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  • noun

Words related to calving

giving birth to a calf

References in periodicals archive ?
Influence of age at first calving on milk yield lactation length and calving interval.
The genetic relationship between commencement of luteal activity and calving interval, body condition Score, production, and linear type traits in Holstein-Friesian dairy cattle J.
Rehman and Khan (2012) used 5897 lactation records on Sahiwal cattle and reported that the heritability estimates for 305-day milk yield, total milk yield, lactation length, dry period, calving interval and service period were 0.
Lowest calving interval AM & JE Jones, Ty Hwnt ir Afon, Eglwysbach (373 days).
Welsh industry data indicates the calving interval in suckler herds is over-extended," he said.
The performance traits examined were 305-day milk yield, total milk yield, lactation length, dry period, calving interval, service period and age at first calving.
For herds with a 12 month calving interval, lactation length should be 300 d (for a 65 d dry period), so lactation length would be the calving interval less 65 d, meaning that 82% of the cows are milking at any one time with 100% calving rate.
Best increase in fat & protein R J & C M Williams Stryt yr Hwch, Sontley (up 63kgHerd with lowest calving interval MO & IG Hughes, Rhiwlas, Eglwysbach (360 days).
The average calving interval now stands at 402 days, an increase of seven days over the past three years.
During an open day at Y Gyrn, farmers heard there is a PS5 cost attached to every day a cow's calving interval extends beyond 365 days.
The current calving interval is running at 378 days, clinical mastitis cases are rare, somatic cell count (SCC) invariably runs at 80 and 100 and calf mortality is 2%.
The aim of this study is to evaluate the relationship between 305-d milk yield and several environmental factors (calving season, calving year, parity, calving interval and dry period) for Brown-Swiss dairy cattle with respect to Regression Tree method.
It has been demonstrated that manipulation of nutritional and environmental factors could reduce the age of first calving and calving interval in buffaloes (Qureshi et al.