Body weights of some New Zealand Jersey and Friesian cattle

Campbell, Iain L.; Flux, D. S.

doi:10.1017/s0021859600058731

Cited by 7 publications

(3 citation statements)

References 14 publications

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“…The effect of cattle is thus particularly interesting from the point of view of stream fluxes. If we take a standard modern stocking density for dairy and beef cattle of 2 animals ha −1 (Nix, 2012), with animal body mass 500 kg (Campbell and Flux, 1952; Nix, 2012), dry matter intake (food consumption) of 2.5% body mass per day (Allison, 1985) and dry matter P concentration for pasture fodder of 3 g kg −1 (Metson and Saunders, 1978; Rayburn et al, 2006), then the total annual P excretion is 2738 mg P m −2 yr −1 . If even 2% of this (a low estimate proportion) reaches the stream, then ca.…”

Section: Discussionmentioning

confidence: 99%

An approach to modelling the impact of prehistoric farming on Holocene landscape phosphorus dynamics

et al. 2014

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The lake sediment phosphorus (P) record at Hatch Mere (Cheshire, UK) is investigated to assess the role of human activity in modifying Holocene landscape P export dynamics, and to develop an approach to incorporating this effect into a pre-existing long-term, large-scale landscape model of natural P export. Analysis of the lake sediment record shows that the catchment P yield is low and constant prior to ca. 6000 BP, but then increases up to the present day. This increase occurs in steps that coincide with the Neolithic, Bronze Age and Medieval periods, and the first half of the 20th century, consistent with an anthropogenic cause. Such an interpretation is supported by close correlation of the P export flux with the estimated regional population density. We demonstrate that the effect of human activity on landscape P dynamics can be incorporated into the existing P export model by scaling the soil secondary P leakage rate coefficient to population density. The findings of this study suggest that lake sediment P accumulation rate data may provide a novel method for estimating prehistoric local population density. Additionally, we show that the pre-Neolithic landscape P export was low, and we reject the widely held view that Hatch Mere is naturally eutrophic.

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Section: Discussionmentioning

confidence: 99%

An approach to modelling the impact of prehistoric farming on Holocene landscape phosphorus dynamics

et al. 2014

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“…This two-sided focus is often referred to as organizational ambidexterity (Leonhardt et al, 2017). In turn, this leads to novel characteristics in the business such as a digital strategy which consolidates the IT and business strategy (Sebastian et al, 2017), agile development methods such as Scrum and cross-functional teams (G. C. Kane, Palmer, Phillips, Kiron, et al, 2017), a risk-taking culture (Ebert & Duarte, 2018), and new executive functions such as a Chief Digital Officer (CDO) to guide the DT efforts (Singh & Hess, 2017).…”

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confidence: 99%

Digital transformation as an interaction-driven perspective between business, society, and technology

2021

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Digital transformation, a term introduced to talk about the various changes in business and society due to the increased usage of digital technologies, has recently gained much attention both in research and in practice. However, an analysis of 41 digital transformation frameworks following a developmental literature review shows that several areas can be expanded upon. We propose a novel framework that deals with the underrepresented areas by consolidating the various concepts found in the literature, explicitly including the role of society, highlighting the evolution over time, and including the drivers of digital transformation that we classified into 23 ‘digital transformation interactions’ across six categories. This novel perspective contributes to our macro-understanding of digital transformation and can be used as a lens for further research to generate fresh insights into unanswered research avenues. Ultimately, this paper can be the first step towards a unified understanding of digital transformation.

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“…McMillan, 1954;Brookes & Hodges, 1959;Crichton, Aitken & Boyne, 1959). In general, the evidence from abroad is confined mainly to analyses of records from herds at experimental stations (see review by Campbell & Flux, 1952;Morrison, 1956). Brody (1945) made an extensive analysis of growth curves from such sources.…”

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The growth rate of heifers in a dairy herd

1963

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Of the many factors which might be expected to influence the birth weight and rate of growth of heifers only the nutritional aspects have received widespread attention (e.g. Morrison, 1956;Roy, 1958). Control of rate of gain rather than absolute rate of gain has been the main interest. A number of husbandry problems are concerned with the latter, however. These include the relationship of rate of growth and subsequent milk production (Reid

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Body weights of some New Zealand Jersey and Friesian cattle

Cited by 7 publications

References 14 publications

An approach to modelling the impact of prehistoric farming on Holocene landscape phosphorus dynamics

An approach to modelling the impact of prehistoric farming on Holocene landscape phosphorus dynamics

Digital transformation as an interaction-driven perspective between business, society, and technology

The growth rate of heifers in a dairy herd

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