A5057012197- Ruminant Nutrition and Digestive Physiology
- Agriculture Sustainability and Environmental Impact
- Genetic and phenotypic traits in livestock
- Effects of Environmental Stressors on Livestock
- Meat and Animal Product Quality
- Animal Nutrition and Physiology
- Agroforestry and silvopastoral systems
- Soil Management and Crop Yield
- Heavy Metals in Plants
- Rabbits: Nutrition, Reproduction, Health
- Odor and Emission Control Technologies
- Agricultural and Food Sciences
- Growth and nutrition in plants
- Plant Toxicity and Pharmacological Properties
- Rural Development and Agriculture
- Aquaculture Nutrition and Growth
- Bioenergy crop production and management
- Gut microbiota and health
- Plant and fungal interactions
- Agriculture and Rural Development Research
- Livestock Management and Performance Improvement
- Rangeland Management and Livestock Ecology
- Soil Carbon and Nitrogen Dynamics
- Pesticide and Herbicide Environmental Studies
- Muscle metabolism and nutrition
Brazilian Agricultural Research Corporation
2016-2025
Agricultural Research Corporation
2016-2023
Secretaria de Agricultura e Abastecimento
2019
Universidade de São Paulo
2019
Institute of Animal Science and Pastures
2011-2014
Agência Paulista de Tecnologia dos Agronegócios
2009-2013
Universidad Nacional Agraria La Molina
2008
Columbia University
2008
St. Mary's University, Texas
2002
Methodist University of Piracicaba
2002
Ruminant livestock are an important source of anthropogenic methane (CH4). Decreasing the emissions enteric CH4 from ruminant production is strategic to limit global temperature increase 1.5°C by 2050. Research in area mitigation has grown exponentially last 2 decades, with various strategies for abatement being investigated: intensification, dietary manipulation (including supplementation and processing concentrates lipids, management forage pastures), rumen (supplementation ionophores,...
This research describes the empirical classification of stressors for gay men and lesbians. Volunteer respondents were recruited through a free local lesbian newspaper, student organizations nationwide, bookstores at festival in St. Louis. Nine hundred seventy-nine (979) participants completed 70-item measure with that had been identified previous qualitative research. Participants asked to indicate degree which they experienced stress associated variety experiences. also dysphoria (CES-D),...
The objective of this study was to determine the effect dietary nitrate on methane emission and rumen fermentation parameters in Nellore × Guzera (Bos indicus) beef cattle fed a sugarcane based diet. experiment conducted with 16 steers weighing 283 ± 49 kg (mean SD), 6 cannulated 10 intact steers, cross-over design. animals were blocked according BW presence or absence cannula randomly allocated either diet (22 g nitrate/kg DM) control made isonitrogenous by addition urea. diets consisted...
Latin America and Caribbean (LAC) is a developing region characterized for its importance global food security, producing 23 11% of the beef milk production, respectively. The region's ruminant livestock sector however, under scrutiny on environmental grounds due to large contribution enteric methane (CH4) emissions influence climate change. Thus, identification effective CH4 mitigation strategies which do not compromise animal performance urgently needed, especially in context Sustainable...
This study investigated the long-term effects (13 months) of encapsulated nitrate supplementation (ENS) on enteric methane emissions, rumen fermentation parameters, ruminal bacteria, and diversity archaea in grazing beef cattle. We used a total thirty-two Nellore steers (initial BW 197 ± 15.3 kg), 12 which were fitted with cannulas. For 13 months, animals maintained paddocks fed concentrate ground corn, soybean meals, mineral supplements, urea (URS) or (EN) containing 70 g EN/100 kg...
Livestock production is a pivotal source of income and agricultural greenhouse gas (GHG) emissions in Colombia, Brazil, Argentina, Costa Rica, Uruguay, Mexico Peru. Several management technological options, with enteric methane mitigation potential, have been evaluated their scaling anticipated to contribute towards achieving GHG emission reduction targets. Yet, widespread adoption promising options remains limited, raising questions as whether envisaged targets are achievable. Using locally...
Mate (Ilex paraguariensis A.St.-Hil.) is generally recognized as safe (GRAS status) and has a high content of alkaloids, saponins, phenolic acids. Addition mate extract to broilers feed been shown increase the oxidative stability chicken meat, however, its effect on beef quality from animals supplemented with not investigated so far. standard maize/soy at level 0.5, 1.0 or 1.5% w/w diet feedlot for cattle resulted in increased levels inosine monophosphate, creatine carnosine fresh meat. The...
The production of beef cattle in the Atlantic Forest biome mostly takes place pastoral systems. There are millions hectares covered with pastures this biome, including degraded pasture (DP), and only small area original has been preserved tropics, implying that actions must be taken by livestock sector to improve sustainability. Intensification makes it possible produce same amount, or more beef, a smaller area; however, environmental impacts assessed. Regarding climate change, C dynamics is...
Using lipids can correct energy deficiencies in pasture, boost weight gain ruminants, and enhance profitability farming activities. The objective of this study was to evaluate the losses feedlot steers fed diets based on corn silage, with or without addition form soybean oil ground seeds. Eight were randomly assigned two balanced 4 × Latin squares. experimental treatments as follows: silage; silage concentrate feed lipid addition; 5% (soybean oil) (ground seeds) addition. results showed that...
O objetivo deste trabalho foi avaliar metas de manejo para capim-marandu (Urochloa brizantha cv. Marandu) submetido a pastejo rotativo e doses nitrogênio, janeiro 2009 abril 2010. Os tratamentos consistiram da combinação duas frequências (altura pré-pastejo 25 35 cm) fertilizante nitrogenado (50 200 kg ha-1 por ano) em delineamento blocos ao acaso com arranjo fatorial 2x2 quatro repetições. A altura pós-pastejo estipulada 15 cm. Maiores valores ganho peso médio animal dia (0,629 0,511 dia-1)...
The present study was conducted to evaluate the effect of lipids with different fatty acid profiles on intake, performance, and enteric CH4 emission Nellore steers. A total 45 animals an average initial BW 419 ± 11 kg (at 15 2 mo) were distributed in a completely randomized design consisting 5 treatments 9 replicates. roughage feed maize silage (600 g/kg DM basis) plus concentrate (400 basis). dietary as follows: without additional fat (WF), palm oil (PO), linseed (LO), protected (PF;...
Poor-quality roughages are widely used as fiber sources in concentrate-based diets for ruminants. Because roughage quality is associated with the efficiency of energy use forage-based diets, objective this study was to determine whether differing source could change requirements growing lambs. Eighty-four 1/2 Dorper × Santa Inês ram lambs (18.0 ± 3.3 kg BW) were individually penned and divided into 2 groups according primary dietary roughage: low-quality (LQR; sugarcane bagasse) or...
The success of different species ruminants in the colonization a diverse range environments is due to their ability digest and absorb nutrients from cellulose, complex polysaccharide found leaves grass. Ruminants rely on microbial community, or microbiota, unique compartment known as rumen break down this polysaccharide. Changes populations can affect host's development, health, productivity. However, accessing stressful for animal. Therefore, development use alternative sampling methods are...
Background: The impact of extreme changes in weather patterns on the economy and human welfare is one biggest challenges our civilization faces. From anthropogenic contributions to climate change, reducing farming activities a priority since it responsible for up 18% global greenhouse gas emissions. To this end, we tested whether ruminal stool microbiome components could be used as biomarkers methane emission feed efficiency bovine by studying 52 Brazilian Nelore bulls belonging two...
Feed intake and average daily gain (ADG) in Nellore cattle were determined to calculate residual feed two performance tests: first during the growth phase (RFIgrowth) then a measurement of methane emission (RFImet). During RFIgrowth test, 62 males 56 females classified as low-, medium-, high-RFI. Enteric was measured 46 animals; 23 used for RFImet plus (22 low-RFIgrowth 24 high-RFIgrowth). Diet consisted Brachiaria brizantha cv. Marandu hay (445 g/kg DM) concentrate (555 DM). phases, DMI...