نتایج جستجو برای: dung and bio

تعداد نتایج: 16837830  

2011
THOMAS K. SABU

Species composition, distribution patterns and endemism are outlined for the dung beetles in the ecoregions of the western slopes of the moist South Western Ghats, South India. Among the 142 dung beetle species known, 35 are endemic to the Western Ghats; 29 are endemic to the moist South Western Ghats; 25 are regionally endemic to the South Western Ghats montane rain forests ecoregion; and one ...

Journal: :Bioresource technology 2009
A J Adi Z M Noor

Vermicomposting using Lumbricus rubellus for 49 days was conducted after 21 days of pre-composting. Three different combination of treatments were prepared with eight replicates for each treatment namely cow dung: kitchen waste in 30:70 ratio (T(1)), cow dung: coffee grounds in 30:70 ratio (T(2)), and cow dung: kitchen waste: coffee grounds in 30:35:35 ratio (T(3)). The multiplication of earthw...

2013
Arti Prasad S. K. Saini

When different ratios of Eucalyptus leaves and cow dung were mixed and analyzed for worm multiplication, amongst the three ratios (1:1, 3:1 and 3:2), 3:1 was the most suitable ratio as far as multiplication of worms is concerned. There was no multiplication of worms up to two weeks but the worms started multiplying at a significant rate after two weeks. After eight weeks of inoculation the numb...

Journal: :Acta Veterinaria Scandinavica 2003
S-O Dimander J Höglund PJ Waller

An experiment was performed during the grazing seasons of 1998, 1999 and 2000 to study the influence of the antiparasitic drug ivermectin and the nematophagous fungus Duddingtonia flagrans on cattle dung disintegration. The faeces originated from groups of animals that were part of a separate grazing experiment where different control strategies for nematode parasite infections were investigate...

Journal: :Biology letters 2009
Trond H Larsen Alejandro Lopera Adrian Forsyth François Génier

The dung beetle subfamily Scarabaeinae is a cosmopolitan group of insects that feed primarily on dung. We describe the first case of an obligate predatory dung beetle and contrast its behaviour and morphology with those of its coprophagous sympatric congeners. Deltochilum valgum Burmeister killed and consumed millipedes in lowland rainforest in Peru. Ancestral ball-rolling behaviour shared by o...

Journal: :Journal of theoretical biology 2012
Heather A Barker Mark Broom Jan Rychtář

Dung beetles Onthophagus taurus lay their eggs in brood balls within dung pats. The dung that is used must be sufficiently fresh, and so beetles must keep moving from pat to pat to find fresh dung. If another beetle finds a brood ball it will usually eat the egg inside and lay its own egg in the brood ball instead of constructing its own ball. Thus, beetles will often stay near their eggs to gu...

Journal: :Bioresource technology 2008
Sigrid Kusch Hans Oechsner Thomas Jungbluth

Experiments on methanogenesis from horse dung were conducted in laboratory-scale batch reactors in order to determine the substrate performance in a solid-phase digestion process, more specifically in terms of potential energy recovery and suitable process technology. Dung from a horse stable with straw bedding was used. The temperature was kept in the mesophilic range. In the percolation proce...

2006
Søren Holbech Nielsen Simon Parsons

One of the most widely studied systems of argumentation is the one described by Dung in a paper from 1995. Unfortunately, this framework does not allow for joint attacks on arguments, which we argue must be required of any truly abstract argumentation framework. A few frameworks can be said to allow for such interactions among arguments, but for various reasons we believe that these are inadequ...

2006
Søren Holbech Nielsen Simon Parsons

One of the most widely studied systems of argumentation is the one described by Dung in a paper from 1995. Unfortunately, this framework does not allow for joint attacks on arguments, which we argue must be required of any truly abstract argumentation framework. A few frameworks can be said to allow for such interactions among arguments, but for various reasons we believe that these are inadequ...

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