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    Wyświetlanie 1-12 z 12
    Tytuł:
    Treatment of wastewater from the production of meat and bone meal by the Fenton process and coagulation
    Autorzy:
    Makara, Agnieszka
    Kowalski, Zygmunt
    Radomski, Piotr
    Olczak, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/2174824.pdf
    Data publikacji:
    2022
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    wastewater
    meat and bone meal
    Fenton process
    coagulation
    chemical oxygen demand
    Opis:
    Wastewater from the production of meat and bone meal, due to the high load of organic matter and suspended solids, is a significant problem in the process of its treatment. In this work, we examined the method of treating this wastewater using coagulation with hydrogen peroxide and the Fenton process. Treatment variants included the use of variable Fe2+/H2O2 ratios of 1:5–1:30, variable doses of 3–18.0 g/L H2O2, and 5–10 mL/L of coagulant PIX 113. The calculated reduction degrees showed that, regardless of the treatment variant used, the greatest reduction was obtained for turbidity (100%), phosphorus (99%), followed by color (97%), chemical oxygen demand (70%), and Kjeldahl nitrogen (48%). The proposed treatment options can be used as a preliminary stage in treating wastewater from the production of meat and bone meal.
    Źródło:
    Polish Journal of Chemical Technology; 2022, 24, 4; 51--60
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The effect of meat and bone meal applied without or with mineral nitrogen on macronutrient content and uptake by winter oilseed rape
    Autorzy:
    Nogalska, A.
    Zaluszniewska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1192383.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Tematy:
    rapeseeds
    straw
    nitrogen
    phosphorus
    potassium
    calcium
    magnesium
    animal meal
    Opis:
    Meat and bone meal (MBM) can be a viable alternative to natural, organic and mineral fertilizers because it is rich in nitrogen (N), phosphorus (P), calcium (Ca), micronutrients and organic matter that can be recycled back into agricultural land. The aim of this study was to determine the optimal dose of MBM for winter oilseed rape (Brassica napus L.). Meat and bone meal was applied at three doses (1.0, 1.5 and 2.0 Mg ha-1) with the addition of mineral nitrogen at 79 and 40 kg N ha-1, and without the addition of mineral nitrogen (0 kg N ha-1), respectively. The effects exerted by MBM were compared with those exerted by mineral NPK fertilization (control treatment). Since MBM had low K content, K rate was 145 kg ha-1 in all treatments, and it was applied with mineral fertilizers. The macronutrient (N, P, K, Ca and Mg) content of winter oilseed rape seeds and straw, and macronutrient uptake by aboveground biomass were evaluated. A small-scale field experiment was conducted in northeastern Poland. The experiment had a randomized block design, and it was established on Dystric Cambisol developed from loamy sand. Changes in the uptake of the analyzed macronutrients and their concentrations in winter oilseed rape seeds and straw were affected by fertilization and weather conditions. Supplemental mineral N was applied before sowing to widen the narrow N/P ratio in MBM, which had a beneficial influence on the mineral composition and macronutrient uptake by the aboveground biomass of winter oilseed rape. Macronutrient (N, P, Ca and Mg) uptake by plants was highest in the treatment with the lowest MBM dose (1.0 Mg MBM ha-1) supplemented with 79 kg mineral N (50% N from mineral fertilizer and 50% N from MBM). The results of this study indicate that MBM applied at the dose of 1.0 t ha-1 meets the P and N requirements of winter oilseed rape in 100% and 50%, respectively. Therefore, the recommended mineral N fertilizer rate for winter oilseed rape can be reduced by 50%.
    Źródło:
    Journal of Elementology; 2020, 25, 3; 905-915
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Utilization of Animal Meal for Growing of Willow Dedicated for Energy
    Autorzy:
    Nogalska, A.
    Klasa, A.
    Skwierawska, M.
    Pilejczyk, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/952408.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Inżynierii Ekologicznej
    Tematy:
    willow coppice
    soil
    N
    P
    meat and bone meal (MBM)
    Opis:
    The aim of the study was to evaluate the effects of increased rates of meat and bone meal (MBM) to the soil on biomass yield, nitrogen (N) and phosphorus (P) content, and their accumulation in above ground biomass Salix viminalis, as well as the content of mineral N and available P forms in the soil. A two-year pot experiment was conducted at Warmia and Mazury University in Olsztyn (north-eastern Poland). Average biomass yield from two seasons of the studies was three higher from MBM treatments comparing to unfertilized control. Higher rates of MBM particularly in the second year showed higher yielding potential compared with mineral fertilizers. Willow biomass harvested from MBM treatments generally showed lower content of studied nutrients than willow from control treatment. It was found that in relation to the control accumulation of N in willow above ground biomass was significantly lower for 0.5% MBM treatment and significantly higher for the treatment with the highest rate (2.0%). The higher accumulation of P was found in the second year after MBM application, except treatment with the lowest MBM rate. Correlation coefficients values indicated that there is a relation between MBM rate and content of mineral N and available P in soil.
    Źródło:
    Journal of Ecological Engineering; 2016, 17, 4; 248-254
    2299-8993
    Pojawia się w:
    Journal of Ecological Engineering
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of meat and bone meal on the content of microelements in the soil and wheat grains and oilseed rape seeds
    Autorzy:
    Stepien, A.
    Wojtkowiak, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/16104.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Tematy:
    meat meal
    bone meal
    microelement content
    soil
    wheat
    grain
    oilseed rape
    rapeseed
    copper
    iron
    manganese
    zinc
    Opis:
    A possible way to maintain the right level of soil fertility involves using some waste as fertilizer, provided its composition does not violate the pertinent local safety standards. There is currently considerable interest in using meat industry waste, both raw and processed, e.g. meat and bone meal. An experiment on meat and bone meal (MBM) was conducted from 2007-2009 at the research station in Bałcyny (53°36′ N, 19°51′ E), Poland. The aim was to determine the effect of meat and bone meal (MBM) on the content of selected micronutrients in soil as well as in winter and spring wheat grain and in of winter oilseed rape seeds. The effect of MBM fertilizer applied at doses of 1.0, 1.5, 2.0 and 2.5 t ha-1 was compared with mineral fertilization or no fertilization. The experiment did not show any effect of the growing MBM doses on the concentration of micronutrients in soil. As a result of using higher doses of MBM (1.5, 2.0 t ha-1), the content of Cu in 2009 and of Zn in 2007 considerably decreased (2.0 and 2.5 t ha-1). Fertilization with MBM at 2.5 t ha-1 improved the quality of winter wheat grain by increasing the content of Cu, Fe, Mn and Zn. In most cases, the application of MBM increased the content of micronutrients in the grain of spring wheat and seeds of winter rape, although this has not always been confirmed statistically. An analysis of the micronutrient contents revealed a significant decrease in Zn and Fe in winter wheat grain and in Zn in winter oilseed rape seeds as the content of these elements in the soil increased. Regarding the relationship between the Zn content in soil and in seeds of winter oilseed rape, the coefficient of determination was the closest to the coefficient of linear correlation (R2 = 0.931). It was only in 2008 that an increase in the Cu content in winter oilseed rape seeds was determined to have increased parallel to an increase in the micronutrient content in soil. Although the chemical content of MBM implicates its good fertilizer value, the study failed to demonstrate a clearly defined impact of the increased MBM doses on the content of the analysed elements in the soil. This may be attributed to the increase in the bioavailable nitrogen forms, which constitute part of the sorption complex. Their bioavailability may also be subject to mutual relationships among elements, which may act antagonistically (Fe and Mn, Ca and Zn).
    Źródło:
    Journal of Elementology; 2015, 20, 4
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Changes in the soil nitrogen content caused by direct and residual effect of meat and bone meal
    Zmiany zawartości azotu w glebie jako efekt bezpośredniego i następczego działania mączki mięsno-kostnej
    Autorzy:
    Nogalska, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/14137.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Opis:
    Animal meat and bone meals need to be used for crop production since they have been eliminated from feeds in animal nutrition following the breakout of BSE (Bovine Spongiform Encephalopathy) in cattle. The Decision of the Council of the European Union of 4 December 2000 prohibited adding processed animal protein to feeds for cattle, pigs and poultry. In Poland, this ban was imposed by the decision of the government of 1 November 2003. Meat and bone meals can be an alternative source of nutrients to mineral nitrogen and phosphorus fertilizers because they are rich in these two elements; in addition, they contain calcium, micronutrients and organic substance. The objective of this study has been to evaluate the direct and residual effects of meat and bone meal (MBM) applied in different doses on the content of total nitrogen and its mineral forms in soil, which can indicate a potential threat of environmental contamination and demonstdose the uptake of nitrogen by plants. In 2006-2010, field tests were carried out at the Experimental Station in Ba³dy, owned by the University of Warmia and Mazury in Olsztyn. The field trials were set up on typical brown soil. The first order experimental factor was the MBM dose (1.0, 1.5, 2.0 and 2.5 t ha–1 year–1 and 2.0, 3.0, 4.0 and 5.0 t ha–1 every two years); the second order factor was the year of the experiment (4 years). The four-year experiment shows that changes in the soil content of mineral nitrogen forms depended on the dose of MBM, species of crops and weather conditions. Meat and bone meal introduced to soil in large doses, irrespective of the frequency of application, caused a significant increase in the soil’s richness in total and mineral nitrogen against the mineral fertilization. The content of N-NO3 – in soil increased significantly due to the residual effect of large doses of MBM (4.0 and 5.0 t ha–1) and the annual application of 2.5 t MBM ha–1. All the determined concentrations of N-NO3 – in soil were within the range of very low levels. The lowest content of Nmin. was detected in soil after winter wheat in the third year of the investigations, which was characterized by an uneven distribution of precipitations, and the amount of N-NO3 – was the lowest in the first year, after winter triticale. The crops took up more nitrogen from soil enriched with MBM (except for the smallest dose) than from fields given mineral fertilization.
    Źródło:
    Journal of Elementology; 2013, 18, 4
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Detection and identification of banned processed animal protein in feedingstuffs by microscopic and PCR methods
    Autorzy:
    Weiner, A.
    Golebiowska, A.
    Paprocka, I.
    Kwiatek, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/30136.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    detection
    identification
    processed animal protein
    microscopic method
    polymerase chain reaction
    feeding stuff
    meat meal
    bone meal
    Opis:
    The aim of the study was to present the results of comparative evaluation of the usefulness of PCR and microscopic methods for the detection of Processed Animal Protein (PAP) in feedingstuffs. In the validation study, the limit of the detection for PCR was determined on 0.05% for beef, 0.1% for pork and 0.2% for poultry meat and bone meal (MBM). Among 62 doubtful samples of feedingstuffs examined by microscopic method 41 (66.13%) were found as positive. Based on the results obtained with the use of the microscopic and PCR methods it is possible to state that the molecular biology methods can, at present, be used as a supplementary method in PAP detection.
    Źródło:
    Polish Journal of Veterinary Sciences; 2012, 15, 1
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of meat and bone meal and effective microorganisms on content and composition of protein in crops. Part I. Spring wheat
    Wpływ mączek mięsno-kostnych i efektywnych mikroorganizmów na zawartość i skład białka w roślinach. Cz.I. Pszenica jara
    Autorzy:
    Stepien, A.
    Wojtkowiak, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/46683.pdf
    Data publikacji:
    2011
    Wydawca:
    Politechnika Bydgoska im. Jana i Jędrzeja Śniadeckich. Wydawnictwo PB
    Opis:
    The purpose of this paper was determination of the effect of meat and bone meal applied without and with effective microorganisms compared with manure fertilization, mineral fertilizers or lack of fertilization on grain true protein content and composition of spring wheat cv. Nawra and Tybalt. The five-year studies (2005-2009) with crop rotation were conducted in Bałcyny at the Experimental and Plant Production Station near Ostróda. It was observed, that the applied fertilization with NPK as well as with manure and meat and bone meal in doses from 1.0 to 2.5 t·ha-1 affected the significant increase in protein content in grain of the studied spring wheat cv. Tybalt in 2009. Under the effect of the applied meat and bone meal, mainly the gliadin and glutenin content in spring wheat grain of both cultivars increased. The most beneficial influence on protein composition (high percentage participation of constitutional and storage proteins in relation to the total protein content) had fertilization with 1.5 t·ha-1 dose of meat and bone meal.
    Celem pracy było określenie wpływu mączek mięsno-kostnych stosowanych samodzielnie bądź z efektywnymi mikroorganizmami – w porównaniu z nawożeniem obornikiem, nawozami mineralnymi lub brakiem nawożenia – na zawartość i skład białka prostego ziarna pszenicy jarej odmian Nawra i Tybalt. Badania prowadzono w pięcioletnim zmianowaniu roślin w latach 2005-2009 w Zakładzie Produkcyjno- -Doświadczalnym w Bałcynach koło Ostródy. Stwierdzono, że zastosowane nawożenie zarówno NPK, obornikiem, jak i mączką mięsno-kostną w dawkach od 1,0 do 2,5 t·ha-1 wpłynęło na istotny wzrost zawartości białka w ziarnie pszenicy jarej odmiany Tybalt uprawianej w 2009 r. Pod wpływem zastosowanej mączki mięsno-kostnej zwiększała się przeważnie zawartość gliadyn i glutenin w ziarnie pszenicy jarej obu odmian. Najbardziej korzystnie na skład białka (duży procentowy udział białek konstytucyjnych i zapasowych w stosunku do ogólnej zawartości białka) oddziaływało nawożenie mączką w dawce 1,5 t·ha-1.
    Źródło:
    Acta Scientiarum Polonorum. Agricultura; 2011, 10, 4
    1644-0625
    Pojawia się w:
    Acta Scientiarum Polonorum. Agricultura
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effect of meat and bone meal and effective microorganisms on content and composition of protein in crops. Part II. Faba bean and winter wheat
    Wpływ mączek mięsno-kostnych i efektywnych mikroorganizmów na zawartość i skład białka w roślinach. Cz.II. Bobik i pszenica ozima
    Autorzy:
    Wojtkowiak, K.
    Stepien, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/46557.pdf
    Data publikacji:
    2011
    Wydawca:
    Politechnika Bydgoska im. Jana i Jędrzeja Śniadeckich. Wydawnictwo PB
    Opis:
    In the field experiment carried out in the years 2005-2009 at the Eperimental and Plant Production Station in Bałcyny near Ostróda, effect of meat and bone meal was studied applied with or without the addition of effective microorganisms and NPK, manure and with no fertilization on the amount and fraction composition of protein in the faba bean seeds cv. Titus and winter wheat grain cv. Oliwin. The research was conducted in 5-year crop rotation. It was found that protein content in faba bean seeds increased only under conditions of mineral fertilizations (P and K), while in winter wheat also after application of manure and meat and bone meal, especially at a rate of 2.5 t·ha-1 with the addition of effective microorganisms. Under the effect of meat and bone meal fertilization, in the protein of wheat grain, there occurred an increase in the proportion of protein fractions, albumins and globulins. Application of meat and bone meals without the addition of effective microorganisms or with its addition in faba bean fertilization is pointless with regard to lack of their actual effect on the content and composition of protein, compared with mineral and organic fertilization.
    W doświadczeniu polowym założonym w latach 2005-2009 w Zakładzie Produkcyjno-Doświadczalnym w Bałcynach koło Ostródy badano wpływ mączki mięsno- -kostnej stosowanej samodzielnie lub z udziałem efektywnych mikroorganizmów oraz NPK, obornika i braku nawożenia na ilość i skład frakcyjny białka nasion bobiku odmiany Titus i ziarna pszenicy ozimej odmiany Oliwin. Badania prowadzono w pięcioletnim zmianowaniu. Stwierdzono, że zawartość białka w nasionach bobiku zwiększyła się jedynie w warunkach nawożenia mineralnego (P i K), natomiast w pszenicy ozimej również po zastosowaniu obornika i mączki mięsno-kostnej, szczególnie w dawce 2.5 t·ha-1 z dodatkiem efektywnych mikroorganizmów. Pod wpływem nawożenia mączką mięsno-kostną w białku ziarna pszenicy zwiększał się udział frakcji białek albumin i globulin. Stosowanie mączek mięsno-kostnych bez dodatku efektywnych mikroorganizmów lub z ich dodatkiem w nawożeniu bobiku jest niecelowe ze względu na brak efektywnego oddziaływania na zawartość i skład białka w porównaniu z nawożeniem mineralnym i organicznym.
    Źródło:
    Acta Scientiarum Polonorum. Agricultura; 2011, 10, 4
    1644-0625
    Pojawia się w:
    Acta Scientiarum Polonorum. Agricultura
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Otrzymywanie białka niskotemperaturowego mocno żelującego (żelatyny) metodami chemicznymi
    Preparation of low temperature strongly gelling protein (gelatine) by chemical methods
    Autorzy:
    Kowalski, Z.
    Banach, M.
    Makara, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1220250.pdf
    Data publikacji:
    2011
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Przemysłu Chemicznego. Zakład Wydawniczy CHEMPRESS-SITPChem
    Tematy:
    żelatyna
    białko niskotemperaturowe
    skóry wieprzowe
    miazga mięsno-kostna
    gelatin
    low-temperature protein
    pigskin
    meat and bone meal
    Opis:
    Badano proces otrzymywania białka niskotemperaturowego mocno żelującego, zbliżonego swoimi własnościami do żelatyny, z dwóch surowców: zmielonych surowych skór wieprzowych i miazgi mięsno-kostnej, powstałej w wyniku rozdrobnienia kości wieprzowych. W przypadku skór wieprzowych, zastosowano proces niskotemperaturowy, natomiast dla miazgi mięsno-kostnej, wybrano wyższe temperatury hydrolizy. Stwierdzono, że zarówno ze skórek wieprzowych jak i z miazgi mięsno-kostnej, można otrzymać żelujące roztwory białkowe.
    The studies covered the production process of low-temperature protein with strong gelling properties, similar to gelatine, from two raw materials: minced raw pigskin, and meat and bone meal from ground pig bones. A low-temperature process was used for the pigskin, and higher temperatures of hydrolysis were selected fo the meat and bone meal. It was found that gelling protein solutions can be produced both from pigskin and meat and bone meal.
    Źródło:
    Chemik; 2011, 65, 10; 1085-1092
    0009-2886
    Pojawia się w:
    Chemik
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Phosphorus recovery from waste - methods review
    Autorzy:
    Wzorek, Z.
    Gorazda, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/779805.pdf
    Data publikacji:
    2007
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    odzysk fosforu
    ścieki
    pomioty
    osad ściekowy
    mączka mięsno-kostna
    phosphorus recovery
    waste
    manure
    sewage sludge
    meat-bone meal
    Opis:
    According to sustainable development principles, searching for alternative phosphorus sources, especially possible ways of its recycling from waste, should be treated as a preferential problem of the phosphorus industry. The ways admitted as most important are: - phosphorus recovery from municipal and industrial sewage and from sewage sludge, - utilization of phosphorus from manure, - management of waste from meat industry. The forecasts elaborated at the end of the last century, indicate that over 50% of the world phosphorus resources in use today will be depleted during the next 60 - 70 years. That fact contributes to increase of market prices of phosphorus products. This work presents possible directions for the recovery and management of sewage sludge, meat meal and manure as a phosphorus source for chemical industry.
    Źródło:
    Polish Journal of Chemical Technology; 2007, 9, 2; 57-60
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Waste release from meat processing
    Autorzy:
    Wzorek, Z.
    Konopka, M.
    Cholewa, J.
    Klamecki, G.
    Bajcer, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/777877.pdf
    Data publikacji:
    2007
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    odpady przemysłu mięsnego
    mączka mięsno-kostna
    tłuszcz
    kości
    meat
    meat-bone meal
    fat
    bones
    Opis:
    The aim of our work is model solution management of waste from meat industry, which would lead to zero waste production with the use of cleaner technology. The process will allow to obtain semi-finished products to be then reused for both meat industry and energy recovery. The model will include thermal utilization of meat, meat-bone and other meat industry waste. The ashes with strictly specified properties containing phosphorus components will be used as a potential raw material for the production of phosphoric acid and salts used in meat production. The new technology is going to be developed in one of the biggest meat factories in Poland - DUDA-BIS in Sosnowiec. The strategic aim of the factory is meat processing with zero waste. That would help to avoid problems with meat waste transport and the expensive utilization of waste to meat-bone meal. The reuse of suitably processed meat waste in meat production will permit to lower production costs. This model will satisfy the requirements of BATNEEC - Best Available Technology No Entailing Excessive Costs. This procedure is advantageous also because in the EU market there are 18 million tons of meat by-products per year. Regardless of how the utilization problems could be solved, suitably processed meat industry waste can be treated as a potential substitute for phosphoric raw materials. According to the forecast, 50% of phosphoric raw material deposits used at the moment will be exhausted in the next 60 - 70 years. As a result a necessity for a new source of the raw materials has arisen.
    Źródło:
    Polish Journal of Chemical Technology; 2007, 9, 3; 91-94
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Wykorzystanie kazeiny w mieszankach dla tuczników
    Kazein v kormosmesjakh dlja otkormochnykh svinejj
    Casein in mixtures for fattening pigs
    Autorzy:
    Zebrowski, Z.
    Blicharski, T.
    Tyrolczyk, Z.
    Koslacz, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/801229.pdf
    Data publikacji:
    1990
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
    Tematy:
    kazeina
    tuczniki
    nioski
    maczka miesno-kostna
    jeczmien
    dzienne przyrosty
    casein
    fattener
    laying hen
    meat-and-bone meal
    barley
    daily gain
    Opis:
    Целью соответствующего опыта было сравнение результатов откорма свиней с использованием кормосмеси составленной из ячменя с примесью мясной и костной муки или казеина (класса II или III) как источников белка. Количество белковых прибавок отвечало польскому стандарту кормления сельскохозяйственных животных. Опыт охватывал 224 помесных свиней держимых в станках (7 голов на станок). Не наблюдались существенные различия в средних привесах и в использовании кормов между опытными группами. Результаты убойного выхода 36 свиней (по 12 голов в группе) не показывали существенных различий между группами. Результаты опыта позволили констатировать, что казеин II-го и III-го класса и мясная н костная мука отеoественного производства характеризуются сравнительно хорошими кормовыми достоинствами как белковые прибавки в ячменю в рационах для растущих поросят.
    The experiment was established to compare results of fattening pigs with barley mixed with meat and bone meal of casein (II and III class) as a protein additive. The amount of protein additive was set according to the Polish Standards for Feeding Housejold Animals IX Ed. In experiment were 224 crossbred pigs kept in pens (7 per pen). There was no statistically significant differences in average daily gain and feed conversion between experimental groups. The results of slaughter quality of 36 pigs (12 per group) did not show any significant differences between the groups. The results of the experiment prove that casein II and III class and produced in Poland meat and bone meal have comparative nutritional value as sole protein additive to the barley in diets for growing pigs.
    Źródło:
    Zeszyty Problemowe Postępów Nauk Rolniczych; 1990, 384
    0084-5477
    Pojawia się w:
    Zeszyty Problemowe Postępów Nauk Rolniczych
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-12 z 12

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