The utilization of the products of green-crop fractionation by pigs and ruminants.
نویسنده
چکیده
Fibrous green crops can be separated by mechanical methods into two fractions: a highquality fibrous feedstuff for ruminants and a liquid rich in protein, sugars and minerals for non-ruminants. The yields of crude protein (CP) (nitrogenx6.~5) which can be obtained from grasses and legume crops are substantially greater than for other methods of crop or animal production (Davys, 1973) (Table I), and the concentration of protein in grass and legume crops when harvested at an immature stage of growth is greater than that required by the most productive ruminant animals. Results from various experiments (Greenhalgh, Reid 8z Aitken, 1971; Maguire & Brookes, 1973; A. S. Jones, M. Kay, A. Cadenhead & A. Macdearmid, unpublished results) show that the concentration of CP in the dry matter (DM) of green crops harvested frequently (4-5 cutdyear) is greater than that required by highly productive beef and dairy animals (Agricultural Research Council, 1965). Developments in the mechanical processing of green crops make possible the extraction of protein from many plant species hitherto not utilized in agricultural systems. Several types of processing equipment have been used for the fractionation of green crops, the most widely used being the pulper and belt-press, the screw-press and sugar-cane rollers. Throughout the history of greencrop fractionation several species of plants have been investigated as possible alternative sources of protein to the twenty to thirty plant species currently considered as major protein-producing crops (see Pirie, 1971).
منابع مشابه
Assessment of Feed Resources Utilization for Livestock Production by Agro-Pastoralists in Tafa Local Government Area of Nigeria
Feed resources availability at cheap and affordable prices for livestock consumption are major factors determining capability of livestock production to supply products for increasing urban and cities consumers in Nigeria. To take advantages of the high demand in urban areas, livestock producers on extensive pastoralism are moving closer to cities and urban communities such as Abuja the Nigeria...
متن کاملUtilization and Addition Sugars to Ruminants Rations
Responses to sugars in dry or liquid formvary from study to study. When fed in proper amounts, sugars should not depress ruminalpH, and there is some evidence that they actuallyhelp toprevent a drop in pH after consuming largemeals of concentrate by maintaining a highernumberoflactate-fermenting bacteria. Adding sugars doesprioritize the need for rumen degraded protein (RDP).we all know, sugars...
متن کاملUtilization and Addition Sugars to Ruminants Rations
Responses to sugars in dry or liquid formvary from study to study. When fed in proper amounts, sugars should not depress ruminalpH, and there is some evidence that they actuallyhelp toprevent a drop in pH after consuming largemeals of concentrate by maintaining a highernumberoflactate-fermenting bacteria. Adding sugars doesprioritize the need for rumen degraded protein (RDP).we all know, sugars...
متن کاملEvaluation of Aluminum Concentration in Albumin Products Prepared by Blood Fractionation
Human Serum albumin as well as other biological products prepared by blood fractionation for clinical purposes, was found to contain different amount of aluminum in different commercially available human albumin solutions. It has been reported that interaction of chemicals with the container material can occur during plasma collection, manufacture and storage, so aluminum is introduced into alb...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- The Proceedings of the Nutrition Society
دوره 35 2 شماره
صفحات -
تاریخ انتشار 1976