M. Devant
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View article: The lubricating effect of fats on pellet manufacturing
The lubricating effect of fats on pellet manufacturing Open
Increased fat inclusion in livestock feed reduces physical pellet quality, which is often attributed to die lubrication. Concrete evidence for lubrication remains, however, limited to a water-based lubrication layer. Here, we investigated …
View article: Fecal metabolomics to understand intestinal dysfunction in male dairy beef calves at arrival to the rearing farm
Fecal metabolomics to understand intestinal dysfunction in male dairy beef calves at arrival to the rearing farm Open
Fecal biomarkers are becoming an important analytical tool since feces are in direct contact with the inflamed intestine and site for the gut microbiome. The objective of this study was the identification of differential fecal metabolites …
View article: Bovine fecal biomarkers of intestinal inflammatory process: Calprotectin and lactoferrin, a comparative study
Bovine fecal biomarkers of intestinal inflammatory process: Calprotectin and lactoferrin, a comparative study Open
Fecal lactoferrin and fecal calprotectin have been proposed as biomarkers of intestinal inflammation in several animal species. The main objectives of this work were to validate an analytical procedure for the measurement of lactoferrin in…
View article: Dose Effect of Drinking Water Nitrate on Health, Feed Intake, Rumen Fermentation and Microbiota, and Nitrogen Excretion in Holstein Heifers for a Sustainable Water Use
Dose Effect of Drinking Water Nitrate on Health, Feed Intake, Rumen Fermentation and Microbiota, and Nitrogen Excretion in Holstein Heifers for a Sustainable Water Use Open
The present study aimed to evaluate the potential hazardous effects of NO3− concentration in drinking water on health, feed intake, rumen fermentation and microbiota, and nitrogen excretion of Holstein heifers fed a high-concentrate diet f…
View article: 325 Longitudinal retrospective study of performance and biomarkers of energy balance and gastrointestinal functionality in unweaned calves subjected to transport or entire commercialization at arrival
325 Longitudinal retrospective study of performance and biomarkers of energy balance and gastrointestinal functionality in unweaned calves subjected to transport or entire commercialization at arrival Open
Data from 347 unweaned male dairy beef calves enrolled in 3 studies from 2021 to 2023 were used to evaluate the impact of transport or entire commercialization (marketing and transport) on performance recovery [average daily gain (ADG) and…
View article: Chlorine dioxide may be an alternative to acidification and chlorination for drinking water chemical disinfection in dairy beef bulls
Chlorine dioxide may be an alternative to acidification and chlorination for drinking water chemical disinfection in dairy beef bulls Open
Alternative water disinfectants to chlorination need to be identified because its effectiveness is limited by water pH and potentially carcinogen by-products resulted from chlorination and organic compound reaction. The first study aimed t…
View article: Challenges When Assessing Water-Related Environmental Impacts of Livestock Farming: A Case Study of a Cow Milk Production System in Catalonia
Challenges When Assessing Water-Related Environmental Impacts of Livestock Farming: A Case Study of a Cow Milk Production System in Catalonia Open
Water availability is a local issue of growing importance in Mediterranean areas where water scarcity linked to climate change and population growth is already leading to increased competition for this resource. This study is aimed at the …
View article: Multiphase diets may improve feed efficiency in fattening crossbreed Holstein bulls: a retrospective simulation of the economic and environmental impact
Multiphase diets may improve feed efficiency in fattening crossbreed Holstein bulls: a retrospective simulation of the economic and environmental impact Open
Beef industry needs alternative feeding strategies to enhance both economic and environmental sustainability. Among these strategies, adjusting the diet dynamically according to the change of nutritional requirements (multiphase diet) has …
View article: PSIII-22 Substituting Palm Oil By Polyunsaturated Fatty Acid Rich Oils Reduces Methane Emissions at a Different Degree Depending on Concentrate Formula of Dairy Beef Calves: in Vitro Screening
PSIII-22 Substituting Palm Oil By Polyunsaturated Fatty Acid Rich Oils Reduces Methane Emissions at a Different Degree Depending on Concentrate Formula of Dairy Beef Calves: in Vitro Screening Open
In dairy beef calves fed high-concentrate diets even methane emissions may be lesser than calves fed high-roughage diets there is still room to improvement. Substituting palm oil, an ingredient that is questioned by the impact on deforesta…
View article: PSII-30 Effect of Dietary Alpha-Amylase Enzyme Supplementation on Growth Performance and Carcass Quality of Crossbred Dairy Beef Bulls Fed Pellet Or Mash High-Concentrate Diets
PSII-30 Effect of Dietary Alpha-Amylase Enzyme Supplementation on Growth Performance and Carcass Quality of Crossbred Dairy Beef Bulls Fed Pellet Or Mash High-Concentrate Diets Open
The aim of this study was to evaluate the effect of dietary alpha-amylase supplementation on growth performance and carcass quality in crossbred dairy beef bulls fed either pellet or mash high-concentrate diets. Two parallel studies were c…
View article: PSII-29 Effect of Dietary Alpha-Amylase Enzyme Supplementation on Growth Performance, Eating Pattern and Carcass Quality in Crossbred Dairy Beef Bulls Fed High-Concentrate Diets.`
PSII-29 Effect of Dietary Alpha-Amylase Enzyme Supplementation on Growth Performance, Eating Pattern and Carcass Quality in Crossbred Dairy Beef Bulls Fed High-Concentrate Diets.` Open
The aim of this study was to evaluate the effect of dietary alpha-amylase supplementation on growth performance and carcass quality in crossbred dairy beef bulls fed high-concentrate diets. Ninety-nine bulls (187 ± 2.6 kg of BW, and 146 ± …
View article: Citrus Flavonoids Supplementation as an Alternative to Replace Zinc Oxide in Weanling Pigs’ Diets Minimizing the Use of Antibiotics
Citrus Flavonoids Supplementation as an Alternative to Replace Zinc Oxide in Weanling Pigs’ Diets Minimizing the Use of Antibiotics Open
Since citrus flavonoids have antioxidant and anti-inflammatory properties, it was hypothesized that these compounds would become a suitable alternative to the use of therapeutic doses of zinc oxide at weaning. A total of 252 weaned pigs ([…
View article: Drinking water chlorination in dairy beef fattening bulls: water quality, potential hazards, apparent total tract digestibility, and growth performance
Drinking water chlorination in dairy beef fattening bulls: water quality, potential hazards, apparent total tract digestibility, and growth performance Open
The first study aimed to evaluate the effect of drinking water disinfection (chlorination: NaClO 15%) and conditioning (acidification: H3PO4 diluted 1:5 in water) on water quality, water and feed consumption, apparent total tract digestibi…
View article: 358 Gastrointestinal Permeability in Unweaned Male Holstein Calves: Colostrum Consumption and Feed Restriction Matters
358 Gastrointestinal Permeability in Unweaned Male Holstein Calves: Colostrum Consumption and Feed Restriction Matters Open
Male Holstein calves (n = 80; 42.7 ± 1.44 kg and 14.2 ± 0.81 days of age) were used to evaluate the effects of colostrum consumption and feed restriction on gut functionality in calves subjected to an assembly center simulation (ACS). Well…
View article: PSXIII-3 Effect of pen Stocking Density on Animal Performance, Social Behavior, and Animal and pen Dirtiness in Holstein Bulls fed High-Concentrate Diets
PSXIII-3 Effect of pen Stocking Density on Animal Performance, Social Behavior, and Animal and pen Dirtiness in Holstein Bulls fed High-Concentrate Diets Open
The aim of this study was to evaluate the effect of pen stocking density on animal performance, social behavior, and animal and pen dirtiness in fattening bulls. Two hundred sixty-three bulls (250 ± 24.7 kg BW, and 193 ± 13.2 d age) were g…
View article: PSXIV-2 Effect of Drinking Water Disinfection Treatments on Water Quality, Water and Feed Consumption, Apparent Total Tract Digestibility and Health in Holstein Bulls fed High-Concentrate Diets
PSXIV-2 Effect of Drinking Water Disinfection Treatments on Water Quality, Water and Feed Consumption, Apparent Total Tract Digestibility and Health in Holstein Bulls fed High-Concentrate Diets Open
The aim of this study was to evaluate the effect of different drinking water disinfection treatments on water quality, water and feed consumption, apparent total tract digestibility, and animal health in fattening Holstein bulls. Bulls (n=…
View article: PSXVI-5 Rumen Parameters and Microbial Population Changes in Fattening Holstein Heifers fed with Nitrate-Contaminated Water
PSXVI-5 Rumen Parameters and Microbial Population Changes in Fattening Holstein Heifers fed with Nitrate-Contaminated Water Open
The aim of this study was to evaluate the effect of drinking water nitrate concentration on rumen parameters and its microbial population that may affect greenhouse gases in fattening cattle. Holstein heifers (n = 24; 161 ± 19.9 kg of init…
View article: PSIX-18 Use of Feed Additives to Improve the Recovery of Unweaned Calves After Transportation
PSIX-18 Use of Feed Additives to Improve the Recovery of Unweaned Calves After Transportation Open
Transportation of unweaned calves involves periods of feed restriction and stress without a fully developed immune system and gastrointestinal tract. The use of additives to enhance intake and immunity at arrival could be a strategy to min…
View article: PSIII-20 The Effect of Waiting Time at the Lairage of Slaughterhouse of Fattening Bulls After a Long Transport on Animal Behavior, Carcass Quality and Meat Quality
PSIII-20 The Effect of Waiting Time at the Lairage of Slaughterhouse of Fattening Bulls After a Long Transport on Animal Behavior, Carcass Quality and Meat Quality Open
The aim of this study was to evaluate the effect of waiting time at the lairage before slaughter in crossbred bulls after a long transport (~14h). One-half of the bulls of each transport (n = 8 transports; n = 48 ± 4 bulls/transport) were …
View article: 357 The Effects of Colostrum Consumption and Feed Restriction on Performance, Energy Balance, and Behavior in Unweaned Male Holstein Calves Being Marketed and Transported
357 The Effects of Colostrum Consumption and Feed Restriction on Performance, Energy Balance, and Behavior in Unweaned Male Holstein Calves Being Marketed and Transported Open
Male Holstein calves (n = 80; 42.7 ± 1.44 kg and 14.2 ± 0.81 days of age) were used to evaluate the effects of colostrum consumption and feed restriction on performance, energy balance (serum concentration of BHB and NEFA), and behavior on…
View article: Supplementing Citrus aurantium Flavonoid Extract in High-Fat Finishing Diets Improves Animal Behavior and Rumen Health and Modifies Rumen and Duodenum Epithelium Gene Expression in Holstein Bulls
Supplementing Citrus aurantium Flavonoid Extract in High-Fat Finishing Diets Improves Animal Behavior and Rumen Health and Modifies Rumen and Duodenum Epithelium Gene Expression in Holstein Bulls Open
One hundred and forty-six bulls (178.2 ± 6.64 kg BW and 146.0 ± 0.60 d of age) were randomly allocated to one of eight pens and assigned to control (C) or citrus flavonoid (BF) treatments (Citrus aurantium, Bioflavex CA, HTBA, S.L.U., Barc…
View article: Characterization of Three Different Mediterranean Beef Fattening Systems: Performance, Behavior, and Carcass and Meat Quality
Characterization of Three Different Mediterranean Beef Fattening Systems: Performance, Behavior, and Carcass and Meat Quality Open
The aim of this study was to characterize three different commercial dairy beef fattening systems for intensive Mediterranean fattening programs differing in gender, breed, nutrition, and days of feed in order to describe their performance…
View article: Effect of decreasing dietary crude protein in fattening calves on the emission of ammonia and greenhouse gases from manure stored under aerobic and anaerobic conditions
Effect of decreasing dietary crude protein in fattening calves on the emission of ammonia and greenhouse gases from manure stored under aerobic and anaerobic conditions Open
Dietary strategies can potentially help to reduce nitrogen (N) emissions and decrease the environmental impact of beef production. This study aimed to evaluate the effects of dietary crude protein (CP) concentration on animal performance, …
View article: PSXIII-10 Effects of nitrate concentration in drinking water on water and feed consumption, total tract digestibility and health implications in Holstein bulls fed high-concentrate diets
PSXIII-10 Effects of nitrate concentration in drinking water on water and feed consumption, total tract digestibility and health implications in Holstein bulls fed high-concentrate diets Open
The aim of this study was to evaluate the effect of nitrate concentration in drinking water on water and feed consumption, total tract apparent digestibility and its potential toxicity on animal health in fattening Holstein bulls. Twenty-f…
View article: Effects of Flavonoids Extracted from Citrus aurantium on Performance, Behavior, and Rumen Gene Expression in Holstein Bulls Fed with High-Concentrate Diets in Pellet Form
Effects of Flavonoids Extracted from Citrus aurantium on Performance, Behavior, and Rumen Gene Expression in Holstein Bulls Fed with High-Concentrate Diets in Pellet Form Open
Flavonoid supplementation may modify the behavior and rumen inflammatory response of fattening bulls, and this could be related to the concentrate presentation (mash or pellet) form. In the present study, 150 Holstein bulls (183.0 ± 7.53 k…
View article: Slow-Release Urea as a Sustainable Alternative to Soybean Meal in Ruminant Nutrition
Slow-Release Urea as a Sustainable Alternative to Soybean Meal in Ruminant Nutrition Open
Three experiments were conducted to evaluate the feasibility of using a commercial slow-release urea product (SRU; Optigen®, Alltech Inc., Nicholasville, KY, USA) as a partial replacement for vegetable protein sources in cattle diets. The …
View article: PSVI-5 Effects of exogenous glucoamylase enzymes or a combination with a neutral protease on total tract apparent digestibility and feces D-lactate in bulls fed a total mixed ration rich in rolled corn
PSVI-5 Effects of exogenous glucoamylase enzymes or a combination with a neutral protease on total tract apparent digestibility and feces D-lactate in bulls fed a total mixed ration rich in rolled corn Open
The aim of this study was to evaluate the effect of 2 glucoamylases (GA) and the combination of one GA with a neutral protease on total tract apparent digestibility in bulls fed a total mixed ration (TMR) rich in rolled corn. Sixteen Angus…