One population in Southern France (FraMC) was sampled twice with eight years between the samplings.
Approximately 11% of the cows sampled twice had S. aureus IMI at both samplings.
Approximately 11% of the cows sampled twice had the same IMI (mostly Staphylococcus aureus) at both samplings.
Earthworms were sampled twice per year using a combination of mustard extraction and handsorting.
During 2006 and 2007, parasitoids were sampled twice a month June August using yellow sticky cards.
Each site type was sampled twice in 2013, once during the reproductive period and once during the migratory period.
In a second experiment, 100 ewes were sampled twice at night simultaneously from the two jugular veins.
Six ponds in Storflaket and nine ponds in Stordalen were sampled twice a week from the end of June until ice cover in early October.
Milk production and DM intake were recorded daily and milk was sampled twice daily on d 5, 9, 10, 11, and 12 in each period.
This paper evaluates two parameters, degradability (BO) and apparent first order hydrolysis rate coefficient (khyd) from 5 different sites (one sampled twice), and six different pig growth stages.
Canisters for the SF6 method were sampled twice daily before milking with 4 local background gas canisters inside the barn analyzed for background gas concentrations.
