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Vodila za strokovno presojo etoloških in fizioloških potreb domačih kopitarjev
Igor Vojtic, 2017, other educational material

Abstract: Učno gradivo, ki je pred vami, je namenjeno študentom živinoreje FKBV UM. Besedilo zaokrožuje snov,ki jo obravnavajo različni predmeti (biološke osnove živinorejske proizvodnje, zdravstveno varstvo živali, osnove prehrane živali in konjereja), vendar so na tem mestu določene vsebine poglobljene in smiselno povezane v celoto, tako da lahko učno gradivo uporabljamo tudi kot priročnik za dobrobit kopitarjev in kot takšen služi razen študentom tudi aktivistom nevladnih organizacij za zaščito živali.
Keywords: kopitarji, etologija, obnašanje, motnje v obnašanju, prehrana, fiziološke potrebe, konjeniške športne discipline
Published: 18.01.2019; Views: 106; Downloads: 9
.pdf Full text (3,48 MB)

Growth performance, haematology and serum biochemistry of West African dwarf sheep fed cassava peel-oil palm leaf meal based diets in a hot humid tropics
Peter-Damian Chukwunomso Jiwuba, Lydia Chidimma Jiwuba, Moses Udoha Onyekwere, 2017, original scientific article

Abstract: The growth performance, haematological and serum biochemical characteristics of thirty-six West African Dwarf (WAD) sheep of about 10 - 12 months of age and averaged 8.53kg in weight were sourced from the College flock. Four dietary treatments designated as T1, T2, T3 and T4 were formulated to contain 0%, 10%, 20% and 30% oil palm leaf meal (OPLM) respectively were randomly assigned to the animals. The experimental animals were divided into four groups of nine animals each, with each group replicated thrice with three animals per replicate. Each group was allotted to one of the diets in a completely randomized design. The animals were weighed at the beginning of the trial and weekly subsequently and data for growth performance were generated. Blood samples were obtained from one animal in each replicate, and data generated were analyzed statistically. Average daily feed intake, total dry matter intake and average daily weight gain were significantly (P<0.05) influenced by the dietary treatment, with animals on T4 group having higher and better values. Feed conversion ratio (FCR) also differed significantly (P<0.05) with sheep on T3 and T4 (11.82 and 11.49 respectively) having the best FCR. The haematology showed that the packed cell volume (PCV), red blood cell (RBC), and mean cell haemoglobin concentration (MCV) were significantly (P < 0.05) improved at 10%, 20% and 30% inclusion levels of OPLM, respectively. Sheep in treatment groups had improved (P < 0.05) white blood cell (WBC) count than those on the control group. Serum biochemistry results showed that total protein, albumin and globulin were significantly influenced (P < 0.05) and tended to increase with increasing levels of test ingredient. Sheep in treatment groups had higher (P < 0.05) urea values than those on control. Creatinine values at 20% and 30% inclusion differed significantly (P < 0.05) with the control value. Cholesterol was significantly influenced (P < 0.05) and followed an irregular trend across the treatment groups. The results showed that inclusion of OPLM had a beneficial effect on the general performance of the WAD sheep. Therefore, 30% OPLM supplementation was recommended for optimum performance in WAD sheep.
Keywords: sheep, supplemental diets, proximate composition, oil palm leaf meal, casava peel, blood parameters
Published: 10.10.2018; Views: 72; Downloads: 6
.pdf Full text (219,92 KB)

Yield performance and agronomic efficiency in oil pumpkins (Cucurbita pepo L. group Pepo) depending on production systems and varieties
Manfred Jakop, Silva Grobelnik Mlakar, Martina Bavec, Martina Robačer, Tjaša Vukmanič, Urška Lisec, Franc Bavec, 2017, original scientific article

Abstract: In 2013 and 2014, a long-term trial (which was established in 2007) was conducted at the University Agricultural Centre in Pivola near Hoče. It included different production systems (conventional, integrated, organic, biodynamic), carried out in a field trial with oil pumpkins. The aim of the research was to analyse the effects of different production systems, varieties (hybrid and population variety) and years of production, on formation of oil pumpkin yields. The agricultural practice has been carried out in accordance with the applicable legislations and standards for the individual production system. When sowing, before fertilizing with nitrogen in early June and after the harvest, the amount of soil mineral nitrogen was monitored. We evaluated the number and weight of harvestable, unripe and decayed fruits, and yield of oil seed pumpkins and calculated the agronomic efficiency of the applied nutrients. The results showed that the year of production, the production system and the variety have a significant effect on some fruit characteristics and the yield of oil pumpkin seeds. The content of soil mineral nitrogen in May and September was significantly influenced by the production system and the year. In June, only the production system had a significant effect. The hybrid significantly increased the yields of oil pumpkin seeds in all production systems, even in the year that was less suitable for production. The agronomic efficiency of the applied nutrients in the biodynamic and organic production system is higher or equal than in the conventional production system, similarly, agronomic efficiency is higher in the hybrid compared to the oldest population variety efficiently. A comparable oil pumpkin yield can be expected in biodynamic and organic production, when proper nutrition and well carried out cultivation practices are combined with a new variety, when compared to less sustainable production systems, which often cause damage to the environment.
Keywords: production systems, variety, oil pumkins, mineral nitrogen, agronomic efficiency, yield
Published: 10.10.2018; Views: 114; Downloads: 14
.pdf Full text (290,91 KB)

Blood profile and gut microbial load of broilers fed siam weed (Chromolaena odorata) leaf meal in their diets
Peter-Damian Chukwunomso Jiwuba, Ifeanyi Princewill Ogbuewu, Elisha Dauda, Caritas Chibuike Azubuike, 2017, original scientific article

Abstract: The responses of 96 day old broilers fed Chromolaena odorata leaf meal (COLM) on blood profile and gut microbial load were studied for 49 days. The birds were randomly assigned to four treatment groups and replicated three times in a completely randomized design. The birds were fed four experimental diets formulated at 0%, 2%, 4% and 6% for the starter phase and 0%, 4%, 8% and 12% of COLM at the finisher phase for T1, T2, T3 and T4 respectively. All the haematological parameters were similar (P>0.05) across the treatment groups except MCH and WBC which were significantly (P< 0.05) higher and better in the treatment groups than the control group. The results on serum chemistry showed significant (P<0.05) difference for total protein, albumin, creatinine and cholesterol across the treatment groups. Cholesterol was significantly (P<0.05) reduced with increasing levels of COLM. Results showed that coliforms and E.coli were consistently higher (P<0.05) among the T1 birds than those fed T2, T3 and T4. It was concluded that, COLM enhanced adequate haematocrit and immune status, hypoglycaemic ability, suppresses the growth of gut pathogenic microorganisms and enhanced the growth of beneficial microorganism in broilers.
Keywords: broilers, COLM, leaf meal, gut health, blood profile, medicinal plant
Published: 10.10.2018; Views: 83; Downloads: 7
.pdf Full text (226,11 KB)

Combining ability and breeding potential of oilseed rape advanced lines for some of important quantitative traits
Valiollah Rameeh, 2017, original scientific article

Abstract: Information on estimates of combining ability of the promising lines of breeding material is important for evolving higher yielding varieties of oilseed rape (Brassica napus L.). An experiment was conducted to quantitatively examine the genetic parameters of phenological traits, plant height, pods on main raceme, pods per plant and seed yield for eight oilseed rape genotypes using a half-diallel crosses. The result of the diallel analysis revealed significant mean squares of general and specific combining abilities (GCA and SCA) for all studied traits, indicating the importance of additive and non-additive genetic effects for these traits. On the other hand estimation of high narrow-sense heritability estimates for days to flowering, duration of flowering and pods on main raceme, indicated the prime importance of additive genetic effects for these traits. L420 and L401 with significant negative GCA effects for days to flowering and days to maturity were suitable for yielding early maturity combinations. L41, Zafar and L22 with significant positive GCA effects for seed yield were superior parents for increasing seed yield. The crosses with significant positive SCA effects for seed yield had at least one parent with significant positive GCA effects for this trait. The crosses including L41×L22, L41×LF2, Zafar×L22 and Zafar×L420 with seed yield of 3421.7, 3400, 3348.1 and 3311.3 kg ha-1 could be promising for determination of superior recombinants for high seed yield coupled with other growth characters in advanced generations of segregation.
Keywords: additive genetic effects, Brassica napus, degree of dominance, combining ability, heritability, oilseed rape, yield
Published: 10.10.2018; Views: 81; Downloads: 7
.pdf Full text (276,21 KB)

Estimating the size of plants by using two parallel views
Barbara Videc, Jurij Rakun, 2017, original scientific article

Abstract: This paper presents a method of estimating the size of plants by using two parallel views of the scene, taken by a common digital camera. The approach relays on the principle of similar triangles with the following constraints: the resolution of the camera is known; the object is always in parallel to the camera sensor and the intermediate distance between the two concessive images is available. The approach was first calibrated and tested using one artificial object in a controlled environment. After that real examples were taken from agriculture, where we measured the distance and the size of a vine plant, apple and pear tree. By comparing the calculated values to measured values, we concluded that the average absolute error in distance was 0.11 m or around 3.7 %, and the absolute error in high was 0.09 m or 4.6 %.
Keywords: digital image processing, size, digital camera, pixels, similar triangles
Published: 10.10.2018; Views: 67; Downloads: 7
.pdf Full text (727,92 KB)

Tables, formulas and exercises with key for biometrics
Tadeja Kraner Šumenjak, Vilma Sem, 2018, other educational material

Abstract: This publication includes some materials we use in the one semester bachelor course entitled Biometrics, at the Faculty of Agriculture and Life Sciences. In the last few years, several foreign students came to study at the University of Maribor. A certain number of them came to study at the Faculty of Agriculture and Life Sciences, and because the foreign students are not able to follow the lectures in Slovene, we organized lectures in English. Since there was no learning material in English that would deal with the basics of statistics through solving real problems from agriculture using the statistical program SPSS, we decided to translate and publish these materials, and thus make them more available.
Keywords: biometrics, statistical tables, statistical formulas, SPSS, exercises
Published: 06.07.2018; Views: 207; Downloads: 14
.pdf Full text (2,07 MB)

Obvladovanje pojava invazivnih rastlin (neofitov) in ohranjanje biodiverzitete na vodovarstvenih območjih
Mario Lešnik, 2017, scientific monograph

Abstract: Ena od posledic prilagoditev tehnike kmetijske pridelave z namenom varovati vode na vodovarstvenih območjih (VVO) je občutno zmanjšanje intenzivnosti pridelovanja, ali celo opuščanje obdelave zemljišč (npr. površine neposredno ob ranljivih virih vode). Neprimerno vzdrževana zemljišča se pričnejo spreminjati v nekakovostno travinje, ki v naslednji fazi preide v pol-naravne rastlinske združbe, ki so pogosto sestavljene iz invazivnih tujerodnih rastlin. Izkušnje kažejo, da je povečevanje populacij invazivnih rastlin na VVO hitrejše, kot na območjih, ki niso pod vodovarstvenimi režimi. V tem delu smo skušali predstaviti del invazivnih rastlinskih vrst, ki so že prisotne na ozemlju RS, ali pa njihov pojav pričakujemo v bližnji prihodnosti. Predstavljeni so praktični nasveti glede metod zatiranja različnih invazivnih vrst. Izpostavili smo tudi potrebo po ustreznem vzdrževanju pol-naravnih habitatov neposredno ob kmetijskih površinah, ki so sicer namenjeni varovanju voda in ohranjanju biotične pestrosti, a imajo tudi pomembne biološke funkcije za ohranjanje organizmov, ki regulirajo naravne procese, ki odločajo tudi o uspešnosti pridelave kmetijskih rastlin. Dopuščanje nekontroliranega razvoja invazivnih rastlin na VVO lahko povzroči dolgoročno destabilizacijo pol-naravnih habitatov in tudi povečevanje stroškov pridelave kmetijskih rastlin ter stroškov vzdrževanja energetske, transportne in hidrološke infrastrukture v agrarni pokrajini v bodočnosti.
Keywords: vodovarstvena območja, invazivne rastline, zatiranje, biodiverziteta, kmetijska zemljišča
Published: 08.12.2017; Views: 332; Downloads: 85
.pdf Full text (71,80 MB)

Pomen dosevkov in ozelenitev tal na vodovarstvenih območjih
Branko Kramberger, 2017, scientific monograph

Abstract: Po obdobju močne intenzifikacije proizvodnje, ki je bila še posebej izrazita v dvajsetem stoletju, smo na prehodu v tretje tisočletje prešli v obdobje okoljevarstvenega kmetovanja, kjer vse večjo skrb namenjamo ohranjanju čistega ozračja, biodiverzitete in čistih podzemnih voda. Na osnovi obsežnega pregleda svetovne znanstvene literature zadnjih petindvajsetih let in rezultatov lastnih raziskav, so v monografiji predstavljene prednosti uporabe dosevkov za krmo in dosevkov v izključni funkciji prekrivanja njivskih tal jeseni, pozimi in spomladi,s poudarkom na pomenu za vodovarstvena območja. Posebna pozornost je namenjena negativnim učinkom, ki jih lahko dosežemo z nestrokovno in nepravilno uporabo dosevkov in ozelenitev tal, predvsem so analizirane nevarnosti nepravočasne mineralizacije ostankov dosevkov v tleh ter vplivi na podzemne vode in naslednje poljščine v njivskem kolobarju. Na osnovi pregleda specifičnosti posameznih skupin dosevkov za krmo in prekrivanje tal (trave, metuljnice in križnice), so kot zaključek monografije podana tehnološka priporočila za strokovno utemeljeno uporabo dosevkov za krmo in dosevkov za izključno prekrivanje tal na vodovarstvenih območjih.
Keywords: dosevki, križnice, krma, metuljnice, mineralizacija, organska snov tal, ozelenitev tal, podtalnica, trave
Published: 16.11.2017; Views: 224; Downloads: 16
.pdf Full text (3,20 MB)

Variations in leaf total protein, phenolic and thiol contents amongst old varieties of mulberry from the Gorizia region
Tina Ugulin, Tamas Bakonyi, Rebeka Lucijana Berčič, Andreja Urbanek Krajnc, 2015, original scientific article

Abstract: Preserving the plant genetic resources of genus Morus is insuff­cient but undoubtedly vital for conservation of the world’s germplasm for our successors. This research was focused on old mulberry varieties from the Gorizia region in Slovenia which were assessed for their contents on crucial metabolites (proteins, phenolics and thiols) in leaves regarding their antioxidant and nutraceutical potentials. Total proteins were measured spectrophotometrically by following the procedure of Bradford, the total phenolic contents were determined using the Folin-Ciocalteu method and thiols were established with monobromobimane fluorescent dye. The presented metabolite screening showed that some of the evaluated genotypes had higher concentrations of glutathione and were superior in contents of proteins and phenolics when compared to the results of other authors and could be propagated as highly recommendable feed for silkworms, and other animals.
Keywords: feeds, glutathione, Morus, phenols, proteins
Published: 14.11.2017; Views: 282; Downloads: 24
.pdf Full text (359,62 KB)

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