Leah Marett

Dairy Cows Offered Fresh Chicory Instead of Ensiled Pasture during an Acute Heat Challenge Produced More Milk and Had Lower Body Temperatures.

S Richard O Williams, Peter J Moate, Josie B Garner, Murray C Hannah, Khageswor Giri, William J Wales, Leah C Marett

Journal article  |  2023  |  Animals (Basel)

The frequency, duration, and intensity of heat waves in Australia are increasing. To reduce the impact of heat waves on milk produ..

Comparison of Workflows for Milk Lipid Analysis: Phospholipids

Cheng Li, Zhiqian Liu, Leah Marett, Jennie Pryce, Simone Rochfort

Journal article  |  2023  |  FOODS

Milk is a rich source of lipids, with the major components being triglycerides (TAG) and phospholipids (mainly phosphatidylcholine..

Sharing of either phenotypes or genetic variants can increase the accuracy of genomic prediction of feed efficiency.

Sunduimijid Bolormaa, Iona M MacLeod, Majid Khansefid, Leah C Marett, William J Wales, Filippo Miglior, Christine F Baes, Flavio S Schenkel, Erin E Connor, Coralia IV Manzanilla-Pech, Paul Stothard, Emily Herman, Gert J Nieuwhof, Michael E Goddard, Jennie E Pryce

Journal article  |  2022  |  Genet Sel Evol

BACKGROUND: Sharing individual phenotype and genotype data between countries is complex and fraught with potential errors, while s..

Effects of Heat Stress in Dairy Cows Offered Diets Containing Either Wheat or Corn Grain during Late Lactation

Josie B Garner, S Richard O Williams, Peter J Moate, Joe L Jacobs, Murray C Hannah, Greg L Morris, William J Wales, Leah C Marett

Journal article  |  2022  |  ANIMALS

Cereal grains that differ in the rate and extent of ruminal fermentation differ in heat increment and may be used to improve therm..

Correction to: Expression of mitochondrial protein genes encoded by nuclear and mitochondrial genomes correlate with energy metabolism in dairy cattle.

Jigme Dorji, Christy J Vander Jagt, Josie B Garner, Leah C Marett, Brett A Mason, Coralie M Reich, Ruidong Xiang, Emily L Clark, Benjamin G Cocks, Amanda J Chamberlain, Iona M MacLeod, Hans D Daetwyler

Journal article  |  2022  |  BMC Genomics

Following publication of the original article [1], it was reported that Fig. 4 was missing several labels (I-IV) and that Addition..

Evaluation of updated Feed Saved breeding values developed in Australian Holstein dairy cattle.

S Bolormaa, IM MacLeod, M Khansefid, LC Marett, WJ Wales, GJ Nieuwhof, CF Baes, FS Schenkel, ME Goddard, JE Pryce

Journal article  |  2022  |  JDS Commun

Although selection for increased milk production traits has led to a genetic increase in body weight (BW), the genetic gain in mil..

Impact of hot weather on animal performance and genetic strategies to minimise the effect

Jennie E Pryce, TTT Nguyen, EK Cheruiyot, L Marett, JB Garner, M Haile-Mariam

Journal article  |  2022  |  ANIMAL PRODUCTION SCIENCE

Dairy cows in Australia and New Zealand are generally kept outdoors, making them susceptible to weather variability and in particu..

Effects of extreme summer heat events on nutritive characteristics of dairy pastures in northern Victoria, Australia

ME Rogers, AR Lawson, K Giri, Y Williams, JB Garner, LC Marett, WJ Wales, JL Jacobs

Journal article  |  2022  |  ANIMAL PRODUCTION SCIENCE

Context: The incidence of extreme heat events (prolonged temperatures above 35°C) is increasing in the northern Victorian dairying..

Economic Threshold Analysis of Supplementing Dairy Cow Diets with Betaine and Fat during a Heat Challenge: A Pre- and Post-Experimental Comparison

Claire D Lewis, Leah C Marett, Bill Malcolm, S Richard O Williams, Tori C Milner, Peter J Moate, Christie KM Ho

Journal article  |  2022  |  ANIMALS

Ex ante economic analysis can be used to establish the production threshold for a proposed experimental diet to be as profitable a..

Optimised Method for Short-Chain Fatty Acid Profiling of Bovine Milk and Serum

Cheng Li, Zhiqian Liu, Carolyn Bath, Leah Marett, Jennie Pryce, Simone Rochfort

Journal article  |  2022  |  MOLECULES

Short-chain fatty acids (SCFA, C2-C5) in milk and serum are derived from rumen bacterial fermentation and, thus, have the potentia..