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In each of two trials, 160 commercial pullets were separated into four treatments with four replicates of 10 chickens in each treatment. Forty pullets were designated as controls and received no inoculation; 40 pullets received F strain Mycoplasma gallisepticum (FMG); an additional 40 pullets received Mycoplasma synoviae (MS); and the final 40 pullets were(More)
Two trials were conducted to determine if individual housing or improved sanitation would enable hens to clear Mycoplasma gallisepticum (MG) infection. In each of the two trials, 40 commercial leghorn hens were infected with F strain MG (F-MG) and confined in biological isolation units in two groups: 1) hens housed individually in each of eight isolation(More)
A culture of F strain Mycoplasma gallisepticum (F-MG) that exhibited an epitope identified by monoclonal antibody (MAb) 6F10 was used to inoculate leghorn hens in two different trials. In Trial 1, mature hens chronically infected with F-MG were swabbed at intervals from 230 to 345 days postinoculation (PI). The F-MG isolates were tested with an agar plate(More)
Let p(z) = (z − z 1)(z − z 2) · · · (z − z n) be a polynomial whose zeros z k all lie in the closed unit disk |z| ≤ 1. It is known that there exists δ n > 0 such that if a zero z j satisfies |z j | ≤ δ n , then the disk |z − z j | ≤ 1 contains a critical point of p(z). The Sendov Conjecture asserts that δ n = 1 for all n > 2. We improve the known values of(More)
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