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View article: PSV-9 Supplementing calcium β-hydroxy-β-methylbutyrate to <i>Bos indicus</i> cattle enhances performance in a subtropical environment with provided shade
PSV-9 Supplementing calcium β-hydroxy-β-methylbutyrate to <i>Bos indicus</i> cattle enhances performance in a subtropical environment with provided shade Open
The leucine metabolite, β-hydroxy-β-methylbutyrate (HMB), has been shown to have a positive effect on protein and lipid metabolism, immune function, and overall health in both humans and animals. Previous studies have shown the potential f…
View article: Training Protocol for Nellore Cattle in Respirometry Flow Trials Using Non-Ventilated Facial Mask
Training Protocol for Nellore Cattle in Respirometry Flow Trials Using Non-Ventilated Facial Mask Open
Training is instrumental in identifying and selecting cattle that exhibit greater cooperation with experimental conditions required in flow respirometry assays, like restraint and the use of a valved facial mask. In our study, a tailored t…
View article: Feed Additives Supplementation: A Potential Strategy to Ameliorate Heat Stress in Sheep – A Review
Feed Additives Supplementation: A Potential Strategy to Ameliorate Heat Stress in Sheep – A Review Open
Given a significant climate-flexible and socio-economic role in developing nations, environmental heat stress imposes a major financial impact on sheep production systems globally, endangering their production, reproduction, and growth. In…
View article: Ewe-lamb bond at birth and during lactation in an equatorial semi-arid environment is better in a native than in an introduced breed
Ewe-lamb bond at birth and during lactation in an equatorial semi-arid environment is better in a native than in an introduced breed Open
Santa Ines and Dorper sheep are the most popular breeds in the Brazilian semi-arid region. The former is of local origin and less intensively selected for productivity, and the latter is an introduced exotic breed selected for meat product…
View article: Measurement of microclimates in a warming world: problems and solutions
Measurement of microclimates in a warming world: problems and solutions Open
As the world warms, it will be tempting to relate the biological responses of terrestrial animals to air temperature. But air temperature typically plays a lesser role in the heat exchange of those animals than does radiant heat. Under rad…
View article: Methods, Thermodynamic Applications, and Habitat Implications of Physical and Spectral Properties of Hair and Haircoats in Cattle
Methods, Thermodynamic Applications, and Habitat Implications of Physical and Spectral Properties of Hair and Haircoats in Cattle Open
The physical properties (hair diameter, hair length, haircoat depth and haircoat density) and spectral properties (absorptivity, reflectivity, transmissivity) of the hair and haircoat of cattle are inputs to heat and moisture exchange betw…
View article: Economically sustainable shade design for feedlot cattle
Economically sustainable shade design for feedlot cattle Open
Provision of shade reduces radiant heat load on feedlot cattle, thus reducing demand of water and energy for thermoregulation. While the positive effects of shade on animal welfare are widely known, the literature lacks data on the magnitu…
View article: Use of Solar Panels for Shade for Holstein Heifers
Use of Solar Panels for Shade for Holstein Heifers Open
Animal Agrivoltaics combines electric energy generation, animal thermal comfort, and sustainable production at the same time. This model of production can foster the sustainable intensification of dairy production in tropical areas where s…
View article: Heat tolerance, thermal equilibrium and environmental management strategies for dairy cows living in intertropical regions
Heat tolerance, thermal equilibrium and environmental management strategies for dairy cows living in intertropical regions Open
This review makes an attempt to characterize the physical attributes of heat tolerance, thermal equilibrium and thermal stress thresholds for dairy cows living in tropical environments, with a particular emphasis on pasture-based systems. …
View article: Editorial: Genetic Basis of Thermoregulation in Livestock
Editorial: Genetic Basis of Thermoregulation in Livestock Open
EDITORIAL article Front. Vet. Sci., 11 March 2022Sec.Livestock Genomics https://doi.org/10.3389/fvets.2022.839612
View article: Forage cactus associated with different fiber sources for lactating Sindhi cows: production and composition of milk and ingestive behavior
Forage cactus associated with different fiber sources for lactating Sindhi cows: production and composition of milk and ingestive behavior Open
The objective of this study was to evaluate the association of forage cactus with different fiber sources (elephant grass hay - EGH; corn straw - CS, hay of cassava shoots - HCS; fresh sugarcane bagasse - FSB; and hydrolyzed sugarcane baga…
View article: Seasonal and circadian variation of the sexual behavior of Morada Nova rams in tropical environment
Seasonal and circadian variation of the sexual behavior of Morada Nova rams in tropical environment Open
The objective of this study was to evaluate the seasonal and daily variation in sexual behavior of Morada Nova breeders raised in the Brazilian semi-arid region. The data were collected from four rams and 114 ewes of the Morada Nova breed …
View article: Forage cactus associated with different fiber sources for lactating Sindhi cows: intake, digestibility and microbial protein production
Forage cactus associated with different fiber sources for lactating Sindhi cows: intake, digestibility and microbial protein production Open
This experiment was carried to evaluate the effect of forage cactus with different fiber sources (elephant grass hay [EGH], corn straw [CS], hay of cassava shoots [HCS], fresh sugarcane bagasse [FSB], and hydrolyzed sugarcane bagasse [HSB]…
View article: Reliability of methods to determine cutaneous evaporative water loss rate in furred and fleeced mammals
Reliability of methods to determine cutaneous evaporative water loss rate in furred and fleeced mammals Open
We used a high‐precision weighing system and flow‐through respirometry to quantify cutaneous evaporative water loss rates in woolly sheep (wool thickness, ca. 6.5 cm) and haired goats (coat thickness, ca. 2.5 cm), while simultaneously reco…
View article: Effect of the Silvopastoral System on the Thermal Comfort of Lambs in a Subtropical Climate: A Preliminary Study
Effect of the Silvopastoral System on the Thermal Comfort of Lambs in a Subtropical Climate: A Preliminary Study Open
The silvopastoral system has the potential to alleviate the negative impacts of heat stress on livestock. Through a preliminary study, we assessed the thermal environment experienced by hair coat lambs, as well as the impacts on their bio-…
View article: Climate-Resilient Dairy Cattle Production: Applications of Genomic Tools and Statistical Models
Climate-Resilient Dairy Cattle Production: Applications of Genomic Tools and Statistical Models Open
The current changing climate trend poses a threat to the productive efficacy and welfare of livestock across the globe. This review is an attempt to synthesize information pertaining to the applications of various genomic tools and statist…
View article: Heat Stress and Goat Welfare: Adaptation and Production Considerations
Heat Stress and Goat Welfare: Adaptation and Production Considerations Open
This review attempted to collate and synthesize information on goat welfare and production constraints during heat stress exposure. Among the farm animals, goats arguably are considered the best-suited animals to survive in tropical climat…
View article: Evaluation of the behavior of dairy calves bred in tropical climate
Evaluation of the behavior of dairy calves bred in tropical climate Open
The purpose of this study was to evaluate the behavior of dairy calves bred in tropical climate. Six calves of the Girolando breed at 3 months old in average were used. For the elaboration of the ethogram, the focal animal sampling method …
View article: Feeding Behavior of Lactating Dairy Cattle Fed Sorghum-Based Diets and Increasing Levels of Tannic Acid
Feeding Behavior of Lactating Dairy Cattle Fed Sorghum-Based Diets and Increasing Levels of Tannic Acid Open
Tannins have been used to trigger positive effects on ruminal metabolism and increase ruminant production efficiency, since they increase the supply of dietary protein in the small intestine. Increasing levels of tannic acid in a sorghum-b…
View article: How dryland mammals will respond to climate change: the effects of body size, heat load and a lack of food and water
How dryland mammals will respond to climate change: the effects of body size, heat load and a lack of food and water Open
Mammals in drylands are facing not only increasing heat loads but also reduced water and food availability as a result of climate change. Insufficient water results in suppression of evaporative cooling and therefore increases in body core…
View article: Assessment of welfare indicators in grazing dairy cows in Northeast Brazil
Assessment of welfare indicators in grazing dairy cows in Northeast Brazil Open
The welfare of dairy cows is a major global concern, due to its impact on cow health and productivity, as well as public health. The aim of this study was to identify the main problems related to welfare in dairy herds managed on pasture i…
View article: Maternal investment and growth performance of lambs in a hair coat sheep breed raised in equatorial semi-arid environment
Maternal investment and growth performance of lambs in a hair coat sheep breed raised in equatorial semi-arid environment Open
Made available in DSpace on 2020-12-10T17:29:14Z (GMT). No. of bitstreams: 0\n Previous issue date: 2020-04-03
View article: Supplementation of diets with glutamine and glutamic acid attenuated the effects of cold stress on intestinal mucosa and performance of weaned piglets
Supplementation of diets with glutamine and glutamic acid attenuated the effects of cold stress on intestinal mucosa and performance of weaned piglets Open
In this study we investigated the effect of glutamine and glutamic acid inclusion in the diet of weaned piglets subjected to cold stress and thermoneutral environment. Sixty-four weaned piglets were assessed from 28 to 65 days of age. A co…