Luciano Hauschild
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View article: Effects of precision feeding and functional amino acid supplementation on <i>Salmonella</i> -challenged growing pigs under poor housing conditions
Effects of precision feeding and functional amino acid supplementation on <i>Salmonella</i> -challenged growing pigs under poor housing conditions Open
Immune system activation impairs pigs’ growth and increases population variability. Individual precision feeding (IPF) takes into account the variability between pigs and improves the efficiency of nutrient utilization. Additionally, funct…
View article: Effects of a Dietary Blend of Essential Oils, Capsaicin, and Yeast Metabolites on Performance, Physiological, Metabolism, and Immune Response of Heat-Stressed Pigs
Effects of a Dietary Blend of Essential Oils, Capsaicin, and Yeast Metabolites on Performance, Physiological, Metabolism, and Immune Response of Heat-Stressed Pigs Open
This study investigated the effects of a dietary additive composed of compounds derived from essential oils (carvacrol, eugenol, cinnamaldehyde), capsaicin, and yeast metabolites on the performance, body composition, metabolism, and immune…
View article: PSXIII-3 Effects of supplementing threonine above the nutritional requirements in diets with soybean hulls on growth performance and digesta transit of growing pigs.
PSXIII-3 Effects of supplementing threonine above the nutritional requirements in diets with soybean hulls on growth performance and digesta transit of growing pigs. Open
Soybean hulls (SBH) are a low-cost, abundantly available fiber-rich coproduct used in pig diets to reduce feed costs and environmental footprints, thus contributing to more sustainable swine production. However, fiber-rich diets can increa…
View article: 40 Phosphorus digestibility in short-season corn and roasted full-fat soybean fed to growing pigs without or with exogenous enzymes.
40 Phosphorus digestibility in short-season corn and roasted full-fat soybean fed to growing pigs without or with exogenous enzymes. Open
The aim was to determine the apparent total tract digestibility (ATTD) and standardized total tract digestibility (STTD) of phosphorus (P) in short-season corn (SSC) and roasted full-fat soybean (RFFS) fed to growing pigs with or without p…
View article: Combined Infrared Thermography and Agitated Behavior in Sows Improve Estrus Detection When Applied to Supervised Machine Learning Algorithms
Combined Infrared Thermography and Agitated Behavior in Sows Improve Estrus Detection When Applied to Supervised Machine Learning Algorithms Open
The identification of estrus at the right moment allows for a higher success of fecundity with artificial insemination. Evaluating changes in body surface temperature of sows during the estrus period using an infrared thermography camera (…
View article: Dietary Supplementation of Methionine, Tryptophan, and Threonine for Pigs Under Sanitary Challenges: Current Knowledge and Future Directions
Dietary Supplementation of Methionine, Tryptophan, and Threonine for Pigs Under Sanitary Challenges: Current Knowledge and Future Directions Open
Sanitary challenges (SCs) may alter the health status, growth performance, and pigs’ welfare. Changes in amino acid (AA) plasma concentrations have been observed in inflammatory-challenged pigs which may be associated with key factors, suc…
View article: Temporal changes in fecal swine microbiome primarily reflect Salmonella Typhimurium challenge and poor sanitary housing conditions, even with functional amino acid supplementation
Temporal changes in fecal swine microbiome primarily reflect Salmonella Typhimurium challenge and poor sanitary housing conditions, even with functional amino acid supplementation Open
Nutrition has a significant impact on the gastrointestinal (GI) microbiome, which can influence pig metabolism, nutrient absorption, biomolecule synthesis, and bioavailability (including bile acids and short-chain fatty acids), as well as …
View article: Fecal microbiome of pigs fed diets differing in protein and amino acid content raised in thermoneutral or cyclical heat stress conditions
Fecal microbiome of pigs fed diets differing in protein and amino acid content raised in thermoneutral or cyclical heat stress conditions Open
The pig microbiome composition is affected by factors such as dietary changes, genetics, and diseases. Recent evidence suggests that housing temperature may also contribute to the variability in community structure and composition. Therefo…
View article: 90 Plasma amino acid response to fasting as a stress model for growing pigs in individual precision feeding or group phase feeding
90 Plasma amino acid response to fasting as a stress model for growing pigs in individual precision feeding or group phase feeding Open
Out-of-feed events are stressful for animals and can disrupt metabolism and welfare. This study simulates controlled feeding and fasting intervals to model pigs’ physiological responses to stressors such as feed deprivation and refeeding. …
View article: Variability in Distillers’ Co-Product Compositions and Their Nutritional Availability for Pigs: Insights from a Systematic Literature Review
Variability in Distillers’ Co-Product Compositions and Their Nutritional Availability for Pigs: Insights from a Systematic Literature Review Open
This study aimed to examine the nutritional diversity of distillers’ co-products in pigs. Two distinct databases were used in this study. The first was compiled through a systematic review of previous scientific publications that have eval…
View article: A Simplified Daily Fit Model to Reduce Costs and Nutrient Intake in Growing-Finishing Pigs
A Simplified Daily Fit Model to Reduce Costs and Nutrient Intake in Growing-Finishing Pigs Open
Precision feeding is an excellent alternative to conventional phase feeding systems for growing-finishing pigs, especially with increasing feeding costs and environmental sustainability concerns. However, precision feeding strategies somet…
View article: PSV-16 Effect of precision feeding and functional amino acids on immune response and protein metabolism of growing pigs raised in poor sanitary conditions
PSV-16 Effect of precision feeding and functional amino acids on immune response and protein metabolism of growing pigs raised in poor sanitary conditions Open
The activation of the immune system reduces the nutrient availability for growth and increases the variability among pigs. Functional amino acids (AA) supplementation can reduce the negative effects of immune activation. Additionally, prov…
View article: PSVI-7 A traceable signature for a recovery microbiome composition after a dysbiosis caused by a sanitary challenge in pigs
PSVI-7 A traceable signature for a recovery microbiome composition after a dysbiosis caused by a sanitary challenge in pigs Open
Recent insights continue to point to a causal role of the gastrointestinal (GI) microbiome in digestion, nutrient absorption, and host metabolism. The GI microbiome may be a frequent target of perturbation since some challenges (i.e., high…
View article: PSII-19 Fecal microbiota composition of weaned piglets under mixed management and poor housing conditions fed diets increased in threonine, methionine and tryptophan
PSII-19 Fecal microbiota composition of weaned piglets under mixed management and poor housing conditions fed diets increased in threonine, methionine and tryptophan Open
This study evaluated the effects of increased dietary Thr, Met and Trp supplementation on fecal microbiota composition of weaned piglets raised under contrasting sanitary conditions [(GOOD SC) or under mixed management and poor housing con…
View article: PSII-20 Feeding behavior of pigs fed dietary amino acid levels adjusted according to the circadian rhythm
PSII-20 Feeding behavior of pigs fed dietary amino acid levels adjusted according to the circadian rhythm Open
Pigs are diurnal animals that present feed intake during daylight hours, with feeding peaks in the early morning and late afternoon. However, it is possible that the concentration of amino acids (AA) in the diet throughout the day changes …
View article: Increased Dietary Trp, Thr, and Met Supplementation Improves Performance, Health, and Protein Metabolism of Weaned Piglets under Mixed Management and Poor Housing Conditions
Increased Dietary Trp, Thr, and Met Supplementation Improves Performance, Health, and Protein Metabolism of Weaned Piglets under Mixed Management and Poor Housing Conditions Open
A sanitary challenge was carried out to induce suboptimal herd health while investigating the effect of amino acids supplementation on piglet responses. Weaned piglets of high sanitary status (6.33 ± 0.91 kg of BW) were distributed in a 2 …
View article: Size matters: lower body weight pigs have a different response to immune challenge and amino acids supplementation above the estimated requirement compared to heavy pigs
Size matters: lower body weight pigs have a different response to immune challenge and amino acids supplementation above the estimated requirement compared to heavy pigs Open
The immune response varies between pigs, as not all pigs have the same response to a stressor. This variation may exist between individuals due to body weight (BW) or body composition, which may impact the capacity for coping with an immun…
View article: Dietary Supplementation with Functional Amino Acids Improves the Capacity of Growing Pigs to Cope with a Health Challenge
Dietary Supplementation with Functional Amino Acids Improves the Capacity of Growing Pigs to Cope with a Health Challenge Open
View article: A Systematic Review and Meta-Analysis on Threonine Requirements in Growing Pigs
A Systematic Review and Meta-Analysis on Threonine Requirements in Growing Pigs Open
View article: 263 Dietary Supplementation of Tryptophan, Threonine, and Methionine Improves the Growth and Immune Status for Lighter Body Weight Pigs But Not for Heavier Pigs Under a Sanitary Challenge
263 Dietary Supplementation of Tryptophan, Threonine, and Methionine Improves the Growth and Immune Status for Lighter Body Weight Pigs But Not for Heavier Pigs Under a Sanitary Challenge Open
Great variability in growth performance and blood metabolites is observed between animals and within the same group. This variation may exist between individuals due to the initial body weight (BW) which may determine different abilities t…
View article: PSXI-22 Different Initial Body Weight and Dietary Supplementation of Tryptophan, Threonine, and Methionine on Feeding Behavior Index of Growing Pigs Under a Sanitary Challenge
PSXI-22 Different Initial Body Weight and Dietary Supplementation of Tryptophan, Threonine, and Methionine on Feeding Behavior Index of Growing Pigs Under a Sanitary Challenge Open
Sanitary challenges (SC) can affect growth and revenue of pig production. The reduction in growth performance result from a decrease in daily feed intake (DFI). Besides, feeding behavior patterns may be also affected for pigs under SC. The…
View article: 221 Increasing Functional Amino Acid Ratios Does Not Improve Growth Performance in Pigs Raised Under Poor Sanitary Conditions When Fed with Individual Precision Feeding Or Conventional Feeding Systems
221 Increasing Functional Amino Acid Ratios Does Not Improve Growth Performance in Pigs Raised Under Poor Sanitary Conditions When Fed with Individual Precision Feeding Or Conventional Feeding Systems Open
Immune system activation redirects dietary nutrients to defense mechanisms, thereby impairing growth performance of pigs. Supplementing pigs with functional amino acids (AA) such as Met, Thr and Trp was shown to support the immune system a…
View article: PSI-14 Enteric Challenge Increases Amino Acids and Energetic Costs in Growing Pigs
PSI-14 Enteric Challenge Increases Amino Acids and Energetic Costs in Growing Pigs Open
Supplementing tryptophan (Trp), threonine (Thr), and methionine (Met) above the requirements might support immune system energetic and protein costs during a sanitary challenge. This study aimed to evaluate the correlation between protein …
View article: Evaluation of a mechanistic model that estimates feed intake, growth and body composition, nutrient requirements, and optimum economic response of broilers
Evaluation of a mechanistic model that estimates feed intake, growth and body composition, nutrient requirements, and optimum economic response of broilers Open
Efficient meat production is crucial in addressing global market demands and sustainability goals. Modeling production systems has gained worldwide attention, offering valuable insights for predicting outcomes and optimizing economic retur…
View article: A first model of the fate of dietary calcium and phosphorus in broiler chickens
A first model of the fate of dietary calcium and phosphorus in broiler chickens Open
To reduce P excretion and increase the sustainability of poultry farms, one needs to understand the mechanisms surrounding P metabolism and its close link with Ca metabolism to precisely predict the fate of dietary P and Ca and related req…
View article: Feeding Behavior of Finishing Pigs under Diurnal Cyclic Heat Stress
Feeding Behavior of Finishing Pigs under Diurnal Cyclic Heat Stress Open
The impact of cyclic heat stress (CHS) and turning the lights on and off on pig feeding behavior (FB) was investigated. The FB of 90 gilts was recorded in real-time under two ambient temperatures (AT): thermoneutrality (TN, 22 °C) or CHS (…
View article: A Simple Assay to Assess Salmonella Typhimurium Impact on Performance and Immune Status of Growing Pigs after Different Inoculation Doses
A Simple Assay to Assess Salmonella Typhimurium Impact on Performance and Immune Status of Growing Pigs after Different Inoculation Doses Open
Salmonella Typhimurium is the most frequent serovar in pigs and causes infections in humans. However, the dosage used for experimentation is not well defined. The present study aimed to evaluate a dosage for oral inoculation with Salmonell…
View article: A blend of functional amino acids and grape polyphenols improves the pig capacity to cope with an inflammatory challenge caused by poor hygiene of housing conditions
A blend of functional amino acids and grape polyphenols improves the pig capacity to cope with an inflammatory challenge caused by poor hygiene of housing conditions Open
View article: Feeding Behavior of Finishing Pigs under Diurnal Cyclic Variation in Ambient Temperature
Feeding Behavior of Finishing Pigs under Diurnal Cyclic Variation in Ambient Temperature Open
The impact of cyclic heat stress (CHS) and lighting events on pig feeding behavior (FB) was investigated. The FB of 90 gilts was recorded in real time under two ambient temperatures (AT): thermoneutrality (TN, 22 °C) or CHS (22°/35…
View article: t_test_barn_poor_microbiome.Rmd
t_test_barn_poor_microbiome.Rmd Open
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