Ranchers cut herd size to survive drought California's worst drought in decades is forcing the state's cattle ranchers to downsize their herds because two years of poor rainfall has ravaged millions of acres of rangeland used to feed their cows and calves. The parched, yellow pastures on Joe Gonzales' cattle ranch attest to the severity of a dry spell that is devastating the economic fortunes of many of the state's beef producers. Gonzales, who normally runs 500 cows on his 2,000-acre spread about 30 miles south of San Jose, cut his herd by half over the past year and may have to sell more if the drought persists. "When there's no rain, there's no grass," said Gonzales, 65. "As the drought continues, you have to either continue to feed your cattle or sell them. ... It's the worst I've seen it in more than 30 years." During most dry years, California cattlemen send their herds to places with healthier pastures or buy supplemental feed to sustain their animals until the rainy season. But high fuel prices, a lack of green pastures in California and neighboring states, and the soaring cost of livestock feed have left ranchers little choice but to sell off their mother cows because they can ill afford to feed them....