The effect of substituting native grass with jengkol (Archidendron jiringa) by-product on fermentation characteristics, rumen microbial profile, methane production, and hydrogen balance using in vitro method was investigated. Seven treatments (different composition of native grass, jengkol peel, jengkol leaves, and concentrate) with five replications in a block randomized desi...

introduction oxidative stress is an inevitable consequence of intensive production due to mismatched balance between free radical production and natural antioxidant capacity of animals. reactive oxygen species (ros) refers to a group of free radicals produced by oxidative energy cycle and also recently demonstrated to be as a weapon for macrophage cells. moreover, feed processing phenomena such...

by-product of fisheries processing plants applicable protein. in this study effect of papain (plant origin), trypsin, pepsin (animal), alkalaz, prvtamks, flavrzaym (microbial), and temperatures of 30, 60, 90, 120, 150, and 180 minutes on the hydrolysis of rainbow trout waste were examined. the recovered peptone in the media as a source of bacteria lactobacillus plantarum and aeromonas hydrophil...

in current study, protein hydrolysates were produced using microbial proteases of alcalase, protamex and flavourzyme from yellowfin tuna viscera. the results indicated that, protein hydrolysate from alcalase, had significantly higher protein content, nitrogen recovery and degree of hydrolysis than the others (p 0.05). the results of amino acids composition revealed that all hydrolysates were al...

Radioactive sodium sulfide was used to label the sulfide pool of rumen contents in vitro. Microbial protein synthesis was calculated from the size and rate of dilution of label in the sulfide pool, and from the radioactivity incorporated into protein together with a conversion factor specifying the nitrogen-sulfur ratio determined for microbial protein. The microbial cell yield, calculated on t...

This paper considers the theory, assessment and prediction of microbial protein synthesis in the rumen. The dif®culties of techniques for assessing microbial protein synthesis, as well as the complexity of the rumen ecosystem, have limited progress. Inconsistencies in the literature undermine the value of incorporating advanced rumen models into rationing schemes and limit the exploitation of m...

the aim of this study was to evaluate the effects of mentha longofolia plant (mlp) and its essential oils (mle) on ruminal fermentation and protozoa population in goat. the mlp at six levels 0, 25, 35, 55, 75 and 100 mg/30 ml, and the essential oil at six levels 0, 1700,3000,6700,8300 and 10000 mg/l plus monensin (as positive control, 50 mg and dissolved in ethanol) added to rumen fluid respect...

This experiment was done to investigate microbial contamination and in situ disappearance rates of dry matter (DM), N and 15N of fresh labeled ryegrass. Perennial ryegrass (Lolium perenne) were labeled with 15N during growth in a glasshouse, harvested at 4th leaves stage and were incubated up to 34 h in situ in the rumen of 3 individually housed sheep. The animals were fed 800 g/d chopped alfal...

Dagaa (Rastrinoebola argentea) protein hydrolysate as a nitrogen source in microbial culture mediaKatherine Pere, Betty Mbatia, Edward Muge, Vitalis W. Wekesa

In this research, the chemical and microbiological characteristics of white brined cheeses produced with five different starter cultures, namely: traditional kefir grain, commercial kefir, commercial yogurt, traditional yogurt and commercial cheese starter culture, were examined during 60-day ripening period. Results of statistical analysis showed that the type of starter culture had a signific...