Multiple options to consider when breeding heifers. One of your greatest assets should be your heifer population. Raising quality heifers starts with proper sire selection, good dry cow and late-gestation...
In 1989, a major breakthrough in sperm sexing was reported by USDA scientists in rabbits. Insemination of rabbit does with Y-chromosome-bearing sperm resulted in 81 percent males, whereas insemination...
One of the most valuable resources on any dairy is the replacement heifer. As a group, they represent the most fertile population of females on the farm. In addition, if your sire selection has been wise,...
"Negative 500 and positive 500 average out to 0. Genomics enables you to look for the inferior calves that can pull your average down and move your progress backward," noted Pat Hoffman, a dairy replacement...
Higher culling rates have appeared to stem the robust buildup of dairy replacements by trimming inventories 41,000 head in January compared to last year's 4.57 million heifers. While that is welcomed news,...
Heifers are not only the most fertile group of females on your dairy, they generally represent the best genetics. Despite these positive attributes, too many dairies don't take full advantage...
Struggling with how big heifers should be by A. F. Kertz The author is in Dairy Field Technical Services and Research, Milk Specialties Global Animal Nutrition, St. Louis, Mo. Targeted heifer growth has...
Limit feeding heifers . . . What we've learned and what we recommend. After six years of limit-feeding research at Penn State, the system seems to get better with each study. BY GEOFF ZANTON AND JUD HEINRICHS...