Marcos Kipper Da Silva

1. Introductionβ-mannans (BM) are commonly present in a wide variety of feedstuffs, including soybean meal, and have been described as one of the major anti-nutritional factors for non-ruminant animals (Bertechini, 2013). Dietary BM are associated with negative effects in pigs and broilers, such as increased intestinal viscosity and decreased nutrient digestibility (Shastak et al., 2015). Des ...

The ProblemGut and oviduct microbiota are closely related, especially because of the common connection with the cloaca. In this condition, modulating the gut microbiota with multi-strain probiotic supplementation may change the oviduct tract microbiota.How we investigated or researched the problemHyline W36 laying hens housed in commercial aviaries were evaluated. Control animals were fed the farm ...

IntroductionFungal contamination in grains is a serious issue for modern animal production. Mold growth is associated with decreased nutrient content in animal feedstuff (Vieira, 2003). Furthermore, the development of fungi under specific conditions may lead to another major threat: mycotoxin production. In past decades, over one quarter of the world’s food crop production was estimated to b ...

IntroductionLysine (Lys) is the second limiting amino acid (AA) in practical corn-soybean meal diets. Growth performance and proper muscle development of broiler chickens is highly dependent of an adequate dietary supply of Lys. Although all AA coded in the nucleic acid sequence are required for muscle protein synthesis, also depending on its frequency and dietary supply, Lys is the main esse ...

IntroductionCereals are particularly susceptible to fungal contamination during both the pre- and postharvest stages. Many of these fungi are producers of mycotoxins, which are a chemically diverse group of secondary metabolites with a wide range of toxic effects (Bryden, 2012). The contamination of grain by mycotoxins represents a major concern worldwide in the pig production chain, since the eff ...