The use of creep feeding for preweaning piglets is important to improve the performance of the piglets. The objective of this experiment was evaluate the effect of using or altering the position of piglet's creep feeder during lactation on piglet's performance and on behavior of piglets and sows kept in a hot climate environment. Forty-five sows and their litters at 10 days of lactation were randomly distributed into three treatments: front feeder (FF) - near the side of the sow's head; back feeder (BF) - near the side of the rump of the sow; and no feeder (NF). All piglets were weighed individually to evaluate the average weight, weight gain and coefficient of variation of the weight. Behavior assessments of the piglets and sows were recorded in 3 period. At 15 and 21 d, piglets of the FF treatment were heavier (P ≤ 0.0001) than piglets of the other treatments. At 10-21d piglets of FF treatment had 76.2% less belly nosing behavior than the NF piglets (P=0.015). The treatments had no impact on behavior of the sows. The creep feeders positioned in the front of the farrowing crate increased piglet growth rate and decreased frequency of belly nosing behavior.
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http://dx.doi.org/10.1590/0001-3765202120200248 | DOI Listing |
Animals (Basel)
January 2025
Departamento de Producción Animal, Facultad de Veterinaria, Universidad Complutense, Avda. Puerta de Hierro s/n, 28040 Madrid, Spain.
Fifty-eight litters (16 from primiparous gilts and 42 from multiparous sows) were used, with a total number of 750 piglets involved in the study. Birth weight was stratified into three groups: low (<1.02 kg; LBW), normal (1.
View Article and Find Full Text PDFAnimals (Basel)
January 2025
Swine Viral Evolution and Vaccine Development Research Unit, Department of Veterinary Microbiology, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand.
Porcine epidemic diarrhea (PED) is caused by the PED virus, with (), comprising and , being the primary contributors to outbreaks worldwide. In Thailand, was the only virulent strain identified until the emergence of the first strain in 2014, followed by additional strains in 2015-2016, particularly those closely related to virulent strains from China. This led to increased awareness of more frequent and complex outbreaks.
View Article and Find Full Text PDFAm J Physiol Gastrointest Liver Physiol
January 2025
Division of Animal Sciences, University of Missouri, Columbia, Missouri, USA.
Gastrointestinal immunity and antioxidant defenses may be bolstered in young animals through prenatal immune system stimulation (PIS), but this is largely uninvestigated in swine. This study tested the hypothesis that PIS could regulate offspring's gastrointestinal immune response and oxidative stress profile. To this end, a PIS model was utilized in sows, delivering low-dose LPS during the final third of gestation to target the developing immune system.
View Article and Find Full Text PDFVet Sci
January 2025
Key Laboratory of Animal Disease-Resistance Nutrition and Feed Science, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu 611130, China.
This study aimed to investigate the effects of maternal glycerol monolaurate complex (GML) and antibiotic (acetylisovaleryltylosin tartrate, ATLL) supplementation during late gestation and lactation on the reproductive performance of sows and the growth performance of piglets. In total, 64 pregnant sows were randomly divided into control, antibiotic, 0.1% GML, and 0.
View Article and Find Full Text PDFJ Anim Sci Biotechnol
January 2025
Department of Animal Sciences, University of Illinois, Urbana, IL, 61801, USA.
Background: Feeding spray dried plasma (SDP) to weanling pigs improves growth, but there is a lack of research on how SDP impacts oxidative stress and inflammatory response in lactating sows, and performance of their piglets after weaning. Therefore, an experiment was conducted to test the hypothesis that sows fed a diet with SDP in late gestation and lactation have improved reproductive performance and reduced inflammation compared with sows fed no SDP. The second hypothesis was that pigs weaned from sows fed 0.
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