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Frank N. Rocha Dairy y <br /> Nitro en Calculation for Holsteins <br /> Cows in herd: 3,488 <br /> Number of I statin cows: 3,000 ICulling rate: 30% <br /> Total Dry cows: 488 Calving interval: 13 months <br /> Bred heifers: 1,585 % D cows: 14% <br /> Heifers- 1 ear to breeding: 528 Das dry: 60 <br /> Heifers-9 mos. to 1 year: 528 Das in close up en: 14 <br /> Heifers-6 mos. to 9 mos.: 528 Age at breeding: 15 months <br /> Heifers-3 mos. to 6 mos.: 528 Das in fresh pen: 3 <br /> Baby calves-0 to 3 mos.: 528 Calf death rate: 2% of calves born <br /> Total Herd: 7,714 Hospital n % rate: 2% of lactating cows <br /> Weeks in Indiv. Pens 6 Weeks <br /> Number of mature cows <br /> calving per day: 8.82 Cattle culled per year: 900 <br /> Number of heifers Heifers added per year 1082 <br /> calvingper day: 3.03 Herd growth rate: 501 <br /> Number of heifer calves Calf raising: <br /> per day from mature cows: 4.411 All calves raised: Yes No <br /> Number of heifer calves Heifers raised only: Yes No <br /> r day from heifers: 1.513 Calves raised off site: Yes No <br /> Total heifer calves per day: 5.923 lAges gone: mos.- mos. <br /> Fresh cow en: 36 <br /> Hospital pen: 60 <br /> Dry cow pen: 374 <br /> Close up dry cow pen: 114 <br /> Close up heifers pen: 81 <br /> Number of all age heifers birth <br /> to calving: 4226 <br /> AU's Holsteins <br /> Number of lactating cows: 3,000 4,200 <br /> Dry cows/Bred heifers: 2,073 2,322 <br /> Heifers-1 year to bred: 528 539 <br /> Heifers-3 mos. to 1 ear. 1585 777 <br /> Baby calves: 528 153 <br /> Total animals at site: 7,714 7,990 AUs <br />