie w kształcie, budowie i rozmiarach poroża stanowią obligatoryjny warunek do pozyskania mającego je osobnika, którego uważa się za niepożądanego w łowisku. Powszechnie uznaje się takie osobniki za słabsze, mniej wartościowe, mające wadliwe geny, chore lub zranione, a także niebezpieczne dla innych w okresie rui. Naukowe uzasadnienia powstawania anomalii w porożu jeleniowatych wskazują na wiele różnych czynników, w tym środowiskowych. W ostatnich latach podjęto również prace nad określaniem skażenia środowiska bytowania jeleni metalami ciężkim w oparciu o oznaczanie tych pierwiastków w rogowej tkance poroża, które w cyklu rocznym jest nakładane i następnie zrzucane. Celem tej pracy było sprawdzenie, czy częstość występowania deformacji w porożu u jeleniowatych na terenie województwa opolskiego w jakikolwiek sposób koreluje z cechami osobniczymi (wiek oraz waga tuszy), wewnątrzpopulacyjnymi (zagęszczenie i wielkość populacji) oraz środowiskowymi (lesistość, konkurencja). Wyniki mogą wyznaczyć nowe kierunki w badaniach nad przyczynami powstawania deformacji w porożu jeleniowatych.
Źródło:
Ecological Chemistry and Engineering. A; 2017, 24, 1; 131-140
1898-6188
2084-4530
Pojawia się w:
Ecological Chemistry and Engineering. A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A novel polypeptide from Cervus nippon Temminck proliferation of epidermal cells and NIH3T3 cell line
Autorzy:
Guan, Shu-Wen
Duan, Leng-Xin
Li, Yuan-Yuan
Wang, Ben-Xiang
Zhou, Qiu-Li
Powiązania:
https://bibliotekanauki.pl/articles/1041255.pdf
Data publikacji:
2006
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
polypeptide
velvet antler
promoting cell proliferation
Opis:
A novel polypeptide, velvet antler polypeptide (VAPPs), having a stimulary effect on proliferation of some cell was isolated from the velvet antler of sika deer (Cervus nippon Temminck). This polypeptide consists of a single chain of 32 amino-acid residues VLSAT DKTNV LAAWG KVGGN APAFG AEALE RM. VAPPs showed marked stimulary effect on rat epidermal cells and NIH3T3 cell line (dose range from 10-40 mg·L-1 and 5-80 mg·L-1, respectively).
Źródło:
Acta Biochimica Polonica; 2006, 53, 2; 395-397
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effects of velvet antler polypeptides on the phenotype and related biological indicators of osteoarthritic rabbit chondrocytes
Autorzy:
Zhang, Zhengyao
Liu, Xiaofeng
Duan, Lengxin
Li, Xia
Zhang, Yang
Zhou, Qiuli
Powiązania:
https://bibliotekanauki.pl/articles/1039876.pdf
Data publikacji:
2011
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
velvet antler polypeptides
MMP
osteoarthritic chondrocytes
apoptosis
Opis:
Objective: To study the effects of velvet antler polypeptides (VAPs) on osteoarthritic chondrocytes (OCs) in rabbits. Methods: An osteoarthritic rabbit model was established according to Hulth's method. OCs were isolated and cultured for observation of the cell cycle. Cell proliferation was detected by MTT assay and the cell cycle was monitored by flow cytometry. The phenotype was determined by toluidine blue staining as well as immunohistochemical staining for collagen type II. The expression of MMP-1, MMP-3, MMP-13, TIMP-1, and collagen I and X mRNA by chondrocytes was assayed by RT-PCR. Results: The VAPs had no obvious proliferative effect on OCs and did not affect the cell cycle. However, they significantly reduced the proportion of early apoptotic cells in a dose-dependent manner. Further, VAPs inhibited the expression of collagen I and X mRNA and induced abnormal expression of MMP-1 and MMP-13 mRNA. VAPs had no significant effect on MMP-3 and TIMP-1 mRNA levels. The toluidine blue and collagen type II immunohistochemical staining intensities of VAP-treated chondrocytes were positively correlated with the concentration of VAPs used. Conclusion: VAPs had no significant effect on OC proliferation and the cell cycle, but did increase the glycosaminoglycan (GAG) and collagen type II expression levels in the extracellular matrix, and down-regulated collagen I and X mRNA expression. Treatment of cartilage cells with VAPs maintained their normal phenotype, inhibited matrix metalloproteinases (MMPs) secretion, kept the balance of cartilage matrix metabolism, and sustained an external environment where the cartilage cells could survive. Moreover, VAPs reduced the proportion of early apoptotic cells, suggesting that they may block the apoptotic pathway in OCs.
Źródło:
Acta Biochimica Polonica; 2011, 58, 3; 297-302
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Deer Antler Velvet on Aerobic, Anaerobic and Strength Performance
Autorzy:
Earnest, Conrad P.
Quindry, John
Panton, Lyyn
Broeder, Craig
Powiązania:
https://bibliotekanauki.pl/articles/1055068.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Szczeciński. Wydawnictwo Naukowe Uniwersytetu Szczecińskiego
Tematy:
Antler velvet
aerobic power
anaerobic power
performance
strength training
Opis:
Deer antler velvet (DAV) supplementation purportedly increases athletic performance; however, little data support this claim. The primary aim of our study is to examine DAV and exercise performance. We randomized 32 men (18–35 y) participating exclusively in resistance training (>4 y) to 10-weeks of randomly assigned, double blind, DAV (1350 mg, 2×/day) or placebo treatments. Primary outcomes included maximal aerobic capacity (VO2max), maximal strength (1RM; bench press and squat) and anaerobic cycling power. Secondary outcomes included comprehensive blood profiles and body composition. We used general linear models to determine changes following treatment. Eighteen participants (n = 9) completed the study with DAV participants showing significant improvements in VO2max (4.30 ±0.45 to 4.72 ±0.60 L/min, P < 0.04). The placebo and DAV groups increased bench press and squat 1RM (both, P < 0.04); yet, when expressed relative to body mass, only the DAV group showed significant bench press (4%) and squat (10%; both, P < 0.02). Neither group improved cycling performance or showed adverse changes in blood chemistries. We did observe a significant reduction in LDL-C (12%) accompanying DAV supplementation and both groups significantly reduced percent body fat (P < 0.05). Our results suggest that DAV may have ergogenic effects in men participating solely in resistance training.
Źródło:
Central European Journal of Sport Sciences and Medicine; 2015, 9, 1; 17-26
2300-9705
2353-2807
Pojawia się w:
Central European Journal of Sport Sciences and Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New finds of antler cheekpieces and horse burials from the Trzciniec Culture in the territory of western Little Poland.
Autorzy:
Przybyła, Marcin M.
Powiązania:
https://bibliotekanauki.pl/articles/2085855.pdf
Data publikacji:
2020
Wydawca:
Uniwersytet Rzeszowski. Instytut Archeologii Uniwersytetu Rzeszowskiego. Muzeum Okręgowe w Rzeszowie
Tematy:
antler cheekpieces
horse burials
chariots
barrows
Trzciniec Culture
bronze age
Opis:
The subject of this paper are the new discoveries of antler cheekpieces of horse harness at Trzciniec Culture sites in Morawianki, Miechów and Jakuszowice (Little Poland, Poland). It also addresses the issue of double horse burials being parts of sepulchral complexes, with barrows at their centres. The article tackles the problem of the occurrence of such burials and cheekpieces in the Danubian regions, the steppe zone of Eastern Europe and in the territory of Greece. It also considers the function of cheekpieces, as parts of horse gear used for harnessing a horse to a chariot
Źródło:
Analecta Archaeologica Ressoviensia; 2020, 15; 103-138
2084-4409
Pojawia się w:
Analecta Archaeologica Ressoviensia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Early and Middle Holocene Antler Tools With Holes From the Gravel Pits of the Smarhon Area, North-Western Belarus
Autorzy:
Vashanau, Aliaksandr
Malyutina, Anna
Tkachova, Maryia
Chernyavskiy, Maxim
Tkach, Evgeniya
Powiązania:
https://bibliotekanauki.pl/articles/1774259.pdf
Data publikacji:
2021-06-24
Wydawca:
Uniwersytet Warszawski. Wydawnictwa Uniwersytetu Warszawskiego
Tematy:
Early and Middle Holocene
antler
red deer
elk
technology
typology
north-western Belarus
Opis:
The present article focuses on artefacts made of antlers with holes drilled for the haft, both those available in physical collections and those known only from archaeological literature. This category of items is held by a number of central and regional museums in Belarus, as well as in private collections. Such ‘dispersion’ of the items makes their study problematic. Until now, no comprehensive study of antler artefacts with drilled holes from gravel pits located in Smarhon has been conducted. Publications have so far considered only the specimens that are most representative from the point of view of comparative typology. Michal Chernyavskiy and Piotr Kalinovskiy invariably associated tools with drilled holes with the Mesolithic period. However, this group of tools is more diverse and chronologically complicated than previously thought. The authors of the present article propose a new typological scheme for this item category which is part of a pan-European cultural and chronological context based on a complex analysis of antler artefacts with drilled holes.
Źródło:
Światowit; 2020, 59; 89-110
0082-044X
Pojawia się w:
Światowit
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Exploring dog antler chews as a novel source of collagen supplementation: extraction and characterization of collagen from red deer antlers
Autorzy:
Pepłowska, Kamila
Wałecka, Joanna
Bąkowski, Paweł
Dzięgielewski, Zbyszko
Dzięgielewski, Damian
Grzywacz, Kamilla
Powiązania:
https://bibliotekanauki.pl/articles/16706190.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
collagen
antler-derived collagen
acid-soluble collagen
collagen extraction method
collagen isolation optimization
Opis:
Collagen is the body’s most abundant protein and is primarily found in the skin, bones, tendons, and ligaments of animals and fish. As the interest in collagen supplementation grows, new sources of this protein are continually being introduced. We have confirmed that red deer antlers are a source of type I collagen. We investigated the effects of chemical treatment, temperature, and time on the extractability of collagen from red deer antlers. The optimal conditions for obtaining the highest collagen yield were determined to be: 1) removing noncollagenous proteins at 25°C for 12 h in an alkaline solution, 2) defatting at 25°C using a 1 : 10 grounded antler : butyl alcohol ratio, and 3) acidic extraction lasting 36 h using a 1 : 10 antler:acetic acid ratio. Under these conditions, we obtained a collagen yield of 22.04%. The molecular characterization of red deer antler collagen revealed typical features of type I collagens, including the presence of three "-chains, high glycine content, and high levels of proline and hydroxyproline, as well as helical arrangements. This report suggests that red deer antlers have significant potential as a source of collagen supplements.
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2023, 104, 2; 199-208
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Weight characteristics of carcass and antlers in roe deer (Capreolus capreolus L.) and red deer (Cervus elaphus L.) in West Pomerania
Charakterystyka mas tusz oraz poroży sarny (Capreolus capreolus L.) i jelenia szlachetnego (Cervus elaphus L.) na terenie Pomorza Zachodniego
Autorzy:
Wójcik, J.
Powiązania:
https://bibliotekanauki.pl/articles/3132935.pdf
Data publikacji:
2021
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
West Pomerania
game animal
roe deer
Capreolus capreolus
red deer
Cervus elaphus
carcass weight
antler weight
Źródło:
Acta Scientiarum Polonorum. Zootechnica; 2021, 20, 3; 35-40
1644-0714
Pojawia się w:
Acta Scientiarum Polonorum. Zootechnica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-8 z 8

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