Romney ewes
Analysis of the effects of sire and age on wool quality traits in Romney ewes
... with Romney ewes in North Canterbury, New ...of Romney wool by improving its ...437 ewes as hoggets and again as two ...of ewes with wool medullation ...
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A study of the reproductive performance of two year old Romney and Border Leicester X Romney ewes after differential feeding and gonadotrophin treatment : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science in Animal Science at Massey University
... Lambs born to Border-Romney ewes were heavier at birt h and grew more rapidly to weaning. It is likely that part of this superiority of growth rate was related to a greater milk production by these ...
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Variation in KRTAP6-1 affects wool fibre diameter in New Zealand Romney ewes
... (NZ) Romney ewes sired by 16 different ...these ewes. Among the 243 ewes that had genotypes with a frequency of over 5 % ...NZ Romney ewes, confirming the finding in Merino ...
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The effects of prolactin on prolactin receptor gene expression and wool growth in Romney ewes : Doctor of Philosophy in Animal Science at Massey University
... wool growth in pregnant and non-pregnant Romney ewes was assessed. Three experiments were performed where exogenous prolactin was administered by subcutaneous injection (daily for 1 8 days) or constant ...
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The effects of prolactin on prolactin receptor gene expression and wool growth in Romney ewes : Doctor of Philosophy in Animal Science at Massey University
... In the I nf-3 group PRLR-L mRNA levels were up-regulated on day 7 even though prolactin treatment had finished 4 days earlier. Similar to the Inf-3 group, up-regulation of P RLR-L mRNA expression in the Inf-9 group was ...
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A study of the ovarian response of New Zealand Romney ewes sequentially superovulated with pregnant mare's serum gonadotrophin : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science in Animal Science at Massey University
... from ewes in Experiment 1 ( taken 6 days after the onset of oestru s ) are shown in F i g ...of ewes in Experiment 3 ( 10 days after the onset of oestru s ) are seen in ...
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A study of the ovarian response of New Zealand Romney ewes sequentially superovulated with pregnant mare's serum gonadotrophin : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science in Animal Science at Massey University
... Lutea plus Follicles greater than Ewes Ovulatin g.. CorporQ Lutea plus Follicles greater thon 1 mm..[r] ...
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Aspects of selection in an interbred flock based on Perendales crossed with Merino X Romney ewes : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science in Animal Science at Massey University
... SUMNER , R . M . W . ( 1 9 6 9 ) . A comparative s tudy of the effec t of two s tocking leve ls on woo l fo l licle deve lopment and woo l production of the New Zea land Romney sheep . M . Ag r . Sc . Th es i s , ...
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A study of some aspects of selection for the fertility of New Zealand Romney ewes : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science
... Vii th respect to the selection of rcpl......co.ce_.tn to enter the brccd:inc flock as two-tooths, a cullin.:; rete of �und 40-505- seeJS npplicc..blc :for quite a wide ra.nce of variutions in lambi.% pcrce!ltace , o.nd ...
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Aspects of selection in an interbred flock based on Perendales crossed with Merino X Romney ewes : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science in Animal Science at Massey University
... Permission is given for a copy to be downloaded by an individual for the purpose of research and private study only.. The thesis may not be reproduced elsewhere without the permission of[r] ...
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A study of the reproductive performance of two year old Romney and Border Leicester X Romney ewes after differential feeding and gonadotrophin treatment : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science in Animal Science at Massey University
... Merino ewes se le c ted for mul tiple births over several years showed grea ter ovula ti on respons es to PMSG than ilidewes with lower natural ovulation rates due t o negative selection ( Bindon et 1 97 1 ; ...
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A study of ovulation and early prenatal mortality in the New Zealand Romney ewe : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science, Massey University
... , Work by McDonald and Averill with New Zealand Romney ewes shows the highest rates o£ ovulation occurred in April and.. Breed differences in the length of oestrous cycle have been repor[r] ...
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A study on the breeding performance of Romney and Border Leicester cross Romney ewe hoggets and two year old ewes : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy
... of ewes can be stimulated by the ram (Merino - Schinckel, 1 954; Romney - Edgar and Bilkey, 1 963; Corriedale - Lyle and Hunter, 1 967 ; Prealpes, Ile-de-France and Berrichon - Cognie et ...of ewes ...
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Estrus Synchronization and Artificial Insemination with Fresh and Chilled Semen in Assaf Ewes
... Fertility rate is higher when semen is placed deeper in the cervix during cervical insemination [3] [65]. Spanish sheep breeds with low fertility rate (Assaf and Churra) present a more complex cervical canal, which ...
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Pathogenesis of reproductive failure induced by Trypanosoma vivax in experimentally infected pregnant ewes
... nant ewes was the progressive loss of body condition, which was manifested by low body scores achieving the lower limit of ...infected ewes were significantly lower than those observed in the control ...
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Shearing Merino ewes at different stages of pregnancy : some consequences for the progeny : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science majoring in Agricultural Science at Massey University, Palmerston North, New Zealand
... of ewes alive at tailing , this indicates that substantia l lamb losses occu rred ...important; ewes that were heavier mid-pregnancy were more likely to be lactating at ta iling, a result consistent with ...
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Feeding and Managing the Ewe Flock: A New Watch
... 1337 | Page equally short lambing season 5 months later. The benefits of this are that most ewes in the flock will be at the same stage of production at any given time. This makes it easier to feed a group of ...
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Colonisation of the ovine respiratory tract by Pasteurella (Mannheimia) haemolytica : a thesis presented in partial fulfilment of the requirements for the degree of Master of Veterinary Studies at Massey University
... The pulsed field profiles of isolates from the nasal cavity of ewes and their new-born lambs showed that lambs are more likely to obtain the first strain of P... from in-contact ewes, la[r] ...
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Effects of photoperiod on some reproductive organs and endocrine glands of young rams : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science at Massey University
... Constant light treatment oestrous cycles have been induced in "western ewes 11 treated with a constant 11 hour photoperiod per day Means et al., 1960, in Suffolk ewes exposed to a consta[r] ...
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L Arginine Supplementation Alters Maternal Blood Biochemical Attributes and Milk Composition Relative to Neonatal Traits of Najdi Ewes
... DOI: 10.4236/ojas.2019.93028 347 Open Journal of Animal Sciences 0.05) blood cholesterol by 21% compared with control figures, however high ar- ginine slightly ( P > 0.05) reduced this value by barely 9%. ...
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