Dairy heifers
Herbage Characteristics Affecting Intake by Dairy Heifers Grazing Grass-Monoculture and Grass-Birdsfoot Trefoil
... Pasture-based milk production is the fastest growing segment of U.S. organic agriculture; but such dairies experience up to 32% decrease in milk production (William D. McBride & Greene, 2009), due to reduced herbage ...
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Cubicle Refusal and Rearing Accommodation as Possible Mastitis Risk Factors in Cubicle-Housed Dairy Heifers
... 65 dairy farms with cubicle sheds in the Norwegian county of Oppland in 1990 were included in a study of rearing accommodation, cubicle refusal and mastitis ...and heifers throughout the final week of ...
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The creation and evaluation of a model to simulate the probability of conception in seasonal-calving pasture-based dairy heifers
... Accurate models predicting epidemiological outcomes are useful tools for decision-support and simulation. Val- idating the predictive ability of the model is an import- ant step in verifying its usefulness. The models ...
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Randomised controlled trial to evaluate the effect of foot trimming before and after first calving on subsequent lameness episodes and productivity in dairy heifers
... Please cite this article as: S.A. Mahendran, J.N. Huxley, Y-M. Chang, M. Burnell, D.C. Barrett, H.R. Whay, T. Blackmore, C.S. Mason, N.J. Bell, Randomised controlled trial to evaluate the effect of foot trimming before ...
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Endocrine Profiles, Haematology and Pregnancy Outcomes of Late Pregnant Holstein Dairy Heifers Sired by Bulls Giving a High or Low Incidence of Stillbirth
... Holstein dairy heifers sired by bulls giving a high or low incidence of ...Holstein heifers has increased continuously during the last 15 years to an average of 11% ...Holstein dairy ...
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Analysis of the Management and Costs Associated with Rearing Pregnant Dairy Heifers in the UK from Conception to Calving
... British heifers [4], 4.1% in French dairy heifers [23] but only ...of heifers initially confirmed in calf suffered from late embryonic/early fetal mortality while a further ...UK ...
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Randomised controlled trial to evaluate the effect of foot trimming before and after first calving on subsequent lameness episodes and productivity in dairy heifers
... Mahendran, S A, Huxley, J N, Chang, Y M, Burnell, M, Barrett, D C, Whay, H R, Blackmore, T L, Mason, C S and Bell, N J (2017). Randomised controlled trial to evaluate the effect of foot trimming before and after first ...
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PHENOTYPIC CORRELATION BETWEEN COUPLE OF MILK PRODUCTION TRAITS IN ROMANIAN SPOTTED BREED DAIRY HEIFERS FROM S.C. AGROSEM S.A. PIŞCHIA, TIMIŞ COUNTY
... The aim of the study was to establish the phenotypic correlations between milk yield parameters of 95 Romanian Spotted breed dairy heifers and their subsequent milk yield and composition in the first ...
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Development of a New Kisspeptin Based Method of Ovulation Synchronization for Crossbred Dairy Heifers
... Recently, kisspeptin has been reported to be a potent secretagogue of GnRH and play important roles in the regulation of reproduction in animals [13]. Kisspeptin (a product of the KiSS1 gene) is a decapeptide acts mainly ...
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Positive relationships between body weight of dairy heifers and their first-lactation and accumulated three-parity lactation production
... Zealand dairy heifers. Heifers were classified into 5 breed groups: Holstein-Friesian, Holstein-Friesian crossbred, Jersey, Jersey crossbred, and Holstein-Friesian-Jersey ...lighter heifers ...
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First results from insemination with sex-sorted semen in dairy heifers in Macedonia
... is to introduce bovine AI using sex sorted semen, in order to increase the number of internally raised heifers. The specific aim of the present paper was to report the results of the first inseminations using sex ...
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Local host response following an intramammary challenge with Staphylococcus fleurettii and different strains of Staphylococcus chromogenes in dairy heifers
... Even in case of large inoculation doses, bovine-asso- ciated S. chromogenes and environmental S. fleurettii strains trigger a similar, relatively mild local response. The environmental CNS species, S. fleurettii, evokes ...
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Analysis of the Management and Costs Associated with Rearing Pregnant Dairy Heifers in the UK from Conception to Calving
... British heifers [4], 4.1% in French dairy heifers [23] but only ...of heifers initially confirmed in calf suffered from late embryonic/early fetal mortality while a further ...UK ...
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Live weight gain and urinary nitrogen excretion of dairy heifers grazing pasture, chicory and plantain
... and dairy cows (Waghorn and Clark, 2004) grazing swards containing chicory and plantain produced more milk than those offered perennial ryegrass-white clover ...on dairy heifer LW ...old dairy ...
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An empirical analysis of the cost of rearing dairy heifers from birth to first calving and the time taken to repay these costs
... quality dairy heifers is essential to maintain herds by replacing culled ...rearing heifers from birth to fi rst calving in Great Britain including the cost of mortality, investigated the main factors ...
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Comparison of the effects of high and low milk-replacer feeding regimens on health and growth of crossbred dairy heifers
... Management of dairy heifer calves in many countries (e.g. UK, Ireland, USA, Canada, Israel, Australia) conventionally involves separation from the dam on the first day of life and then feeding whole milk at a rate ...
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Evaluation of Inoculated Lablab Silage for Growing Dairy Heifers
... period heifers in each treatment replicate were group fed either inoculated or untreated (control) lablab ...morning. Heifers were weighed at commencement of the experiment and weekly for its ...of ...
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Lameness in dairy heifers ; impacts of hoof lesions present around first calving on future lameness, milk yield and culling risk
... all heifers were moved to cubicle housing with mattress and sawdust until the transition ...calving, heifers were separated according to the feeding system to which they had been allocated (described below) ...
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Prospective cohort study to assess rates of contagious disease in pre-weaned UK dairy heifers: management practices, passive transfer of immunity and associated calf health
... Dairy calves are vulnerable to infectious diseases, particularly diarrhoea and bovine respiratory disease (BRD), causing mortality and reducing welfare and growth. A prospective cohort study was performed on 11 UK ...
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Epidemiology of mastitis in peripartum dairy heifers : a dissertation presented in partial fulfilment of the requirements for the degree of Masters of Veterinary Studies in Epidemiology at Massey University, Palmerston North, New Zealand
... pasture-grazed heifers are seldom closely examined prior to calving and their subsequent first milking (usually within 24 hours of ...of heifers within 14 days following calving in this study was higher ...
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