Sentence examples for 2 herds from inspiring English sources
During the 18 wk of the trial, quarter milk samples were collected every 2 wk from 385 dairy cows from 2 herds.
Comparison was made between nonlame, slightly lame, and moderately lame cows on either rubber-crumb-filled mattress stall surfaces bedded with a small amount of sawdust (2 herds) or a Pack Mat design, which consisted of a rubber-crumb-filled mattress pad installed 5 cm below a raised rear curb, bedded with 5 to 8 cm of sand bedding (2 herds).
As shown in Figure 2, herds travelled the longest ways (13.8 ± 2.8 km d−1) during the RS, with transhumant cattle covering the furthest distances.
Six-hundred and thirty-nine cows (134 primiparous and 505 multiparous) calving between July 4 and September 5, 2012, in 2 herds (herd 1: n = 228; herd 2: n = 411) were enrolled.
At least one Salmonella fecal-shedding cow was found in 9 of the 16 herds (56%) and the within-herd prevalence varied in our study from 0% in 7 herds to a maximum of 37% in 2 herds, with a mean prevalence among Salmonella-positive herds of 17%.
Therefore, these 2 herds should be kept under surveillance.
Figure 2 Herding territories and herd mobility.
2) Herd-wise pooled neck skin samples.
Only 2 herd owners practised Interface herd grazing system (IFH).
But 18 herds became infected after the start of the cull.
