A5070221108- Ruminant Nutrition and Digestive Physiology
- Reproductive Physiology in Livestock
- Agroforestry and silvopastoral systems
- Genetic and phenotypic traits in livestock
- Agronomic Practices and Intercropping Systems
- Rabbits: Nutrition, Reproduction, Health
- Animal Nutrition and Physiology
- Agriculture Sustainability and Environmental Impact
- Turfgrass Adaptation and Management
- Effects of Environmental Stressors on Livestock
- Agriculture and Farm Safety
- Agricultural and Food Production Studies
- Nitrogen and Sulfur Effects on Brassica
- Algal biology and biofuel production
- Nuts composition and effects
- Agricultural pest management studies
- Biofuel production and bioconversion
- Heat Transfer Mechanisms
- Land Use and Ecosystem Services
- Urban Agriculture and Sustainability
- Moringa oleifera research and applications
- Plant Taxonomy and Phylogenetics
- Soil Management and Crop Yield
- Botany and Plant Ecology Studies
- Bioenergy crop production and management
University of El Salvador
2021-2024
University of Hohenheim
2012-2024
Weatherford College
2023
Instituto de Ciencias Agrarias
2017
Ghent University
2011-2016
Castro-Montoya, J. M., Makkar, H. P. S. and Becker, K. 2011. Chemical composition of rumen microbial fraction fermentation parameters as affected by tannins saponins using an in vitro system. Can. Anim. Sci. 91: 433–448. Post-rumen chemical the is one factors that determines nutrients absorbed available for maintenance production animal. The hypothesis was alter microbes rumen. Purified quebracho, mimosa, chestnut sumach tannins; quillaja gypsophilla were incubated with 380 mg substrate...
The aim was to determine the effect of substituting pumpkin seed cake (PSC) or extruded linseed (ELS) for soya bean meal in goats’ diets on milk yield, composition and fatty acids profile fat. In total, 28 dairy goats were divided into three groups. They fed with concentrate mixtures containing (Control; n=9), ELS (n=10) PSC (n=9) as main protein sources trial lasting 75 days. Addition did not influence yield gross contrast acid compared Control. Supplementation resulted greater...
Milk fatty acid (MFA) have already been used to model methane (CH4) emissions from dairy cows. However, the data sets develop these models covered limited variation in dietary conditions, reducing robustness of predictions. In this study, a set containing 140 observations nine experiments (41 Holstein cows) was predicting CH4 expressed as g/day, g/kg dry matter intake (DMI) and milk. The divided into training (n=112) test (n=28) for development validation, respectively. A generalized linear...
This study evaluated the effects of Quebracho tannin extract (QTE) on in vitro ruminal fermentation, chemical composition rumen microbes, degradation and intestinal digestibility crude protein (iCPd). Three treatments were tested, control (basal diet without QTE), basal with 15 g QTE/kg dry matter (DM) 30 DM. The contained (g/kg DM): 339 grass silage, 317 maize silage 344 concentrate. In gas production kinetic was determined using Hohenheim test (Experiment 1). Ankom RF technique, a batch...
Our objective was to measure chemical composition and anatomy of 5 Megathyrsus maximus (syn. Panicum maximum) genotypes, when grown in combination with eucalypts a silvopastoral system. Cultivars Massai, Mombaça, BRS Tamani, Tanzânia intraspecific hybrid accession PM44 were evaluated full sun system at different distances from eucalyptus tree rows. The experimental design randomized block split plot 2 replications. Plots corresponded genotypes subplots sampling points within the Total forage...
Changes in the nutritive value of forages are imminent under different ensiling conditions. Thus, a study was conducted to assess effects length and storage temperature on value, fermentation characteristics fibre-bound protein three tropical forage legumes, sorghum mixtures legumes. Soybean (Glycine max), jack bean (Cannavalia ensiformis), lablab (Lablab purpureus) (Sorghum bicolor) were solely grown harvested, legumes wilted before ensiling. Mixtures each legume handmade percentage fresh...
The aim was to analyze the effects of two cereal grains differing in nutritional composition and starch degradation characteristics timing their supplementation on feed intake, rumen microbial protein synthesis (MPS), performance, nitrogen use lactating dairy cows grazing an alfalfa-ryegrass sward. Four dietary treatments were tested 24 Brown Swiss incomplete 4 × 3 Latin square design. Cows supplemented with 3.5 kg/d (as-fed basis) a corn-based or oat-based concentrate mixture (CM), which...
The aim of this study was to evaluate the relationship milk odd- and branched-chain fatty acids (OBCFA) with urinary purine derivates estimated ruminal microbial crude protein (MCP) synthesis. Forty-four lactating Holstein cows were used in a 4 × Latin square design 21-day periods comprised 13-day adaptation phase diet followed by an 8-day sampling phase. Differences MCP yield OBCFA composition found feeding total mixed rations containing forage (maize silage, MS; red clover RCS)...
Abstract This study aimed to evaluate in vitro fermentation characteristics, microbial protein synthesis and community composition when replacing maize silage ( MS ) with red clover RCS total mixed rations TMR of dairy cows. Treatments included containing forage concentrates (0.75:0.25) targeted proportions (dry matter DM basis) 0.15 15 ), 0.30 30 0.45 45 0.60 60 substitution . Samples the were incubated using Ankom RF technique a mixture rumen fluid buffer solution (1:2 v/v) for 8 24 hr....