Friday, May 11, 2018

First Weighing

The lambs were weighed for the first time today. Since arrival on April 26, the sixty lambs have gained an average of 8.5 ± 2.5 lbs. Gain ranged from 4.0 to 17.4 lbs. The median gain was 8.2 lbs.


Average daily gain (ADG) ranged from 0.286 to 1.2 lbs. per day and averaged 0.610 ± 0.177 lbs. per day. The median ADG was 0.586 lbs. per day. Upon arrival the lambs averaged, 57.3 ± 9.6 lbs. After two weeks, they average 65.8 ± 9.9 lbs.


The wether lambs (n=24) had the most variable, but highest rate of gain:  0.645 ± 0.207 lbs. per day.  The short-scrotum rams (n=17) gained 0.601 ± 0.149 lbs. per day, while the rams (n=19) gained 0.575 ± 0.161 lbs. per day.


The sixty lambs are currently consuming a diet of pasture, hay, and grain. The grain is a mixture of whole barley, soybean meal, and minerals. The lambs are currently consuming 0.75 lbs. per head twice per day. The hay is an alfalfa/grass mix. The pasture is a silvopasture of cool season perennials.

Sex No. Weight, lbs Gain, lbs ADG, lb/d
Ram 19 69.2 ± 12.3 8.0 ± 2.0 0.575 ± 0.161
Wether 25 64.0 ± 8.2 9.0 ± 2.9 0.645 ± 0.207
Short scrotum 17 64.6 ± 8.4 8.4 ± 2.1 0.601 ± 0.149

All lambs had FAMACHA© scores of 1-2. None required deworming or any health treatment.

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