Passive immunity, determined by the quantity of serum gamma immunoglobulins (IgG) absorbed via intestinal enterocytes by 24 hours after birth, is commonly considered the most important factor ...

Last spring I wrote an article entitled “At What Weight should I sell my Feeder Calves” that bought forth many questions on the value of each additional pound of gain. This article will serve as a ...

Cold temperatures have the greatest potential to cause serious problems in young calves, particularly calves in the first day of life. Because calves are born wet, have thin skin and very little body ...

“In fact, the bacterium that causes the disease, Clostridium perfringens, is ever-present in the environment and the digestive tract of calves. The bacteria, C. perfringens Type C in nursing-age ...

So, using SC to evaluate a bull’s serving capacity also influences the age at puberty for the heifer calves he sires. Selecting for larger SC bulls and continuing to keep heifers that breed early has ...

During the winter it’s common to have a tougher time keeping calves active, which is necessary for them to maintain body heat. While some farms have heated calf barns, others don’t. If you’re having a ...

Analgesia for dehorning calves has been a somewhat controversial subject since I can remember. We learned in vet school about lidocaine infiltration with needles including nerve blocks and/or whether ...

A clinical trial is defined by NIH as a research study in which one or more human subjects are prospectively assigned to one or more interventions (which may include placebo or other control) to ...

As the calf grows older, it loses its ability to absorb colostral antibodies by the hour. Colostrum given to calves 24-36 hours old is practically useless; antibodies are seldom absorbed this late in ...