Genetic groups in an animal model

RA Westell, RL Quaas, LD Van Vleck - Journal of dairy science, 1988 - Elsevier
Rules are presented for assigning coefficients to the genetic group portion(s) of the mixed
model equations after transformation to solve directly for total genetic value (group plus animal …

[HTML][HTML] Sperm whale acoustic abundance and dive behaviour in the western North Atlantic

A Westell, T Sakai, R Valtierra, SM Van Parijs… - Scientific Reports, 2022 - nature.com
Sperm whales are an ideal species to study using passive acoustic technology because
they spend the majority of their time underwater and produce echolocation clicks almost …

Establishing baselines for predicting change in ambient sound metrics, marine mammal, and vessel occurrence within a US offshore wind energy area

…, TJ Rowell, S Tennant, A Westell… - ICES Journal of …, 2023 - academic.oup.com
Evaluating potential impacts on marine animals or increased sound levels resulting from
offshore wind energy construction requires the establishment of baseline data records from …

[HTML][HTML] Changes in the acoustic activity of beaked whales and sperm whales recorded during a naval training exercise off eastern Canada

…, WAM Beslin, K Kowarski, SB Martin, A Westell… - Scientific Reports, 2022 - nature.com
Experimental research has shown that beaked whales exhibit strong avoidance reactions to
naval active sonars used during antisubmarine warfare training exercises, including …

[BOOK][B] The Canadian General Election of 1984: Politicians, Parties, Press and Poll

A Frizzell, A Westell - 2013 - books.google.com
The Canadian General Election of 1984 provides a concise and readable guide to the recent
federal election. Marrying journalism to social science, this survey reports on the campaign, …

Using eOceans diver data to describe contemporary patterns of marine animal populations: A case study of sharks in Thailand

CA Ward-Paige, A Westell, B Sing - Ocean & Coastal Management, 2018 - Elsevier
Many marine animals around the world are threatened by a variety of anthropogenic activities,
yet there is often a paucity of data to monitor patterns in abundance and distribution or to …

Simultaneous genetic evaluation of sires and cows for a large population of dairy cattle

RA Westell, LD Van Vleck - Journal of Dairy Science, 1987 - Elsevier
A strategy for simultaneous sire and cow evaluation of genetic merit was implemented. First
lactation records of 1,074,971 Holstein cows in 20,065 herds were included. After inclusion …

Acoustic presence and demographics of sperm whales (Physeter macrocephalus) off southern New England and near a US offshore wind energy area

A Westell, TJ Rowell, N Posdaljian… - ICES Journal of …, 2024 - academic.oup.com
Construction in the southern New England wind energy area (WEA), a large-scale offshore
wind farm on the east coast of the United States, started in June 2023. Baseline data was …

Evaluation of Canadian Holstein-Friesian sires on disposal reasons of their daughters

RA Westell, EB Burnside, LR Schaeffer - Journal of dairy science, 1982 - Elsevier
Data were lactations of 82,971 Canadian Holstein-Friesian cows by 4,778 sires recorded
from 1975 to 1978 and included final disposal codes. Progeny were required to have first …

Genetic change in milk yield estimated from simultaneous genetic evaluation of bulls and cows

LD Van Vleck, RA Westell, JC Schneider - Journal of dairy science, 1986 - Elsevier
Genetic trend for milk yield in the artificially sired Holstein population in the northeastern
United States was estimated from solutions for simultaneous genetic evaluations of bulls and …