Romney sheep
The relationship between lean meat yield and birth weight in New Zealand Romney sheep
... NZ sheep industry to meet stringent export ...the sheep industry to increase lamb carcass weight and muscle yield (Pfizer Animal Health NZ; Lincoln University Gene Marker Laboratory; ...Texel sheep ...
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Growth and carcass trait association with variation in the somatostatin receptor 1 (SSTR1) gene in New Zealand Romney sheep
... Somatostatin receptors (SSTRs) are thought to regulate the growth inhibitory effect of somatostatin and play a role in regulating growth hormone secretion. In this study, polymerase chain reaction-single-stranded ...
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Response to selection for open face and greasy fleece weight in Romney sheep : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Animal Science at Massey University
... RESPONSE TO SELECT I ON FOR OPEN FACE AND GREASY FLEECE WEIGHT I N ROMNEY SHEEP... number of l ambs born LB..[r] ...
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Molecular genetic analysis of IGF1 in Romney sheep and its role in growth
... Birth difficulty may also be associated with maternal factors, such as reduced pelvic dimensions, resulting in disproportion between mother and young as reported in sheep (Cloete et al., 1998). As well as a number ...
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Faecal avoidance in Romney sheep lines selected for resistance or resilience to gastro-intestinal nematodes
... Perendale sheep from lines selected for resistance have been reported to be less willing to graze pastures which are heavily contaminated with infective larvae (Hutchings et ...of Romney sheep ...
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The influence of selection for greasy fleece weight on the components of fleece weight in Romney sheep : a thesis presented in partial fulfillment of the requirements for the degree of Master of Animal Science at Massey University
... The clean wool production per head W can be expressed as the product of: *Wool production per unit area of skin *Wool-growing surface area The wool production per unit area is the produc[r] ...
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Genotype environment interactions and genetic parameters in New Zealand Romney sheep : a thesis submitted for the degree of Doctor of Philosophy at Massey University, New Zealand
... Re l at ively l i t t le crit i cal in format ion i s available on the importance o f GEl in sheep . The s t at i c exp e r imental approach , in whi ch t he relat ive pe r formance o f d i f f eren t genotypes ...
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Studies on the in vivo cleavage and the in vitro culture of New Zealand romney sheep ova : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science at Massey University
... t rans plantation s t udi es . Dut t ( 1 95 1 ) showed an es t i ma t e d loss o f 20% o f embryos from early-s eason mat ings whils t Har t ( 1 956 ) a l s o showed tha t a proportion ( 1 7%) o f all ova shed w e r e a ...
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Studies on the in vivo cleavage and the in vitro culture of New Zealand romney sheep ova : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural 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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Physiological responses to selection for greasy fleeceweight in Romney sheep : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science in Animal Science at Massey University
... Mean plasma glucose concentrations during Period 1 saline infusion, Period 2 methionine infusion and Period 3 saline infusion in control and fleeceweightselected rams.. Mean plasma thyro[r] ...
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Estimation of genetic and phenotypic parameters in New Zealand Romney sheep : a thesis presented in partial fulfilment of the requirements for the degree of Masterate of Agricultural Science in Animal Science at Massey University
... separately are included in Table 2 . 3) . This trend was also supported by Eikj e ( 19 7 8b) for weaning we igh t and hogget fleeceweight . He points out that this sugges ts i t may be des irable to weigh ram and ewe ...
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Response to selection for open face and greasy fleece weight in Romney sheep : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Animal Science at Massey University
... ( b ) ewe hogget face-cover grade ( FCe ) i s poorly rel ated to mature ewe t ra i ts . Thi s apparen t l y poor a s soc i at i on wi t h l amb p roducti on i s i n contrast to mos t of the reported fi n d i ngs ( see ...
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The influence of selection for greasy fleece weight on the components of fleece weight in Romney sheep : a thesis presented in partial fulfillment of the requirements for the degree of Master of Animal Science at Massey University
... Proportion of between and within flock change m clean fleece weight accounted for by each component between flock values expressed as percentage deviations; within flock values expressed[r] ...
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Physiological responses to selection for greasy fleeceweight in Romney sheep : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science in Animal Science at Massey University
... Mean plasma glucose concentrations during Period 1 saline infusion, Period 2 methionine infusion and Period 3 saline infusion in control and fleeceweightselected rams.. Mean plasma thyro[r] ...
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The effects of sward height, bulk density and tiller structure on the ingestive behaviour of red deer and Romney sheep : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Plant Science at Massey University, Palmerston North, New Zealand
... for sheep and deer to regraze an area (take bites from the second horizon) of the wheat swards before removing all of the available ungrazed surface horizon was a very rare event on short swards but was observed ...
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An appraisal of selection objectives and criteria for New Zealand Romney sheep with particular reference to wool traits : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science in Animal Science at Massey University
... and Romney b r e ed ing f l ock under N o r th I s l and h i l l c oun try c ond i t ions , in wh i ch a l l surp lus o f fs p ring are s o l d as l ambs ...
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An appraisal of selection objectives and criteria for New Zealand Romney sheep with particular reference to wool traits : a thesis presented in partial fulfilment of the requirements for the degree of Master of Agricultural Science in Animal Science at Massey University
... . Sheep l an ( C l arke and Rae , 1 9 7 6 , 1 9 7 7 ) o r i g i na l l y u s e d NLW ( darn) , but swi tched to NLB ( dam) (number o f l amb s born ( darn) ) a s inpu t in forma t ion wa s ab l e t o b e proc e s ...
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A study of the pleiotropic effects of the dominant gene N in the New Zealand Romney sheep : being a thesis presented for the degree of Doctor of Philosophy in the University of New Zealand, Massey Agricultural College
... the Kent Romney Ma rsh sheep in rele.tion t o vari o u s nutr-i tional tre a tments . Be f inds that the u l timate wo o l product ion per un i t area corrected for body we i ght or skin a re a ( as a fun c ...
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Analysis of the effects of sire and age on wool quality traits in Romney ewes
... MFD increased 5.5 micron on average. This agrees with the literature, which indicates that MFD changes over the lifetime of a sheep. Sumner et al (2001) observed a similar amount of change in Romney and ...
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Genome wide copy number variation in sheep : detection and utility as a genetic marker for quantitative traits, with reference to gastrointestinal nematodiasis : thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Animal Science at Massey University, Palmerston North, New Zealand
... Figure 6.6 Plot showing the differences in iHS, the within-line allele-specific extended haplotype homozygosity (EHH) test statistic, with regard to single nucleotide polymorphism (SNP) loci located on chromosome 2 ...
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