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View article: Optimizing diets for finishing pigs: balancing ideal protein to enhance growth performance and reduce environmental impacts
Optimizing diets for finishing pigs: balancing ideal protein to enhance growth performance and reduce environmental impacts Open
To investigate the performance of pigs offered diets with reduced crude protein (CP), but supplying ideal protein with different limiting amino acids (AAs), 280 pigs (PIC 337 × (Landrace × Large White)) were randomly allocated to 1 of 4 tr…
View article: Effect of Longer Pre-Starter Diet Allowance on Post-Weaning Performance of Lightweight Piglets
Effect of Longer Pre-Starter Diet Allowance on Post-Weaning Performance of Lightweight Piglets Open
First-phase diets are formulated to help pigs reach a target body weight before switching to a more affordable diet. However, these transitions typically take place on a fixed schedule, which may disadvantage low-body-weight piglets due to…
View article: 471 The use of infrared imaging of piglets to assess ocular surface temperature change before, during and after routine procedures
471 The use of infrared imaging of piglets to assess ocular surface temperature change before, during and after routine procedures Open
Procedures including teeth clipping (TEE), tail docking (TAI), and ear tagging (TAG) are conducted routinely in commercial pig production units during the first days of life in piglets. However, as these procedures are conducted without an…
View article: PSVII-27 Nasal surface temperature variation before, during and after routine interventions
PSVII-27 Nasal surface temperature variation before, during and after routine interventions Open
Routine practices such as teeth clipping (TEE), tail docking (TAI) and ear tagging (TAG) can be considered controversial due to the potential pain or stress they might cause. This study sought to evaluate how nasal surface temperature chan…
View article: 249 A nutritional solution based on calcidiol (25-OH-D3, HyD) and triterpenoid improves growth performance in grower-finisher pigs fed low Ca and P diets without compromising bone health
249 A nutritional solution based on calcidiol (25-OH-D3, HyD) and triterpenoid improves growth performance in grower-finisher pigs fed low Ca and P diets without compromising bone health Open
Nutritional strategies to realize the genetic potential of modern pigs without compromising welfare while reducing environmental impact are critical for success in the swine industry today. By harnessing the potential of 25-OH-D3, it is po…
View article: A sustainable nutritional solution for fattening pigs based on 25-hydroxycholecalciferol and triterpenoids added to a low Ca diet containing phytase improves growth performance via the activation of muscle protein synthesis without compromising bone mineralization
A sustainable nutritional solution for fattening pigs based on 25-hydroxycholecalciferol and triterpenoids added to a low Ca diet containing phytase improves growth performance via the activation of muscle protein synthesis without compromising bone mineralization Open
In the current climate of sustainable animal agriculture, nutritional strategies that support fattening swine growth performance and bone mineralization whilst reducing environmental impacts are much sought after. This study evaluated the …
View article: Predicting Chemical Composition and Apparent Total Tract Digestibility on Freeze-Dried Not Ground Faeces Using Near-Infrared Spectroscopy in Pigs
Predicting Chemical Composition and Apparent Total Tract Digestibility on Freeze-Dried Not Ground Faeces Using Near-Infrared Spectroscopy in Pigs Open
The present study aimed to compare NIRS results using freeze-dried ground or not ground (FDG or FDNG) faeces to predict faecal chemical composition and apparent total tract digestibility (ATTD) coefficients. Two different batches of pigs w…
View article: Assessment of Pain and Inflammation in Domestic Animals Using Infrared Thermography: A Narrative Review
Assessment of Pain and Inflammation in Domestic Animals Using Infrared Thermography: A Narrative Review Open
Pain assessment in domestic animals has gained importance in recent years due to the recognition of the physiological, behavioral, and endocrine consequences of acute pain on animal production, welfare, and animal model validity. Current a…
View article: Vitality in Newborn Farm Animals: Adverse Factors, Physiological Responses, Pharmacological Therapies, and Physical Methods to Increase Neonate Vigor
Vitality in Newborn Farm Animals: Adverse Factors, Physiological Responses, Pharmacological Therapies, and Physical Methods to Increase Neonate Vigor Open
Vitality is the vigor newborn animals exhibit during the first hours of life. It can be assessed by a numerical score, in which variables, such as heart rate, respiratory rate, mucous membranes’ coloration, time the offspring took to stand…
View article: Toward the automated detection of behavioral changes associated with the post-weaning transition in pigs
Toward the automated detection of behavioral changes associated with the post-weaning transition in pigs Open
We modified an automated method capable of quantifying behaviors which we then applied to the changes associated with the post-weaning transition in pigs. The method is data-driven and depends solely on video-captured image data without re…
View article: Video Analysis Using Deep Learning for Automated Quantification of Ear Biting in Pigs
Video Analysis Using Deep Learning for Automated Quantification of Ear Biting in Pigs Open
Ear biting is a welfare challenge in commercial pig farming. Pigs sustain injuries at the bite site paving the way for bacterial infections. Early detection and management of this behavior are important to enhance animal health and welfare…
View article: The Environmental Impact of Lowering Dietary Crude Protein in Finishing Pig Diets—The Effect on Ammonia, Odour and Slurry Production
The Environmental Impact of Lowering Dietary Crude Protein in Finishing Pig Diets—The Effect on Ammonia, Odour and Slurry Production Open
Excess nitrogen excretion, ammonia and odour are environmental pollutants associated with pig production. Reducing dietary crude protein (CP) will lower the amount of nitrogen excreted, reducing the potential for ammonia emissions, if diet…
View article: Strategies for Hypothermia Compensation in Altricial and Precocial Newborn Mammals and Their Monitoring by Infrared Thermography
Strategies for Hypothermia Compensation in Altricial and Precocial Newborn Mammals and Their Monitoring by Infrared Thermography Open
Thermoregulation in newborn mammals is an essential species-specific mechanism of the nervous system that contributes to their survival during the first hours and days of their life. When exposed to cold weather, which is a risk factor ass…
View article: Blood and Faecal Biomarkers to Assess Dietary Energy, Protein and Amino acid Efficiency of Utilization by Growing and Finishing Pigs
Blood and Faecal Biomarkers to Assess Dietary Energy, Protein and Amino acid Efficiency of Utilization by Growing and Finishing Pigs Open
Background This study aimed to use the blood serum metabolite (BSM) and faecal volatile fatty acid (VFA) profiles to identify changes in protein, amino acid and energy dietary content in growing and finishing pigs. Results Two studies were…
View article: Effect of Phase Feeding, Space Allowance and Mixing on Productive Performance of Grower-Finisher Pigs
Effect of Phase Feeding, Space Allowance and Mixing on Productive Performance of Grower-Finisher Pigs Open
This study investigates the effects of space allowance (SA), mixing and phase feeding (PF) on performance of grower-finisher pigs. Three trials (T) were conducted. In T1 and T2, 345 pigs/trial were moved to finisher stage at 11 weeks of ag…
View article: Pathophysiology of Perinatal Asphyxia in Humans and Animal Models
Pathophysiology of Perinatal Asphyxia in Humans and Animal Models Open
Perinatal asphyxia is caused by lack of oxygen delivery (hypoxia) to end organs due to an hypoxemic or ischemic insult occurring in temporal proximity to labor (peripartum) or delivery (intrapartum). Hypoxic–ischemic encephalopathy is the …
View article: Allonursing in Wild and Farm Animals: Biological and Physiological Foundations and Explanatory Hypotheses
Allonursing in Wild and Farm Animals: Biological and Physiological Foundations and Explanatory Hypotheses Open
The dams of gregarious animals must develop a close bond with their newborns to provide them with maternal care, including protection against predators, immunological transference, and nutrition. Even though lactation demands high energy e…
View article: Parturition in Mammals: Animal Models, Pain and Distress
Parturition in Mammals: Animal Models, Pain and Distress Open
Parturition is a complex physiological process and involves many hormonal, morphological, physiological, and behavioural changes. Labour is a crucial moment for numerous species and is usually the most painful experience in females. Contra…
View article: Blood Serum Metabolite and Volatile Fatty Acid Profiles of Finishing Pigs Fed Diets with High and Low Levels of Energy and Crude Protein
Blood Serum Metabolite and Volatile Fatty Acid Profiles of Finishing Pigs Fed Diets with High and Low Levels of Energy and Crude Protein Open
Background: Studying how dietary imbalances affect blood serum metabolite (BSM) and faecal volatile fatty acids (VFA) profiles may help to understand whether pigs are fed adequate diets in commercial farms. The present study aimed to evalu…
View article: High levels of standardized ileal digestible amino acids improve feed efficiency in slow‐growing pigs at late grower‐finisher stage
High levels of standardized ileal digestible amino acids improve feed efficiency in slow‐growing pigs at late grower‐finisher stage Open
Slow‐growing pigs negatively affect production efficiency in conventional pig farms by increasing the occupation time of the facilities and being a limiting factor for the All‐In/All‐Out swine production systems. This subset of pigs is usu…
View article: 245 Effect of space allowance, mixing and phase feeding on productive performance and body lesions of grow-finisher pigs in pens with a single wet-dry feeder
245 Effect of space allowance, mixing and phase feeding on productive performance and body lesions of grow-finisher pigs in pens with a single wet-dry feeder Open
The study aimed to quantify the effect of space allowance (SA), mixing and phase feeding on productive performance and body lesions (BL) as a proxy for aggression in single wet-dry feeder pens during the grow-finisher stage. Pigs were move…
View article: Effect of Space Allowance and Mixing on Growth Performance and Body Lesions of Grower-finisher Pigs in Pens With a Single Wet-dry Feeder
Effect of Space Allowance and Mixing on Growth Performance and Body Lesions of Grower-finisher Pigs in Pens With a Single Wet-dry Feeder Open
Background: Low space allowance (SA) and mixing may result in reduced growth performance (GP) and animal welfare issues because of adverse social behaviours directed to pen mates. This could be exacerbated in pens with single space feeders…
View article: Impact of feeding low and average birthweight pigs on a weight basis post-weaning on growth performance and body composition
Impact of feeding low and average birthweight pigs on a weight basis post-weaning on growth performance and body composition Open
This study aimed to investigate the effectiveness of employing a targeted nutritional regime until slaughter to maintain performance in animals recording high weaning weights. Low birthweight (Low BW; 0.05). Feeding regime did not affect a…
View article: Predicting Productive Performance in Grow-Finisher Pigs Using Birth and Weaning Body Weight
Predicting Productive Performance in Grow-Finisher Pigs Using Birth and Weaning Body Weight Open
This study aimed to (1) investigate the effect of birth and weaning body weight (BW) on performance indicators of grow-finisher pigs and (2) estimate birth and weaning BW cut-off values in order to identify slow growing pigs (SGP). Pigs (n…
View article: Extended nursing and/or increased starter diet allowances for low weaning weight pigs
Extended nursing and/or increased starter diet allowances for low weaning weight pigs Open
Objective: To evaluate the use of nurse sows and post-weaning nutrition strategies for low wean weight (WW) pigs on lifetime growth and efficiency.Methods: Animals (n = 270) were assigned to one of five treatments at 28 d. Low WW pigs (<6 …
View article: A Review of the Effects of Non-Straw Enrichment on Tail Biting in Pigs
A Review of the Effects of Non-Straw Enrichment on Tail Biting in Pigs Open
Tail biting remains a common problem in pig production. As producers are reluctant to use straw to reduce this behaviour, we review studies on the effectiveness of other types of enrichment. Roughage, hessian sacks, compost, fresh wood, sp…