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Agriculture plays an important role in a country's economy. The sector is challenged by many stresses, which led to huge loss in plant productivity worldwide. The everincreasing population, rapid urbanization with shrinking agricultural lands, dramatic change in climatic conditions, and extensive use of agrochemicals in agricultural practices that caused environmental disturbances confront mankind of escalating problems of food security and sustainability in agriculture. Escalating environmental problems and global hunger have led to the development and adoption of genetic engineering and other conventional plant breeding approaches in developing stresstolerant varieties of crops. However, these approaches have drawn flaws in their adoption as the process of generating tolerant varieties takes months to years in bringing the technology from the lab to the field. Under such scenario, sustainable and climate-smart agricultural practices that avail bacterial usage open the avenues in fulfilling the incessant demand for food for the global population. Ensuring stability on economic fronts, bacteria minimizes plant salt uptake by trapping ions in their exopolysaccharide matrix besides checking the expression of Na + /H + and high-affinity potassium transporters. Herein we describe information on salinity stress and its effect on plant health as well as strategies adopted by plant growth-promoting rhizobacteria (PGPR) in helping plants to overcome salinity stress and in mitigating loss in overall plant productivity. It is believed that acquisition of advanced knowledge of plant-beneficial PGPR will help in devising strategies for sustainable, environment-friendly, and climatesmart agricultural technologies for adoption in agriculture to overcome the constrained environmental conditions.

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Blood metabolic profile (BMP) serve as clinical indicators for the impact of dietary manipulations on physiological health status. The present study was undertaken with the aim to assess the effect of in-feed supplementation of exogenous fibrolytic enzymes (EFE) cocktail as feed additive on BMP in lambs. Crossbred lambs (n=12) of 4-6 months age were distributed into two groups of 6 animals each and fed for a period of 90 days followed by 6 days metabolism trial. Animals in both the groups were offered complete feeds either supplemented with EFE cocktail @ 0.6% DM (Enz) or without any supplementation as control (Con). Haemato-biochemical parameters of animals in both the groups at start (0d) and subsequently at monthly intervals (30, 60 and 90d) were investigated. The EFE supplementation had positive significant (p<0.05) effect on dietary digestible energy content as well as total digestible nutrient intake (g/d) compared to control. However, there were non-significant (p>0.05) effects of EFE supplementation on overall means of all blood cell indices except mean platelet volume (p<0.05) and platelet percent (p<0.01), energy metabolic profile, serum lipid profiles except low-density lipoprotein cholesterol (p<0.05) and atherogenic index (p<0.01), and hepato-renal functioning test profiles. The BMP of EFE supplemented lambs revealed better physiological health status compared to un-supplemented animals. It is concluded that inclusion of EFE cocktail in complete diets for lambs have no adverse effects on the haemato-biochemical parameter suggesting in-feed supplementation of the EFE to improve animals's health conditions for successfully raising lambs intensively.