نتایج جستجو برای: grazing sheep

تعداد نتایج: 54218  

Journal: :journal of rangeland science 2011
gh. r. badjian dahlan ismail m. sh. othman a.a. mehrabi

the first motive for the determination and evaluation of an energy productionsystem is the need to change. such system is dynamic in nature and is influenced bymany factors such as age and physiological status of individual sheep or goat, quantityand quality of available feed and environment including the management systems.traditional pastoral resource assessments do not always account for the...

2000
Sheng Gong Li Yoshinobu Harazono Takehisa Oikawa Ha Lin Zhao Zong Ying He Xue Li Chang

Overgrazing is one of the most primary causes of desertification in semi-arid zones of China. From 1992 to 1994 we conducted a grazing experiment in Naiman (lat. 42◦58′N, long. 120◦43′E, 345 m asl), Inner Mongolia, China to elucidate desertification mechanisms. Our experimental field, which was covered with some short grasses, legumes and forbs, included four plots where grazing sheep numbers d...

Journal: :Crop & Pasture Science 2021

Assessment of the relative performance white clover (Trifolium repens L.) cultivars, using multi-year and multi-location seasonal growth trials, is key to identification material with specific broad adaptation. This paper based on a study 56 entries comprising 14 commercial cultivars 42 experimental synthetic lines evaluated for under rotational grazing across four locations in New Zealand over...

Journal: :Journal of Range Management 2001

Journal: :Schweizer Archiv fur Tierheilkunde 2013
U Braun C Bachofen R Büchi M Hässig E Peterhans

The purpose of this study was to investigate whether sheep grazing communal alpine pastures with cattle can transmit Border disease virus (BDV) to cattle. A total of 1170 sheep and 923 cattle were tested for BDV using RT-PCR (sheep) and for pestivirus antibodies using an ELISA (cattle), respectively, before being moved to one of 4 pastures (A, B, C and D). Eight sheep from pasture C were viraem...

Journal: :Proceedings of the New Zealand Weed and Pest Control Conference 1968

Journal: :Journal of Veterinary Diagnostic Investigation 1995

Awareness of rangelands plants palatability is required for estimating available forage to animals in all plant communities. In this research recording method was used to determine species palatability in rangelands of Deh- Shiekh in Kohkiloyeh and Boyer Ahmad Province. Three perennial species including Gundelia tournefortii, Bromus tomentellus, Hordeum bulbosum and two annual species of Agelup...

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