The nutritional characteristics of an alga (Microcystis sp.) that occurs naturally in a Guatemalan lake were determined. The sun-dried material proved to have a high protein content (55.6%) and to be a possible good source of calcium and phosphorus (1, 169.1 and 633.4 mg/100 mg, respectively). Amino acid analysis showed that total sulfur amino acids were the most deficient ones, giving a protei...

1. Statistical analyses were carried out on results obtained under strictly-controlled conditions in metabolism stalls with forty-one different rations fed to 127 adult non-pregnant dry cows, and with fourteen other different rations fed to thirty-five adult non-pregnant lactating cows that had calved 2-6 months earlier and whose daily milk production ranged from 11 to 20 kg. 2. Correlations be...

Bread is one of the most popular bakery products, generally made from refined wheat flour which is limiting in vitamins, minerals, antioxidants and dietary fibre. Therefore, in the present study, wheat flour was supplemented with Spirulina powder at 2, 4, 6 and 8% levels to improve its nutritional quality. Developed enriched breads were found organoleptically acceptable by the panelists up to 6...

Abstract Dietary zinc (Zn) and copper (Cu) supplementation can affect the digestion absorption of nutrients in pigs, especially minerals. This study aimed to evaluate effect dietary levels Zn Cu on their ileal (AID) total tract (ATTD) digestibility that manganese (Mn), calcium (Ca), phosphorus (P). Six crossbred pigs were surgically equipped with a single-T cannula distal ileum. In cross over d...

Phytate [myo-inositol(1,2,3,4,5,6)hexakisphosphate] have been considered negative in food industry as it is the main storage form of phosphorus (P) in many plants but this phytate-bound P is not available to non – ruminants as they don’t have these endogenous enzyme and hence the availability and digestibility of phytate phosphorous is very low in these animals. Phytic acid has antinutrients be...