Javed I. Sultan — новинки

Grasses are the plants (C4) which contain most extensive, much needed and familiar component of range vegetation especially in extreme climates of the range areas. Grasses are more easily accessible, better in taste and quicker in digestion than shrubs and trees. Ecosystems having rather less extreme climate have typical perennial grasses. These grasses have a quality of quick resprouting because they have special ecological features and moderate grazing. Natural flora of Pakistan contains some very good forage grasses. Need of time is to propagate them through artificial seeding and stump planting. This study was conducted to ascertain the nutritional value, mineral profile, gross energy and in situ digestion kinetics of 10 different irrigated grasses (Malai grass, Barru grass, Mott grass, Khas Khas grass or Vetiver, Lemon grass, Dhaman grass grass, Kallar grass, Rhodes grass, Khabal grass or Bermuda grass and Swank grass having botanical names as Panicum antidotale, Sorghum halepense, Pennisetum purpureum, Vetiveria zizanioides, Cymbopogon citrates, Cenchrus ciliaris, Leptochloa fusca, Chloris gayana, Cynodon dactylon and Panicum colunum respectively).

The importance of poultry industry in Pakistan is not only because it provides animal proteins to rapidly growing human population but also it has momentous share in the economy of the country. The total poultry population in Pakistan is 663 million with 542.74 million broilers. This sector produces 767 (000 tones) meat annually that is 24.8% of total meat production in the country. Profitable poultry production is possible if balanced and cost effective diets are formulated. Poultry production is handicapped because of high feed cost as it accounts up to 70% of total cost of production. The high price and limited quantities of conventional protein feed ingredients always provoke avian nutritionists to explore the nutritional potential of un-traditional protein sources in terms of their biological evaluation. Usage of non-conventional ingredients plays their part to bridge the nutrient gap and make feed formulation more versatile. Corn steep liquor (CSL) is one of such untraditional by-products of corn wet-milling industry that can be used as feed ingredient in poultry diet. High protein content of CSL makes it an excellent protein source to be used in poultry diet.

The addition of vitamin E at lower concentrations in broiler rations did not exhibited difference in performance however, better immunity and antioxidant activity was observed after addition of GPP up to 75mg/Kg of diets in present study. Therefore it is concluded that inclusion of GPP protect the birds form the infections, a good have no effect on tissues up to this level antioxidant and one of the best replacer of vitamin E.