Rovers will be will without seven players through injury against Doncaster this weekend, and two because of Covid-related absences, while the club wait on results from this week’s testing.

Lewis Holtby faces another week out with hamstring injury and is the latest name to add to the injury list.

Right back Ryan Nyambe is self-isolating, while he also came off with a sore hamstring in the defeat at Huddersfield Town on December 29, and Mowbray says more on that injury will be known when the 22-year-old returns to training next week.

Rovers have been training at Ewood in recent days with the pitches at Brockhall frozen, with Mowbray confirming that Bradley Dack and Lewis Travis will both start and look to come through an hour against the League One side.

Holtby missed the win over Birmingham City, despite having come off the bench early in the defeat at Huddersfield Town four days earlier. There he replaced Tom Trybull, who went off injured, but did make the squad at St Andrew’s where Rovers were handed a boost in midfield with news that Lewis Travis was available once again.

Holtby has featured in 18 of Rovers’ 23 Championship matches so far this season, and scored in the Carabao Cup win over Doncaster in August, but hasn’t played the full 90 minutes since the end of November having suffered a dip in form.

Rovers will hope to have the 30-year-old back in action for the visit of Stoke City in the Championship on January 16.

“We have seven what I would call first-team injuries, two Covid absences, so there’s nine unavailable,” Mowbray said.

“We’re waiting on the test results, so if there’s more than nine unavailable you’ll know we’ll have had some positives.

“Holtby has a hamstring strain that is probably going to be a week or 10 days.

“It’s very difficult to get them back on the grass, we’re using the pitches at Ewood and they can get out running after our sessions to get them going a little bit.

“He won’t be available this weekend, but I’d hope he’d have a chance for next weekend. That’s not a guarantee but let’s wait and see.

“Until Ryan comes back to the training ground I’m not sure. He won’t have been able to do much running on it, but we’ll assess him.

“Monday he’s coming back in and we’ll assess him. At the moment he’s unavailable, he’s not around the football club but will be on Monday.”