Weigh each calf and record tag number, sex and weight. The calves will quickly run back to their own mothers when they are let back the next day. Record birth weight or if unknown use average for the breed 32 kgs Column 5. EBVs help make the choice of which bulls, heifers and cows to keep much easier and more accurate. At marking when oldest calves are 12 weeks of age , ear tag all calves with consecutively numbered tags. Bull and heifer calves can be tagged in opposite ears if desired. Cattle need only be handled at marking and weaning. A good way to mother-up calves is to separate them from the cows for about 12 hours, say overnight.
Record actual weight kgs Column 7. Select out, by eye, the heifer calves in each group which have grown the most, until the desired number of replacements remain. A major advantage of this system is that there is no need to record birth date, which may be difficult in many large herds. Remember that BCS is not only a reflection of your nutrition program, but also of the fertility potential of your herd. The day weight ratio is calculated by dividing the adjusted daily gain by the average adjusted daily gain for the group and multiplying by Column Vertebrae of chine, loin and rump are not highly visible but can be felt. Sheep eartags are inexpensive and quite satisfactory. Cull the dams of the poor calves. Join heifers as per the normal breeding program. At present, however, there is one and only one method that is available to every dairy and beef producer that has stood the test of time to get more heifers; get more calves! The milking ability of mature cows is also measured by the growth of their calves. Eight to 10 weeks after joining pregnancy test heifers and cull empties. Numbered eartags must be used because calves need to be individually identified. First mount was identified by the computerized "Heat Watch" system and time to A. Only those calves born within a three month period or less should be compared and a minimum of 10 calves per group is necessary for meaningful comparisons. One of the most common is based on the notion that male sperm swim faster than female, but they die sooner. Sex correction factors are: Mother up selected cull calves and sell both heifer and calf as culls. Only time will tell if technology will provide cost effective methods for altering the sex ratios of A. Short ribs can be felt but not easily seen. Short ribs felt only through firm pressure. Some of the heifers' calves groups may be small but you should pick a similar proportion of replacement heifers from each group. At weaning cull heifers lightly for obvious conformation faults. Around 8 weeks after the bulls come out, or at least at weaning, pregnancy test heifers and cull empties. Record calf number and sex: At marking when oldest calves are 12 weeks of age , ear tag all calves with consecutively numbered tags.
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