Differences in lean growth performance of pigs sampled from 1980 and 2005 commercial swine fed 1980 and 2005 representative feeding programs[swine abstracts]The objective of this study was to assess how changes in genetics and feeding programs over 25 years in the U.S. commercial swine industry have impacted lean growth performance. |
The metabolic status during the peri partum period affects the voluntary feed intake and the metabolism of the lactating multiparous sow[swine abstracts]This trial was undertaken to investigate the metabolic changes occurring around farrowing and to assess their relationships with feed intake and metabolism of the sow during lactation. |
Aggression in replacement grower and finisher gilts fed a short-term high-tryptophan diet and the effect of long-term human–animal interaction[swine abstracts]Provision of enhanced TRP diet reduced behavioural activity and aggressiveness of grower gilts, and these results are likely mediated by activation of brain serotonergic system. Short-term high-TRP dietary supplementation may be used to reduce aggression at mixing in young pigs. |
Quantification of porcine circovirus type 2 (PCV-2) within- and between-pen transmission in pigs[swine abstracts]PCV-2 transmission is influenced by contact structure that appears worth being taken into account in an epidemic model. |
Prevalence of porcine reproductive and respiratory syndrome virus and porcine circovirus type 2 in piglets after weaning on a commercial pig farm in Japan[swine abstracts]To investigate the transition in concentration of porcine reproductive and respiratory syndrome virus (PRRSV) and porcine circovirus type 2 (PCV2) and antibody for these viruses in serum, serum samples were collected from 29 pigs on weaning day and at 7, 14, 21, 28, 53, 84, and 120 days after weaning. |
Prevalence and patterns of antimicrobial resistance in Campylobacter spp isolated from pigs reared under antimicrobial-free and conventional production methods in eight states in the Midwestern United States[swine abstracts]Biochemical and multiplex-PCR analyses were used to identify Campylobacter spp. The minimal inhibitory concentrations of erythromycin, azithromycin, ciprofloxacin, nalidixic acid, gentamicin, and tetracycline for these organisms were determined |
Different feed withdrawal times before slaughter influence caecal fermentation and faecal Salmonella shedding in pigs[swine abstracts]The effects of different pre-slaughter feed withdrawal times (FWT) on the gastrointestinal tract (GIT) weight and the gut environment of pigs and Salmonella shedding were investigated. |
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