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Showing 1 to 5 of 5 for “"ANZSRC::070206 Animal Reproduction"”.
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An analysis of lambing ewes three times in two years in Southland
This study examines the management and profitability of three lambings in two years under Southland conditions, and how they compare with those of a conventional Southland farming system. There has been little work done world wide but what overseas literature there is suggests that lambing ewes …
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Control of LH secretion in red deer (Cervus elaphus)
… in oestradiol-treated hinds than in control animals, suggesting that pituitary responsiveness to GnRH was partly suppressed by oestradiol treatment. This indicated that in red deer hinds oestradiol achieved its negative feedback effects at both hypothalamic and pituitary gland sites. Another …
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Cervical artificial insemination in sheep
Results are reported from a fresh semen cervical artificial insemination trial in April 1989 at the Lincoln College Research Farm. One hundred and ninety Coopworth ewes were inseminated over 5 days. Semen was collected twice daily from four Dorset Down rams using an artifical vagina (A.V.). …
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An attempt to advance seasonal reproductive activity in stoats (Mustela erminea) by use of an artifical photoperiod: A dissertation submitted in partial fulfilment of the requirements of the Degree of Bachelor of Science with Honours at Lincoln University
… a requirement for year-round breeding in captive animals. This study tested the hypothesis that a long-day photoperiod applied to stoats during winter months would stimulate reproduction in these animals. Adult stoats (12 males and 12 females) were captured from the wild during summer and autumn. …
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Lamb wastage and its association with ewe body condition
The effect of ewe body condition and live weight, and change in these factors, on lamb wastage was examined in a composite (principally Coopworth) flock of small- or large-framed ewes. Approximately equal sized flocks of small- and large-framed ewes, balanced for age and condition were selected …