Khazel Aboud Musa

As of January 2017, the FDA began a stricter regulation of antibiotics commonly used in the animal-feeding industry. Livestock and poultry producers alike have been accused of overfeeding various antibiotics, largely for growth promotion purposes (i.e., for increased feed efficiency and profitability). The ones the medical industry and the consumer have been most concerned with are those deemed m ...

IntroductionProper sampling of ration ingredients and submitting those samples for nutrient analysis to a good lab are essential components of diet formulation. The relative importance of sampling, analytical, and real variation on overall variation in nutrient composition data of ingredients has been discussed at previous conferences (Weiss et al., 2012; Weiss et al., 2014). Sampling variation wa ...

IntroductionSome 2.6 million hectares are cultivating in the world, where the greatest use of cactus for forage or fodder occurs in Tunisia: 600,000 ha, Algeria: 150,000 ha, Mexico: 230,000 ha (39), South Africa: 525,000 ha and Ethiopia: 355,000 ha (46), Brazil: > 600,000 ha (50) and Southern Morocco regions: 90,000 ha (1). For Argentina there is information on area cultivated with Opuntia onl ...

The GIT, or rather the gastrointestinal tract, is the organ of the all organism mostly colonized by the microbial population: it hosts more than 70% of all the microbes of the animal body and forms the gastrointestinal microbiome, consisting of bacteria, yeasts, fungi and viruses.The viruses present, quantitatively represent the largest number of gastrointestinal microbiome composition, excluding ...

The addition of yeasts to the diet of ruminant animals exerts favorable effects on the microbial population and on the fermentative indicators of the rumen and as consequence; it improves health and animals productivity (Bruno et al. 2009 and Al Ibrahim et al. 2012).The Animal Science Institute (ICA) from the Republic of Cuba has a collection of yeast isolated from the ruminal ecosystem, which do ...