Effect of feeding young oak (Quercus pyrenaica) leaves to cattle on ruminal fermentation Effect of the administration of young oak (Quercus pyrenaica) leaves to cattle on ruminal fermentation
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Effect of rumen bacteria from sheep adapted to a tanninferous diet on in vitro fermentation parameters of pistachio hulls using bovine inoculum
Sheep adapted to consume tannins rich feeds such as oak leaf (OL) appear to develop defensive mechanisms by their ruminal bacteria against these polyphenols. The capabilities of ruminal isolated tannins resistant bacteria from these animals to ferment a tanniniferous feed (i.e., pistachio hulls, (PH) which were incubated with rumen fluid from Holstein dairy cows was assessed. Six g positive coc...
متن کاملResponses of evergreen and deciduous Quercus species to enhanced ozone levels.
Plants of one evergreen oak (Quercus ilex) and three deciduous oaks (Q. faginea, with small leaves; Q. pyrenaica and Q. robur, with large leaves) were exposed both to filtered air and to enhanced ozone levels in Open-Top Chambers. Q. faginea and Q. pyrenaica were studied for the first time. Based on visible injury, gas exchange, chlorophyll content and biomass responses, Q. pyrenaica was the mo...
متن کاملEffect of Altitude and Growing Season on Some Physiological Properties of Leaf from Persian Oak (Quercus brantii) in Zagros Forest (Case study: Ilam)
Abstract Understanding in variation in tree leaf related to altitude and climate change define the plant adaptation. These variations will predict their respond to the future changes. According to the vast distribution of Persian oak (Quercus brantii) trees in Zagros forest, the study of structural changes and the recognition the Persian oak ecological needs is crucial for their conservation a...
متن کاملInvestigating the Signs of decline and its impact on the total phenolic compounds, flavonoids and protein of the leaves Quercus, brantii (Case Study: Lorestan province)
The phenomenon of Oak decline is one of worrying phenomena that has been occurred in Zagros forests, and the extent of the infected forest areas is spread increasingly. The present study aims to investigate the symptoms of Oak decline on the individuals and its effect on the secondary compounds of Quercus brantii leaves. For this purposes, three forest regions including Abolivafa, Miankouh and ...
متن کاملEffects of Cattle Management on Oak Regeneration in Northern Californian Mediterranean Oak Woodlands
Oak woodlands of Mediterranean ecosystems, a major component of biodiversity hotspots in Europe and North America, have undergone significant land-use change in recent centuries, including an increase in grazing intensity due to the widespread presence of cattle. Simultaneously, a decrease in oak regeneration has been observed, suggesting a link between cattle grazing intensity and limited oak ...
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