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Showing 1 to 5 of 5 for “"lambing percentage"”.
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The profitability of nitrogen fertiliser usage on Canterbury irrigated sheep farms
… and application rate, and was most apparent when lambing rate was increased to 140%. Spring applied nitrogen responses generally occurred too late to reduce the supplementation requirement. The increase in feed requirements which occurred when lambing rate increased from 120 to 140% could have …
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Cervical artificial insemination in sheep
… treatments or across insemination days. The low lambing percentage appears to be due to an error in semen handling post collection/dilution, but results may have been compounded by low dose rates (96-232 x 10⁶ spermatozoa/inseminate) and marginal semen quality (motility) prior to insemination. …
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An economic evaluation of the optimal ewe replacement policy for typical Canterbury light land and irrigated properties
… The survey and trial work showed that a higher lambing percentage can be expected from aged (‘gummy') ewes. However, this was the case only when the ewes were given preference, over younger ewes, for good feed especially in the six week period before parturition. The results also show that the …
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Lamb wastage and its association with ewe body condition
… where they were managed as one mob until pre-lambing in 2002, where the multiple bearing ewes remained for the following year’s trial (2003). Small-framed ewes in 2002 (n = 310) had significantly (P < 0.001) lower LW and GR (LW = 61.6 ± 0.73 kg; GR = 8.23 ± 0.26) compared with large-framed (n …
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Validating a Proposed Data Mining Approach (SLDM) for Motion Wearable Sensors to Detect the Early Signs of Lameness in Sheep
… £89.80 due to the decline in body condition, lambing percentage, growth rate, and reduced fertility. Thus, early lameness detection eliminates the negative impact of lameness and increase the chance of favourable outcome from treatment. The development of wearable sensor technologies enables …