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1

The growth of the noble crayfish [Astacus astacus L.] under diverse breeding conditions

100%
Swierczynski M., Soroka M.
Animal Science. Scientific Papers of Agricultural University of Poznan
|
2001
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tom 03
2

Ovarian structure and development in juvenile perch, Perca fluviatilis [L.] under intensive breeding [short communication]

84%
Kopiejewska W., Szczerbowski A.
Acta Scientiarum Polonorum. Piscaria
|
2005
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tom 04
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nr 1-2
3

Detection frequency of Septoria nodorum on triticale [X Triticosecale Wittmack] seed from various locations at different incubation temperature

84%
Grzelak K.
Hodowla Roślin, Aklimatyzacja i Nasiennictwo
|
1994
|
tom 38
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nr 3-4
4
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A study on bioaccumulation of selected metals in meat and internal organs of intenstively fed kid goats

67%
Niedziolka R., Pieniak-Lendzion K., Horoszewicz E.
Journal of Elementology
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2009
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tom 14
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nr 3
501-507
Owing to its wholesomeness and good taste, meat of goats and lambs is an increasingly more important in human nutrition. It is characterized by excellent nutritive value and high digestibility. It is also relatively rich in mineral compounds. The aim of this study has been to determine the content of some elements in muscles, liver and kidneys of male and felame kid goats, fattened to 150 day of life. The animals received full-ration mixture containing 169 g total protein and 6.0 MJ net energy. The mixture was given ad libitum and supplemented with meadow hay as bulk feed. During the whole period of fattening, the animals were kept under the conventional housing system. Samples for analysis were taken from adductor femoris muscles, liver and kidneys. The muscle tissue of the analysed male goats contained less Cd (0.002 mg kg-1 ± 0.004) than that of the female goats (0.003 mg kg-1 ± 0.001). In turn, the level Pb was lower in the female goats (0.019 mg kg-1 versus 0.026 mg kg-1 in male goats), although the difference was statistically non-significant. In the internal organs, more Cd occurred in kidneys than in the liver, unlike Pb. The concentration Pb was higher in kidneys of the male than female goats (0.073 mg kg-1 ± 0.02), whereas the level of this element the liver was identical in both groups (0.084 mg kg-1 ). In the muscule tissue, the sex differentiated the content of Fe (p = 0.01) as well as Mg and Zn (p = 0.05). The liver accumulated not only Pb and Cd, but also Cu and Zn. The concentration Cu in the liver of female goats was higher (146.79 mg kg-1 at p = 0.01) than in male goats by about 50 mg kg-1. High disproportions between the sexes in the content of Fe in the liver were observed: 36.30 mg kg-1 for female goats and 21.99 mg kg-1 for male goats (p = 0,01). In kidneys, however, the concentration of Ca was very high, particularly for female goats particularly (81.01 ± 26.55 mg kg-1).
5

The influence of anaerobic fermentation on the survival of microorganisms

67%
Paluszak Z.
Electronic Journal of Polish Agricultural Universities. Series Veterinary Medicine
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1998
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tom 01
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nr 1
The subject of investigations was the evaluation of sanitary-hygienic state of slurry subject to anaerobic fermentation in bioreactor under thermophilic conditions. The influence of anaerobic fermentation on the survival of Salmonella senftenberg, EHEC and streptococci D group was specified. It turned out from investigations that after 4 hours the number of Salmonella senftenberg and EHEC bacteria decreased 108 times in relation to the control test. The lowest elimination rate was for streptococci D group. The percentage of invasive eggs of Ascaris suum decreased after 4 hours from 89% to 7%. The investigation proved proper run of anaerobic process in bioreactor and sufficient desinfection of cattle slurry.
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