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Wyświetlanie 1-15 z 83
Tytuł:
Methane fermentation of poultry manure — shortcomings and advantages of the technology: fermentation or co-fermentation?
Autorzy:
Sakiewicz, P.
Cebula, J.
Piotrowski, K.
Bohdziewicz, J.
Powiązania:
https://bibliotekanauki.pl/articles/1191819.pdf
Data publikacji:
2019
Wydawca:
Gdańska Szkoła Wyższa
Tematy:
methane fermentation
biogas
poultry breeding industry
poultry manure
co-fermentation
Opis:
Overcoming of technological barriers in methane fermentation of substrates including poultry manure derived from poultry-breeding industry is regarded as one of strategic trends in biogas-technology development. The essential limitations and possibilities of such substrates for biogas production is presented here. It should be emphasized, that biogas production based on poultry manure from industrial-scale farms is effective solution of important ecological problem with simultaneous production of green energy and efficient solution of odours emission from the poultry breeding farm. Methane co-fermentation of post-processed bedding premixed with poultry manure solves, at least partly, problem of correct C/N ratio in the substrate mixture.
Źródło:
Eco-Energetics: technologies, environment, law and economy; 2019, 2; 97--104
2657-5922
2657-7674
Pojawia się w:
Eco-Energetics: technologies, environment, law and economy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of disease management and biosecurity measures among poultry farmers in Adamawa State, Nigeria
Ocena systemu zarządzania chorobami i środków bezpieczeństwa biologicznego stosowanych przez hodowców drobiu w stanie Adamawa w Nigerii
Autorzy:
Hyelda, J.A.
Amurtiya, M.
Polycarp, M.
Balthiya, A.
Powiązania:
https://bibliotekanauki.pl/articles/2622691.pdf
Data publikacji:
2020
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
disease management
poultry disease
parasite
biosecurity
poultry farming
farmer
Adamawa State
Nigeria
Źródło:
Acta Scientiarum Polonorum. Zootechnica; 2020, 19, 3; 85-91
1644-0714
Pojawia się w:
Acta Scientiarum Polonorum. Zootechnica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Prospects of table eggs production in Belarus
Autorzy:
Sytchevnik, A.
Golovkov, V.
Powiązania:
https://bibliotekanauki.pl/articles/573919.pdf
Data publikacji:
2010
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
Belorussia
egg production
poultry
farming
production efficiency
efficiency factor
poultry farm
production cost
Opis:
Problems of development of egg production in Belarus are considered. Dynamics of volume of egg production is considered for the period of 1995-2009. Results of production and sale of eggs by integrated (mass production) poultry farms are analyzed by means of a correlation method.
Źródło:
Zeszyty Naukowe Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie. Problemy Rolnictwa Światowego; 2010, 10(25), 3
2081-6960
Pojawia się w:
Zeszyty Naukowe Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie. Problemy Rolnictwa Światowego
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of selected agricultural wastes as viable sources of vitamin supplements in poultry feeds
Autorzy:
Enenebeaku, C. K.
Enenebeaku, U. E.
Ezejiofor, T. I. N.
Powiązania:
https://bibliotekanauki.pl/articles/1109531.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
agricultural wastes
poultry feeds
vitamins
Opis:
The vitamin content of selected agricultural wastes was evaluated as supplements in poultry feeds. The agricultural wastes considered in this study include; cassava bagasse, beans coat, pineapple peel, avocado pear seed, watermelon peel, fluted pumpkin stalk, potato peel, Mix. A - mixture of all wastes (ratio, 1:1:1), Mix. B - mixture of bean jackets, avocado pear seed and potato peel (ratio, 1:1:1). The vitamins considered were Vitamin A, Vitamin D, Vitamin B12, Vitamin E, Vitamin K, Pantothenic acid, Niacin, Biotin and Pyridoxine. Cassava bagasse gave the highest amount of vitamin A (0.36±0.06 mg/l), whereas this vitamin was totally absent in fluted pumpkin stalk. This waste also gave the highest amount of vitamin E (0.99±0.21 mg/l). The highest amount of vitamin D (10.35±0.21 mg/l) was obtained from watermelon peel, while the highest amount of vitamin B12 (0.08±0.04 mg/l) was gleaned from a mixture of all the wastes (Mix. A). The wastes were quite low in vitamin K - herein, Mix. B (bean jackets, avocado pear seed, and potato peel) gave the highest amount (2.36±0.16 mg/l). Finally, pineapple peel gave the highest amount of pantothenic acid (8.55±0.35 mg/l), niacin (5.95±0.53 mg/l), biotin (0.08±0.03 mg/l), as well as pyridoxine (2.45±0.55 mg/l). These results were compared with the standards required for feed formulation for different categories of poultry birds. Our findings revealed that these agro-wastes contain vitamin levels that did not differ significantly from the standards required for feed formulation for different categories of poultry birds. Hence, they can serve as good supplements for vitamins in poultry feeds. Harnessing the vitamin contents of these wastes as supplements in poultry feed will increase animal production and ensure food security in terms of protein supply.
Źródło:
World News of Natural Sciences; 2018, 20; 103-120
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Presence of microorganisms at various stages of poultry wastes management. Part I. Keratinolytic microorganisms
Autorzy:
Wrońska, I.
Cybulska, K.
Powiązania:
https://bibliotekanauki.pl/articles/123517.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
microorganisms
keratin
poultry waste
composting
Opis:
Poultry waste management is a difficult and arduous process. This requires a number of steps of processing the organic substances included in the waste mass from poultry industry. These wastes, due to the high content of keratin, are hardly degradable. One of the possibilities of their decomposition is the use of highly-active microorganisms. The aim of the study was to determine the presence of keratinolytic microorganisms at the selected stages of poultry waste management. The research material consisted of slime originating from liquid waste reservoir, biological sludge, and proper compost. Analyses were performed on mineral substrates containing keratin as the only carbon source. Based on the study, the presence of keratinolytic microorganisms was found in all materials. The slime was the most numerously inhabited waste, while proper compost the least. Predominant group of microorganisms, regardless of the tested material type, was composed of bacteria.
Źródło:
Journal of Ecological Engineering; 2016, 17, 5; 43-48
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Genotype - factor influencing performance of chicken production
Genotyp - czynnik warunkujący wyniki produkcyjne w stadach kurcząt rzeźnych
Autorzy:
Zdanowska-Sasiadek, Z.
Michalczuk, M.
Riedel, J.
Lukasiewicz, M.
Damaziak, K.
Powiązania:
https://bibliotekanauki.pl/articles/2930.pdf
Data publikacji:
2013
Wydawca:
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:
genotype
performance factor
chicken
animal production
poultry
Opis:
The aim of this study was to establish the effect of the genotype on performance of chickens. The experimental material included 1,320 slow-growing chickens with two genotypes Hubbard JA 957 - available on the Polish market hybrid with a declared slow growth and non-commercial hybrid CxGP, for creation of which a light native breed Greenleg Partridge hens were used. Chickens were maintained up to 63 days of age. During the experiment body weight, feed intake and health of the birds were under control. Based on the observations the growth rate and the feed conversion ratio (FCR) were determined. It was found, that chickens CxGP were characterized by lower body weight, slower rate of growth and higher feed conversion ratio compared with the chickens Hubbard JA 957, but chickens CxGP had a higher health.
Genotyp - czynnik warunkujący wyniki produkcyjne w stadach kurcząt rzeźnych. Celem badania było określenie wpływu genotypu na wyniki produkcyjne kurcząt. Badania przeprowadzono na 1320 kurczętach o dwóch genotypach Hubbard JA 957 - dostępnym na rynku polskim mieszaniec o deklarowanym wolniejszym tempie wzrostu oraz CxZk - mieszaniec, do którego wytworzenia wykorzystano kury rasy lekkiej zielononóżki kuropatwianej. Kurczęta utrzymywano do 63. dnia życia. W czasie odchowu kontrolowano masę ciała, spożycie paszy i zdrowotność ptaków. Na podstawie prowadzonych obserwacji określono tempo wzrostu oraz wskaźnik zużycia paszy. Stwierdzono, że kurczęta CxZk charakteryzowała mniejsza masa ciała w porównaniu z kurczętami Hubbard JA 957 oraz wolniejsze tempo wzrostu. Mniejsze wykorzystanie paszy na przyrost masy ciała stwierdzono dla kurcząt Hubbard JA 957. Kurczęta CxZk charakteryzowała natomiast wyższa zdrowotność.
Źródło:
Annals of Warsaw University of Life Sciences - SGGW. Animal Science; 2013, 52
1898-8830
Pojawia się w:
Annals of Warsaw University of Life Sciences - SGGW. Animal Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Cultivation and use of faba beans (Vicia faba minor) as a component in poultry feed
Autorzy:
Różewicz, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/2147932.pdf
Data publikacji:
2020-11-30
Wydawca:
Instytut Uprawy Nawożenia i Gleboznawstwa – Państwowy Instytut Badawczy
Tematy:
faba beans
fodder protein
poultry feed
legumes
Opis:
 Popularization of faba bean cultivation among growers can increase the supply of seeds of this crop on the Polish market. Thanks to the fact that more seeds will be available, especially low-tannin varieties, it may also increase the interest of the feed industry in this component, mainly of the poultry feed production sector. Studies have shown that the partial replacement of soybean meal with faba bean in mixture feeds does not adversely affect the production performance of birds. Refining treatments additionally increases nutritional value of seeds and the use of protein from them. Thanks to their starch content faba bean seeds bring a certain amount of energy into the mixtures. This is particularly important in view of the ban on the use of GMO feed materials in animal nutrition and, to some extent, in view of the improvement in the supply of Poland with domestic feed components.
Źródło:
Polish Journal of Agronomy; 2020, 42; 34-39
2081-2787
Pojawia się w:
Polish Journal of Agronomy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Factors Influencing Composting Poultry Waste
Autorzy:
Kopeć, M.
Chmiel, M.
Gondek, K.
Mierzwa-Hersztek, M.
Antonkiewicz, J.
Powiązania:
https://bibliotekanauki.pl/articles/124483.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
poultry waste
cellulose
yeast
compost
biological activity
Opis:
Organic recycling of waste, taking into account sanitary safety, should be a fundamental method for recovering the nutrients present in the waste for plants and organic matter. It also refers to byproducts of animal origin, which are not intended for con-sumption by humans. In the present research , composting of hydrated poultry slaugh-terhouse waste with maize straw was carried out. A combination with fodder yeast and post-cellulose lime was also introduced, which modified chemical and physico chemical properties of the mixtures. The experiment was carried out by recording the biomass temperature for 110 days in 1.2×1.0×0.8 m reactors with perforated bottoms enabling active aeration. The following parameters were taken into consideration in the composted material: carbon, nitrogen, sulfur, respiratory activity, microorganisms, fractions of compost obtained after washing on sieves. Small amounts of fodder yeast favoured the development of microorganisms and caused a sanitary risk in the final product. At the initial stage, the temperature of raw compost in that object was several degrees lower than in the case of the composted mass without yeast addition. The addition of post-cellulose lime at ratios 6.5:1:6.5 (maize straw: poultry slaughterhouse waste: post-cellulose lime) caused a change in the time of microbiological activity, and led to its inhibition in the final process. In comparison to objects with poultry waste, the highest degree of hygienization was found in the compost with post-cellulose lime (with pH close to neutral). By adjusting the ratios of substrates we can influence the microbiological activity, but the amounts of individual substrates should be determined taking into account the quality of the obtained compost.
Źródło:
Journal of Ecological Engineering; 2015, 16, 5; 93-100
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Occupational exposure to airborne microorganisms, endotoxins and beta-glucans in poultry houses at different stages of the production cycle
Autorzy:
Lawniczek-Walczyk, A.
Gorny, R.L.
Golofit-Szymczak, M.
Niesler, A.
Wlazlo, A.
Powiązania:
https://bibliotekanauki.pl/articles/51116.pdf
Data publikacji:
2013
Wydawca:
Instytut Medycyny Wsi
Tematy:
occupational exposure
airborne microorganism
endotoxin
beta-glucan
poultry house
different stage
production cycle
poultry farm
animal farm
bioaerosol
Opis:
The aim of the presented study was to assess the exposure of poultry workers to airborne microorganisms, endotoxins and β-glucans during different stages of the chicken production cycle in 3 commercially-operated poultry houses. Personal and stationary sampling was carried out to assess exposure to both viable and total microbial aerosols. The stationary measurements of PM10 were performed to establish the level of endotoxins and β-glucans. The concentrations of bacterial and fungal aerosols ranged from 2.5×102 CFU/m3 – 2.9×106 CFU/m3, and from 1.8×102 CFU/m3 – 1.8×105 CFU/m3, respectively. The number of culturable microorganisms was significantly lower than their total counts, constituting from 0.0004% – 6.4% of the total microbial flora. The level of PM10 in poultry facilities did not exceed 4.5 mg/m3. After the flock entered the clean house, the level of endotoxins and β-glucans increased from below detection limit to 8,364 ng/m3 and from 0.8 ng/m3 to 6,886 ng/m3, respectively. The presented study shows that professional activities in poultry farms are associated with constant exposure to bioaerosol, which may pose a health hazard to workers. It was found that workers’ exposure to airborne microorganisms increased with consecutive stages of the chicken production cycle.
Źródło:
Annals of Agricultural and Environmental Medicine; 2013, 20, 2
1232-1966
Pojawia się w:
Annals of Agricultural and Environmental Medicine
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The role of high-grade Bentonite powder in coccidiosis and its effects on feed conversion ratio and blood parameters in broiler chicken
Autorzy:
Hayajneh, F.M.F.
Abdelqader, A.
Alnimer, M.A.
Abedal-Majed, M.A.
Al-Khazaleh, J.
Powiązania:
https://bibliotekanauki.pl/articles/2087366.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
broiler
coccidiosis
calcium bentonite
poultry
triglycerides
protein
Źródło:
Polish Journal of Veterinary Sciences; 2020, 23, 1; 97-107
1505-1773
Pojawia się w:
Polish Journal of Veterinary Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Economic analysis of artificial insemination in broiler pro-duction in Oyo State, Nigeria
Autorzy:
Akinsola, Grace Oluwabukunmi
Adewumi, Matthew
Falola, Abraham
Ojediran, Ezekiel
Jimoh, Abiodun
Powiązania:
https://bibliotekanauki.pl/articles/1891894.pdf
Data publikacji:
2020-11-08
Wydawca:
Uniwersytet Przyrodniczy w Poznaniu. Wydawnictwo Uczelniane
Tematy:
artificial insemination
gross margin
poultry
technical efficiency
Opis:
Artificial Insemination (AI) in poultry production is a veritable technique in solving the problem of breeding and meeting the increasing demand. This study assesses the economics of artificial insemination in broiler production among sixty randomly selected broiler farmers in Nigeria. The analytical techniques employed include descriptive statistics, gross margin analysis, and stochastic frontier.  The result discovered that most of the farmers are male and are at their prime age. Majority of the livestock farmers have some form of formal education and a minimum of 5 (five) year experience in poultry farming. The capital was mostly sourced from the bank. Majority of the farmers has a stock size of more than 25,000 birds. They have a gross margin of N341, 933,406. Only 20% of gross income was used for operating expenses with a return on capital invested of 4.3. The mean technical efficiency was 80.70%. Feed, vaccine and stock size were statistically significant in determining efficiency while education and extension visits are the statistically significant variable influencing technical inefficiency. It is therefore recommended that affordable and accessible input, as well as training should be made available to farmers to achieve self-sufficiency and improve the economy.
Źródło:
Journal of Agribusiness and Rural Development; 2020, 57, 3; 249-254
1899-5241
Pojawia się w:
Journal of Agribusiness and Rural Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Microbiological air rating in a variety of objects during treatment of the post-slaughter poultry wastes Part I. Escherichia coli
Autorzy:
Oraibi, S. M.
Cybulska, K.
Powiązania:
https://bibliotekanauki.pl/articles/125448.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
E.coli
air
poultry waste facilities
composting
Opis:
The presence of Escherichia coli in the air of facilities involved in management and composting of post-slaughter poultry wastes in selected plants of West Western Pomerania region was studied. Measurements were made on four dates in a variety of weather conditions during the year. The study was conducted at 5 objects that differ in the type of waste and the degree of preparation for composting. These were: chemical treatment and preliminary processing plant, liquid wastes reservoir, platform for preparation of materials for composting, storage of biological sediments, and composting facility. Measurement of bacteria count was carried out in accordance with the applicable procedures on selective chromogenic TBX medium. The assays revealed the presence of E. coli at all test objects, but not always on all measurement dates. It has been shown that the presence of E. coli was from 20 to 3047 CFUm-3 of air, although the largest quantities were most frequently detected in the air of the building for post-slaughter waste pre-treatment in chemical treatment plant.
Źródło:
Journal of Ecological Engineering; 2016, 17, 5; 17-21
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of chilling and freezing of poultry meat in the presence of Campylobacter jejuni
Wpływ schładzania i zamrażania mięsa drobiowego na występowanie Campylobacter jejuni
Autorzy:
Selwet, M.
Galbas, M.
Borkowski, A.
Clapa, T.
Porzucek, F.
Powiązania:
https://bibliotekanauki.pl/articles/82896.pdf
Data publikacji:
2015
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
chilling
freezing
poultry meat
meat product
occurrence
Campylobacter jejuni
Źródło:
Folia Pomeranae Universitatis Technologiae Stetinensis. Agricultura, Alimentaria, Piscaria et Zootechnica; 2015, 36
2081-1284
Pojawia się w:
Folia Pomeranae Universitatis Technologiae Stetinensis. Agricultura, Alimentaria, Piscaria et Zootechnica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Role of garlic (Allium sativum) as feed supplements in poultry industries: An overview
Autorzy:
Aarti, Chirom
Khusro, Ameer
Powiązania:
https://bibliotekanauki.pl/articles/1031735.pdf
Data publikacji:
2020
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Allium sativum
Feed additive
Garlic
Growth performances
Poultry
Opis:
Garlic (Allium sativum) is considered as wonder drug of the medicinal world due to its multifunctional beneficial aspect. Garlic constitutes at least 33 sulphur containing compounds, several enzymes, amino acids, and minerals. Over the past few years, garlic has been utilized as potential feed supplement in order to improve the growth performances and other biochemical properties of broiler chicken. The supplementation of garlic in basal diet has significantly increased the body weight gain and feed conversion ratio of broilers. Previous studies have suggested the pivotal role of garlic as an alternative to antibiotic growth promoter in poultry industries. This review overviews the studies investigated in the recent years for improving the growth performances and other important parameters of poultry.
Źródło:
World News of Natural Sciences; 2020, 29, 3; 151-161
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Use of fly larvae Hermetia illucens in poultry feeding: a review paper
Autorzy:
Sverguzova, Svеtlana V.
Shaikhiev, Ildar H.
Sapronova, Zhanna A.
Fomina, Ekaterina V.
Makridinа, Yulia L.
Powiązania:
https://bibliotekanauki.pl/articles/1844313.pdf
Data publikacji:
2021
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
feed
Hermetia Illucens
insect feed
poultry
protein flour
Opis:
The paper presents the review of scientific publications of world literature on the use of the larvae of black soldier fly (Hermetia illucens) when feeding poultry. Nowadays, the issue of replacing traditional sources of protein when feeding poultry is very urgent, especially in connection with the global food crisis. Insects are the natural food of most birds; thus, the use of fly larvae for feed production has a biological basis. The research results presented in published works show that there are no negative effects on bird health and meat quality when feeding poultry, quail and other birds. In some cases, the experimental groups of birds gained weight slightly more slowly than the control group. Other reports indicate that birds grew at the same rate as normal birds. The quantity and quality of eggs did not differ significantly, but dietary changes affected the colour of yolks and eggshell. The effect of the addition of live larvae to the diet of young turkeys on the weight characteristics of was studied. Replacing 10% of the daily amount of feed with live Hermetia illucens larvae in the diet of turkeys showed that the daily feed intake and body weight gain of the experimental birds were significantly higher compared to the control groups, which led to a significantly higher body weight of chicks at the age of five weeks (2.19 kg vs. 2.015 kg, respectively) and a significantly lower feed conversion rate. Most researchers agree that replacing protein in poultry feed with insect flour should be partial, in the 15–30% range. Feeding with larvae that have undergone processing – grinding, chitin removing, heat treatment – is more preferable than using whole larvae, since the chitinous membrane makes larvae difficult to be digested in the digestive tract of birds.
Źródło:
Journal of Water and Land Development; 2021, 49; 95-103
1429-7426
2083-4535
Pojawia się w:
Journal of Water and Land Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 83

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