Alfredo Borba
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View article: Effect of Acacia melanoxylon R. Br. Inclusion on the Chemical Composition, Fermentation Dynamics, and In Vitro Digestibility of Medicago sativa L. Silage
Effect of Acacia melanoxylon R. Br. Inclusion on the Chemical Composition, Fermentation Dynamics, and In Vitro Digestibility of Medicago sativa L. Silage Open
This study evaluated the effect of Acacia melanoxylon inclusion in Medicago sativa silage on chemical composition, fermentation quality, in vitro digestibility, gas production, and energy value. Due to its high moisture content, M. sativa …
View article: Insights into Enteric Methane Emissions in Conventional and Organic Dairy Grazing Systems in Island Regions
Insights into Enteric Methane Emissions in Conventional and Organic Dairy Grazing Systems in Island Regions Open
Pasture-based dairy systems are a cornerstone of agricultural practices in the Azores, contributing significantly to both the local economy and environmental sustainability. However, the environmental impact of these systems, particularly …
View article: Addressing Quality, Safety, and Sustainability Challenges in Artisanal Pico Cheese Production: Proteolysis Indexes, Staphylococci, and Whey Valorization
Addressing Quality, Safety, and Sustainability Challenges in Artisanal Pico Cheese Production: Proteolysis Indexes, Staphylococci, and Whey Valorization Open
Artisanal cheeses face unique challenges due to changes in the present approaches to food safety, health, and environmental sustainability. This work aims at tackling such challenges in Pico cheese, by addressing outdated PDO criteria, the…
View article: Addressing Quality, Safety, and Sustainability Challenges in Artisanal Pico Cheese Production
Addressing Quality, Safety, and Sustainability Challenges in Artisanal Pico Cheese Production Open
Artisanal cheeses face unique challenges, due to changes in the present approaches to food safety, health, and environmental sustainability. This work aims at tackling such challenges in Pico cheese, by addressing outdated PDO criteria, th…
View article: Nutritive Valorisation of Banana Tree (Musa acuminata) By-Products with Different Levels of Sodium Hydroxide
Nutritive Valorisation of Banana Tree (Musa acuminata) By-Products with Different Levels of Sodium Hydroxide Open
The aim of this study is to evaluate the effects of treatment with sodium hydroxide on the nutritional value of banana (Musa acuminata) trees to see if they can be used as a source of fibre for ruminants since there is large banana product…
View article: Near-Infrared Spectroscopy in Animal Nutrition: Historical Insights, Technical Principles, and Practical Applications
Near-Infrared Spectroscopy in Animal Nutrition: Historical Insights, Technical Principles, and Practical Applications Open
Optimizing forage quality is vital for enhancing animal performance and supporting the global animal production industry. Near-infrared (NIR) spectroscopy offers a rapid, non-destructive alternative to traditional, time-intensive laborator…
View article: Nitrogen Fertilization Using Conventional and Slow-Release Fertilizers at Multiple Levels in Lolium multiflorum Lam. Pastures
Nitrogen Fertilization Using Conventional and Slow-Release Fertilizers at Multiple Levels in Lolium multiflorum Lam. Pastures Open
Pastures are essential for sustaining dairy production, particularly in temperate climates where year-round grazing is feasible. However, comprehensive analyses of their productivity, efficiency, and cost evaluation remain uncommon. This s…
View article: Exploring the Catrina, an autochthonous cattle breed of the Azores, for a comparative analysis of methane emissions with Holstein-Friesian dairy cows
Exploring the Catrina, an autochthonous cattle breed of the Azores, for a comparative analysis of methane emissions with Holstein-Friesian dairy cows Open
Introduction The struggle against climate change in agriculture requires an increased understanding of greenhouse gas emissions, mainly from cattle farming. Through precise and accessible methods to monitor the methane (CH 4 ) emissions of…
View article: A Sustainable Approach to Managing Invasive Macroalgae: Assessment of the Nutritional Profile and the Potential for Enteric Methane Mitigation of Rugulopteryx okamurae
A Sustainable Approach to Managing Invasive Macroalgae: Assessment of the Nutritional Profile and the Potential for Enteric Methane Mitigation of Rugulopteryx okamurae Open
The expansion of the invasive Asian macroalgae Rugulopteryx okamurae along the coasts of the Azores represents a significant challenge for local marine biodiversity. A promising approach to managing the biomass produced by this alien alga …
View article: Role of Wilting Time on the Chemical Composition, Biological Profile, and Fermentative Quality of Cereal and Legume Intercropping Silage
Role of Wilting Time on the Chemical Composition, Biological Profile, and Fermentative Quality of Cereal and Legume Intercropping Silage Open
Agricultural production in the Azores primarily focuses on the livestock sector, notably, dairy production, where cows graze year-round in a rotational system. To maintain pasture productivity, farmers often rely on synthetic nitrogen fert…
View article: Influence of Adding Dehydrated Medicago sativa on the Nutritional Parameters Related to Hedychium gardnerianum Silage Quality
Influence of Adding Dehydrated Medicago sativa on the Nutritional Parameters Related to Hedychium gardnerianum Silage Quality Open
This study investigated using Hedychium gardnerianum, an invasive plant, combined with dehydrated alfalfa (Medicago sativa) with varying percentages of alfalfa: control (0% alfalfa), T1 (10%), T2 (20%), T3 (30%), and T4 (40%), to enhance n…
View article: Optimizing nutritional value and biological profile of non-conventional forages for animal feeding by utilizing sodium hydroxide
Optimizing nutritional value and biological profile of non-conventional forages for animal feeding by utilizing sodium hydroxide Open
Increasing quality and decreasing quantity represent global trends in the forage processing for animal feed. Consequently, various techniques are applied to achieve these objectives. This study aims to evaluate the internal quality and bio…
View article: Evaluation of Two Species of Macroalgae from Azores Sea as Potential Reducers of Ruminal Methane Production: In Vitro Ruminal Assay
Evaluation of Two Species of Macroalgae from Azores Sea as Potential Reducers of Ruminal Methane Production: In Vitro Ruminal Assay Open
The utilisation of seaweeds as feed supplements has been investigated for their potential to mitigate enteric methane emissions from ruminants. Enteric methane emissions are the primary source of direct greenhouse gas emissions in livestoc…
View article: Effects of cortisol levels on reproductive success in cattle of different temperaments during fixed-time artificial insemination (FTAI)
Effects of cortisol levels on reproductive success in cattle of different temperaments during fixed-time artificial insemination (FTAI) Open
The present study was designed to assess the effect of stress on the reproductive performance of cattle. For this purpose, a total of 137 cows were divided into two groups: 65 belonging to the Azores Lydia breed and 72 crossing Aberdeen-An…
View article: Chemical composition and gas production kinetic parameters of sweet potato vine waste silage after preserved for short and prolonged periods
Chemical composition and gas production kinetic parameters of sweet potato vine waste silage after preserved for short and prolonged periods Open
The sweet potato (Ipomoea batata L.) culture produces by-products with animal feeding potential, such as vines. Given that sweet potato vines are seasonal and highly perishable, the adoption of conservation strategies such as silage become…
View article: Seasonal Effect of Grass Nutritional Value on Enteric Methane Emission in Islands Pasture Systems
Seasonal Effect of Grass Nutritional Value on Enteric Methane Emission in Islands Pasture Systems Open
Quantifying entericCH4 from grazing systems is a challenge for all regions of the world, especially when cattle feed mostly on pasture throughout the year, as pasture quality varies with the seasons. In this study, we examine the influence…
View article: Near-Infrared Spectroscopy Integration in the Regular Monitorization of Pasture Nutritional Properties and Gas Production
Near-Infrared Spectroscopy Integration in the Regular Monitorization of Pasture Nutritional Properties and Gas Production Open
Nutrition has a very significant impact on animal performance. Given the limited agricultural area of the Azores, the optimization of forage quality, quantity, and availability is key for the local livestock industry’s ability to respond t…
View article: Influence of the Physical Properties of Samples in the Use of NIRS to Predict the Chemical Composition and Gas Production Kinetic Parameters of Corn and Grass Silages
Influence of the Physical Properties of Samples in the Use of NIRS to Predict the Chemical Composition and Gas Production Kinetic Parameters of Corn and Grass Silages Open
Livestock production is the main economic engine of the Azores. Given the role nutrition plays in animal performance and the context of limited Averages sharing the same letter are noagricultural area of the archipelago, optimising the qua…
View article: In Vitro Rumen Fermentation Kinetics Determination and Nutritional Evaluation of Several Non-Conventional Plants with Potential for Ruminant Feeding
In Vitro Rumen Fermentation Kinetics Determination and Nutritional Evaluation of Several Non-Conventional Plants with Potential for Ruminant Feeding Open
Using invasive plants as non-conventional forage in livestock production can contribute to meeting climate change targets and provide a competitive advantage in a global market. This study evaluated the nutritional potential of several non…
View article: Influence of the Season on the Nutritive Value and Gas Production of Opuntia ficus-indica and Agave americana L. in Ruminant Feed
Influence of the Season on the Nutritive Value and Gas Production of Opuntia ficus-indica and Agave americana L. in Ruminant Feed Open
Using invasive plants in animal production can provide an economical and eco-sustainable competitive advantage in a globalized market. The Opuntia ficus-indica and the Agave americana L. are invasive plants historically used by Azorean far…
View article: A Longitudinal Study with a Laser Methane Detector (LMD) Highlighting Lactation Cycle-Related Differences in Methane Emissions from Dairy Cows
A Longitudinal Study with a Laser Methane Detector (LMD) Highlighting Lactation Cycle-Related Differences in Methane Emissions from Dairy Cows Open
Reversing climate change requires broad, cohesive, and strategic plans for the mitigation of greenhouse gas emissions from animal farming. The implementation and evaluation of such plans demand accurate and accessible methods for monitorin…
View article: Alternative Forages as Roughage for Ruminant: Nutritional Characteristics and Digestibility of Six Exotic Plants in Azores Archipelago
Alternative Forages as Roughage for Ruminant: Nutritional Characteristics and Digestibility of Six Exotic Plants in Azores Archipelago Open
This study aimed to evaluate the nutritional potential of unconventional plants: Pittosporum undulatum, Cryptomeria japonica, Acacia melanoxylon, Hedychium gardnerianum, Eucalyptus globulus, and Arundo donax, as an alternative roughage for…
View article: Impacts of trace element supplementation on productive/reproductive postpartum performances of grazing dairy heifers from volcanic soils
Impacts of trace element supplementation on productive/reproductive postpartum performances of grazing dairy heifers from volcanic soils Open
This study has been designed to evaluate the effect of trace elements (TE) on the reproductive and productive performances of postpartum Holstein Friesian heifers, fed on pasture with origin on volcanic soils, poor in TE. Twenty-six heifer…
View article: Influence of Climate Variability and Soil Fertility on the Forage Quality and Productivity in Azorean Pastures
Influence of Climate Variability and Soil Fertility on the Forage Quality and Productivity in Azorean Pastures Open
This work aimed to determine and compare the effect of elevation and season on the productivity and the nutritive value of pastures in the Azores (Terceira Island). Forage was collected and analysed for dry matter (DM), crude protein (CP),…
View article: Alternative pathways for hydrogen sink originated from the ruminal fermentation of carbohydrates: Which microorganisms are involved in lowering methane emission?
Alternative pathways for hydrogen sink originated from the ruminal fermentation of carbohydrates: Which microorganisms are involved in lowering methane emission? Open
Agriculture is responsible for a great share of the anthropogenic sources of greenhouse gases that, by warming the earth, threaten its biodiversity. Among greenhouse gas emissions, enteric CH 4 from livestock is an important target to slow…
View article: Food habits, schooling and predatory behaviour of the yellowmouth barracuda, Sphyraena viridensis (Perciformes: Sphyraenidae) in the Azores
Food habits, schooling and predatory behaviour of the yellowmouth barracuda, Sphyraena viridensis (Perciformes: Sphyraenidae) in the Azores Open
The yellowmouth barracuda is one of the most common coastal pelagic predator in the Azores archipelago which probably constitutes their northernmost range in the Eastern North Atlantic. The biology, behaviour and feeding ecology of this sp…