Search Results - "New Zealand journal of agricultural research"

Review of sheep body condition score in relation to production characteristics by Kenyon, PR, Maloney, SK, Blache, D

“…Body condition scoring of sheep was first developed as a technique in the 1960s. Unlike live weight, it circumvents the issues of skeletal size, breed and…”
Get full text

Computer vision-based weight estimation of livestock: a systematic literature review by Dohmen, Roel, Catal, Cagatay, Liu, Qingzhi

“…Body weight measurement of animals is often labor-intensive for farmers and stressful for animals. To this end, several methods have been researched and…”
Get full text

Herbicide resistant weeds in New Zealand: state of knowledge by Ghanizadeh, Hossein, Harrington, Kerry C.

“…Herbicide-resistant weeds are serious threats to agricultural production. Since a review published in 1996, the number of different examples of weed biotypes…”
Get full text

Quantifying the economic cost of invertebrate pests to New Zealand's pastoral industry by Ferguson, Colin M., Barratt, Barbara I. P., Bell, Nigel, Goldson, Stephen L., Hardwick, Scott, Jackson, Mark, Jackson, Trevor A., Phillips, Craig B., Popay, Alison J., Rennie, Grant, Sinclair, Stephen, Townsend, Richard, Wilson, Mike

“…The invertebrate pests most commonly affecting New Zealand's pastoral-based production in 'average' years cause losses of between $1.7B and $2.3B p.a. of which…”
Get full text

A review of plant options for mitigating nitrous oxide emissions from pasture-based systems by de Klein, Cecile A. M., van der Weerden, Tony J., Luo, Jiafa, Cameron, Keith C., Di, Hong J.

“…In grazed pasture-based systems, urinary-nitrogen (N) voided in concentrated patches is a key source of nitrous oxide (N 2 O), a potent greenhouse gas (GHG)…”
Get full text

Intended and unintended consequences of genetically modified crops - myth, fact and/or manageable outcomes? by Caradus, John R.

“…Food and feed has been produced from genetically modified (GM) crops for 25 years. It is timely to review whether this technology has globally delivered the…”
Get full text

Can alternative forages substantially reduce N leaching? findings from a review and associated modelling by Bryant, Racheal H., Snow, Val O., Shorten, Paul R., Welten, Brendon G.

“…Nitrogen (N) leaching losses from grazed pasture systems pose a risk to the environment with mitigation strategies urgently required to achieve regulatory…”
Get full text

Ergot alkaloids in New Zealand pastures and their impact by Caradus, John R., Card, Stuart D., Finch, Sarah C., Hume, David E., Johnson, Linda J., Mace, Wade J., Popay, Alison J.

“…In identifying endophytes for use in pastures in New Zealand there have been two strategies used, either exclusion of ergopeptine and lolitrem alkaloids or,…”
Get full text

Impacts of growing and utilising genetically modified crops and forages - a New Zealand perspective by Caradus, John

“…In New Zealand, a genetically modified (GM) organism means any organism where genes or other genetic material have been modified by in vitro techniques. This…”
Get full text

Comparing herbicide resistance in New Zealand and Australia by Harrington, Kerry C., Ghanizadeh, Hossein

“…Although New Zealand is developing an increasing number of herbicide-resistant weed populations, it has a much lower incidence of herbicide resistance than…”
Get full text

Epichloë fungal endophytes - a vital component for perennial ryegrass survival in New Zealand by Caradus, John R.

“…Pastoral agriculture underpins the New Zealand economy. Its success in generating export income is due to a mild and moist temperate climate, productive soils,…”
Get full text

Effects of irrigation on soil physical properties in predominantly pastoral farming systems: a review by Drewry, John J., Carrick, Sam, Penny, Veronica, Houlbrooke, David J., Laurenson, Seth, Mesman, Nicole L.

“…This paper reviews the effects of irrigation on soil physical properties, particularly soil water movement and storage, under predominantly pastoral systems…”
Get full text

Effectiveness of cottonseed cake fibre included in the diet of Nellore steers finished in confinement by Herbet Moreira Arcanjo, Angelo, Ítavo, Luis Carlos Vinhas, Ferreira Ítavo, Camila Celeste Brandão, Dias, Alexandre Menezes, Difante, Gelson dos Santos, Franco, Gumercindo Loriano, Longhini, Vanessa Zirondi, Gomes, Fernanda de Kássia, Ali, Omar, Santana, Juliana Caroline Santos, Chaves Gurgel, Antonio Leandro, Candido, Anderson Ramires, Marques Costa, Carolina

“…It was aimed to evaluate the use of cottonseed cake (CSC) as a source of physically effective neutral detergent fibre (peNDF) to replace corn silage (CS) in…”
Get full text

Nitrate leaching losses are lower from ryegrass/white clover forages containing plantain than from ryegrass/white clover forages under different irrigation by Carlton, Anna J., Cameron, Keith C., Di, Hong J., Edwards, Grant R., Clough, Tim J.

“…The aim of this research was to assess the potential of using perennial ryegrass (Lolium perenne) and white clover (Trifolium repens) forages containing…”
Get full text

An examination of the ability of plantain ( Plantago lanceolata L.) to mitigate nitrogen leaching from pasture systems by Eady, Colin, Conner, Anthony J., Rowarth, Jacqueline S., Coles, Graeme D., Deighton, Matthew H., Moot, Derrick J.

Get full text

Robots and shocks: emerging non-herbicide weed control options for vegetable and arable cropping by Bloomer, Daniel J., Harrington, Kerry C., Ghanizadeh, Hossein, James, Trevor K.

“…For decades, herbicides have provided easy-to-use, cost-effective weed management, but alternatives are desired. Consumer preference for chemical-free food,…”
Get full text

Do different soil use and management systems change root weight? by de Almeida, Emizael Menezes, de Araújo, Alexandre Romeiro, Difante, Gelson dos Santos, Motta Macedo, Manuel Cláudio, Montagner, Denise Baptaglin, Gurgel, Antonio Leandro Chaves, Zimmer, Ademir Hugo, Ferreira, Andre Dominghetti

“…The objective to examine the effect of management systems on root dry weight, the percentage distribution of root weight in the soil profile, and the soil…”
Get full text

A review of the effectiveness of sediment traps for New Zealand agriculture by Chris Smith, L., Muirhead, Richard W.

“…Agricultural expansion, intensification and overgrazing are recognised as some of the key contributing factors to increasing sediment loss above natural…”
Get full text

Feed efficiency improves sperm quality and viability of fertilisation in Dorper sheep by Matos, Jair Correia, de Lucena, Alita Ruth Ferraz, Ferreira, Bernardo José Marques, de Souza, Wildelfrancys Lima, Gois, Glayciane Costa, Menezes, Daniel Ribeiro, Moraes, Elenice Andrade, Queiroz, Mário Adriano Ávila

“…The aim was to evaluate the influence of residual feed intake (RFI) on the semen characteristics of Dorper sheep after cryopreservation. Six Dorper sheep were…”
Get full text

Quantifying contaminant losses to water from pastoral landuses in New Zealand II. The effects of some farm mitigation actions over the past two decades by Monaghan, Ross, Manderson, Andrew, Basher, Les, Spiekermann, Raphael, Dymond, John, Smith, Chris, Muirhead, Richard, Burger, David, McDowell, Richard

“…In New Zealand the primary sector together with central and local government agencies have been promoting measures to mitigate the adverse effect of farming…”
Get full text