a study was conducted to determine the copper status of different classes of grazing sheep during twodifferent seasons on a farm located in southern punjab, pakistan. a complete free-choice supplement wasavailable to all animals throughout the year. soil, forage and blood plasma from animals were taken eighttimes during the year (2005) (four times in both summer and winter seasons). soil cu2+ w...

the calcium status of lactating, non-lactating, and male sheep on farm in southwestern punjab, pakistan was studied. pasture and animal were sampled at the end of the first month of summer and winter. all samplings were carried out fortnightly. a mineral supplement was available to all animals throughout the year. plasma calcium in all animals was not affected by the physiologic state and gende...

the present study was aimed at the development of a somoclonal variant and isozyme marker for phyllanthus amarus schum & thonn using inter-nodal segments and the enzyme peroxidase. maximum callus proliferation was obtained on murashige and skoog’s medium supplemented (ms) with 1.0 mg/l of 2,4-dichlorophenoxyacetic acid. three weeks-old pale yellowish white semi-friable callus was used for o...

sainfoin (onobrychis viciifolia scop.) is a perennial forage legume has recognized for its feed value and high stability. this experiment was conducted to investigate the relationship among morphological and agronomic traits using multivariate statistical methods including correlation, regression and factor analysis. twenty one accessions of sainfoin were evaluated in a randomized complete bloc...

drought is a major limiting factor for agricultural production in most parts of the world and landraces areimportant genetic resources for crop improvement in dry areas. during the 2007-2008 cropping season, 23 chickpea (cicer arietinum l.) genotypes consisting of 21 kabuli chickpea landraces provided by the national plant gene bank of iran and two known commercial varieties (hashem and arman) ...