This study was conducted to examine the effects of thyme extract and probiotic on biological growth promoters. Therefore blood thyroid hormones (T3 and T4) concentration and growth hormone (GH) gene expression were measured. 108 one-day-old Ross male broiler were randomly allocated in 3 experimental treatments including: controlunsupplemented (CTRL), birds supplemented with Zataria multiflora e...

Background: The application of phytogenic additives in the form of essential oils have attracted considerable attention in poultry industry. OBJECTIVES: An experiment was conducted to evaluate effects of the blends of essential oils (EO) isolated from some medicinal plants including savory, thyme, fennel and rosemary on performance, blood metabolites, intestinal microflora, and meat quality of...

Chicken Farmers of Canada has been progressively phasing out prophylactic use antibiotics in broiler chicken production. Consequently, hatcheries, veterinarians, and nutritionists have mandated to contend with less reliance on the preventive antibiotics. A topical concern is increased risk proliferation enteric pathogens leading poor performance, mortality, compromised welfare. Moreover, gut ha...

Heterocyclic amines (HAs) occur at the ppb range in foods. Most of them demonstrate potent mutagenicity in bacteria mutagenicity test, and some of them have been classified by the International Agency for Research on Cancer as probable/possible human carcinogens. Their capability of formation even during ordinary cooking practices implies frequent exposure by the general public. Over the past 3...

The present study aimed to investigate the effects of a commercial phytogenic feed additive (PFA) on prevention post-weaning diarrhea and oxidative stress in piglets. concentrations thiobarbituric acid reactive substances (TBARS) protein carbonyls (CARBS) were investigated as biomarkers for damage, health performance parameters weaned In total, 100 piglets divided into two groups: control group...

This is the second in a series of peer-reviewed practice tip articles, each including two or three fact sheets on feed additives for swine. The previous practice tip, published in the September-October issue of the Journal of Swine Health and Production, included fact sheets on acidifi ers and antibiotics (J Swine Health Prod. Future fact-sheet topics will include fl avors; high dietary levels ...

We conducted this 10-wk experiment to evaluate the effects of dietary phytoncide, Korean pine extract as phytogenic feed additive (PFA), on growth performance, blood characteristics, and meat quality in finishing pigs. A total of 160 pigs ([Landrace×Yorkshire]×Duroc, body weight (BW) = 58.2±1.0 kg) were randomly allocated into 1 of 4 treatments according to their BW and sex, 10 replicate pens p...