The flies bred happily on dead cows and in sheep which unfortunately were still alive.
Final approval of the drug is expected next year after the agency finishes evaluating the drug's effect on cows.
I don't know why farmers insist on keeping cows, when they have all those pheasants and deer running around.
All the ladies ride down to the Falls on cows.
Could artificial growth hormones that had been widely used on cows since 1993 be speeding development in children?
Canada has not approved use of the hormone because of its harmful effects on cows.
At that time it was a country inn on the outskirts and cows grazed in the fields outside.
His research involved studying the effects of sleep deprivation on cows (particularly young calves).
It has been found to put weight on cows.
On cows, the judge usually cannot check their teeth without using a head bail, as cattle are sensitive around the mouth area.