Non-ammonia nitrogen (NAN) passage to the small intestine and disappearance of NAN in that organ have been studied in multi-cannulated sheep on pasture or fed indoors. Forages under investigation included a number of subtropical grasses, foggages and hay, temperate grasses, lucerne (Medicago sativa), triticale (Triticale X Secale), oven-dried ryegrass (Lolium multiflorum), and the tannin-contai...

the chemical and fermentative parameters of three fresh forages and silages of sorghum including sweet, pegah and speedfeed varieties were compared with corn using in vitro method, also degradability coefficients of forages and silages were determined by in situ method. forages were planted in the same condition and harvested in soft dough stage, then ensilaged in four replicates for each time ...

Hanley, Thomas A.; Barnard, Jeffrey C. 2014. Variation in nutritional quality of plants for deer in relation to sunny versus shady environments. Res. Pap. PNWRP-602. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacifi c Northwest Research Station. 30 p. Variation in nutritional quality of natural forages for black-tailed deer (Odocoileus hemionus) was studied in summer and wint...

Forages are a necessary component of diets for lactating dairy cows because they provide coarse fiber needed to optimize rumen function. However, forages alone provide insufficient nutrients to achieve high milk yield, and they must be supplemented with other feed ingredients. Because forage quality is highly variable, their quality must be assessed before diets are formulated. Forages have bee...

Recently, much of the U.S. has been under drought conditions. Lack of water has limited the availability and quality of normal forages. In addition, livestock producers have often been forced to utilize alternative roughage sources. During normal years, nitrate-nitrogen (NO3-N) is taken up by plants and quickly converted to protein. When forages grow under drought stress, however, they tend to ...

Corn can produce high dry matter yields with one harvest. Corn is a good crop to recycle nutrients from manure and maintain water quality. Corn silage is easily ensiled and generally results in palatable forage with relatively consistent quality and higher energy content than other forages. Corn silage production requires less labor and machinery time than other harvested forages. Thus, the cos...

In this experiment eight 1,600 mL dual-flow continuous culture fermenters were used to measure the fermentation pattern of cultivable and pasture forages in camel. Two adult camels were used as rumen inocula donors. Fermenters were fed with 120 g of DM/d in 3 equal portions at 08:00, 16:00, and 24:00 h. The trial contained two treatments of four replicate each in a completely randomized design....

The value of a feedstuff is a complex function of its nutrient composition (net energy, protein, vitamins, minerals, etc.) chemical-physical characteristics of its fiber (fragility of the cell walls), acceptability (palatability), and associative interactions with other dietary ingredients. In the case of forages, their associative effects on utilization of other dietary ingredients is of great...

Nitrate, 3-nitro-1-propionic acid (NPA) and 3-nitro-1-propanol (NPOH) can accumulate in forages and be poisonous to animals if consumed in high enough amounts. These chemicals are also recognized as potent anti-methanogenic compounds, but plants naturally containing these chemicals have been studied little in this regard. Presently, we found that nitrate-, NPA-, or NPOH-containing forages effec...

Traditionally, heat damage in forages has been associated primarily with alterations in forage protein quality as a result of Maillard reactions. A Maillard reaction is a heat-induced chemical reaction between protein (amino acids) and sugars. Maillard products produce a range of odors and colors in forages, but generally are poorly characterized nutrients in ruminant nutrition. Terms such as h...