MILK PRODUCTION, SOME RUMEN PARAMETERS AND FEED UTILIZATION EFFICIENCY OF LACTATING GOATS FED RATIONS CONTAINING BERSEEM SILAGE AND THEIR MIXTURE WITH BARELY OR MILLET X NAPIER GRASS HYBRID.
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Rumen and blood variables in steers fed grass silage or whole-crop fodder beet silage
The objectives of this study were (i) to examine the effects on rumen and blood variables when grass silage (GS) was replaced with whole crop fodder beet silage (FBS) in the diet of beef cattle, and (ii) an abrupt change from GS to FBS. Six rumen-fistulated Friesian steers (initial bodyweight (BW) 416 kg, SD 43) were offered GS ad libitum for four weeks. The dry matter (DM) consumed daily by ea...
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in this work, a novel and fast method for direct analysis of volatile compounds (davc) of medicinal plants has been developed by holding a filament from different parts of a plant in the gc injection port. the extraction and analysis of volatile components of a small amount of plant were carried out in one-step without any sample preparation. after optimization of temperature, extraction time a...
The effect of energy supplementation on nitrogen utilization in lactating dairy cows fed grass silage diets.
An experiment was conducted to examine the effect that various isoenergetic diets, containing different quantities of soluble carbohydrate and fiber and different types of starch, have on nitrogen (N) balances. Six lactating dairy cows in early to midlactation consuming grass silage diets with not less than 600 g/kg total DMI as forage were used in the experiment. Four concentrates were prepare...
متن کاملThe effect of protein supplementation on nitrogen utilization in lactating dairy cows fed grass silage diets.
The study set out to examine the effects of supplementing grass silage with various levels of protein concentration and degradability on dietary nitrogen (N) excretion in lactating dairy cows consuming at least 60% forage. Six Holstein/Friesian cows in early to midlactation were offered six diets comprising two levels of crude protein (210 and 290 g/kg DM) and three levels of protein degradabil...
متن کاملReplacing alfalfa or red clover silage with birdsfoot trefoil silage in total mixed rations increases production of lactating dairy cows.
The objective of this study was to compare milk production and nutrient utilization in dairy cattle fed silage made from alfalfa (AL) or red clover (RC) versus birdsfoot trefoil (BFT) selected for low, normal, and high levels of condensed tannins. Condensed tannin contents of the 3 BFT silages were 8, 12, and 16 g/kg of DM by butanol-HCl assay. Twenty-five multiparous Holstein cows (5 fitted wi...
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ژورنال
عنوان ژورنال: Journal of Animal and Poultry Production
سال: 2014
ISSN: 2090-3723
DOI: 10.21608/jappmu.2014.68600