Mir, P. S., Bittman, S., Hunt, D., Entz, T. and Yip, B. 2006. Lipid content and fatty acid composition of grasses sampled on different dates through the early part of the growing season. Can. J. Anim. Sci. 86: 279–290. In order to explore the value of herbage for the production of ruminant products with a high content of conjugated linoleic acid (CLA), a study was undertaken to determine the co...

The indirect effects of climate driven changes in animal performance result mainly from alterations in the nutritional environment. Research suggests that changes in climate would affect the quality and quantity of forage produced (5, 41). The impact of climate change on pastures and rangelands may include deterioration of pasture quality towards poorer quality subtropical C4 grasses in tempera...

John Jennings Introduction Professor Animal Science Baled silage, commonly referred to as “balage,” originated in northern Europe, where drying conditions are not conducive to the production of high-quality hay. This dilemma is common in Arkansas as well as most of the southeast United States. In this region, high-quality cool-season grasses are difficult to harvest as hay in the spring because...

Adaptation and Establishment Meadow fescue prefers deep, rich soils, and while surviving in wet soils, it cannot tolerate flooding. It will survive under dry conditions but is more sensitive to drought than many other grasses. It can be grown in areas suitable for timothy, and is considerably more winter hardy than tall fescue in northern environments. Meadow fescue is closely related to both t...

The Triticeae is an economically important tribe within the Poaceae. Because a number of cereal crops and forage grasses belong to the tribe it has attracted much scientific attention covering many species: taxonomy, phylogeny, genetics, cytogenetic, genome analyses (crossing ability and chromosome pairing), isoenzymes, molecular biology (RFLP, RAPD, PCR sequencing) and breeding. This paper con...

Lignification of cell walls is the major factor controlling the digestibility of forage grasses. Thus far, from QTL analysis, about 15 locations involved in cell-wall lignification or digestibility have been identified in the maize genome, many of which colocalise with QTLs involved in corn borer susceptibility. Genetic diversity for enhancing cell-wall digestibility in maize must be identified...

Abstract Dr. Young has been internationally recognized for research on seed transmitted fungal endophytes and their impact forage grazing systems, endophyte diversity in native grasses crop wild relatives, pecan scab a root rot pathogen of alfalfa. She discovered genes the synthesis bioprotective alkaloids, identified described new species, developed genomic culture resources. will share utiliz...

rangeland shrubs may provide mechanical facilitation on their understory plants, by protecting themagainst the livestock grazing. however, such a facilitation effect may vary depending on the rangelandutilization rate. in a field research, mechanical facilitation of rangeland shrubs was compared in ahighly grazed, a moderately grazed and an enclosure site; in an arid rangeland, kakhak, gonabad,...

chemical assessments of forage clearly determine the forage quality; however, traditional methods of analysis are somehow time consuming, costly, and technically demanding. near infrared reflectance spectroscopy (nirs) has been reported as a method for evaluating chemical composition of agriculture products, food, and forage and has several advantages over chemical analyses such as conducting c...

Compost amendment to grassland is a novel strategy proposed and demonstrated to increase ecosystem carbon (C) storage. However, the effects of compost applications on biomass production and plant diversity are not well known. We assessed impacts of a onetime compost amendment over 4 yr on plant dynamics in two grazed grassland ecosystems in California: a coastal prairie and valley grassland. Th...