Results 51 to 60 of about 971,544 (277)

The Cow or the Credit: Causal Relationship Between California Dairy Herd Consolidation and Anaerobic Digesters

open access: yesApplied Economic Perspectives and Policy, EarlyView.
ABSTRACT The California dairy industry has experienced considerable consolidation over the past 30 years. During this period, there has also been substantial technological innovation, implementation of the state's Low Carbon Fuel Standard program, and rapid adoption of anaerobic digesters.
Michael McCullough, Jarrett Hart
wiley   +1 more source

Causal analysis of trade loss from pathogens: A global study of foot and mouth disease impacts on meat exports

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Our general interest is in global trade loss from livestock pathogens, specifically exports. We adopt a causal inference approach that considers animal disease outbreaks over time as non‐staggered binary treatments with the potential for switching in (infection) and out of treatment (recovery) within the sample period. The outcome evolution of
Mohammad Maksudur Rahman   +1 more
wiley   +1 more source

Factors Affecting Calving Interval in Italian Holstein-Friesian Heifers [PDF]

open access: yes, 1989
Effect of rump conformation on calving interval of 520 Italian Holstein Friesian heifers was evaluated with simultaneous adjustment for herd, year of birth, calving month, age at first parturition, and milk production.
Pedron O.   +3 more
core   +1 more source

Accounting for animal health in efficiency analysis: An application to Swedish dairy farms

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Poor animal health is a central concern in modern livestock production. Despite the necessity to incorporate animal health in efficiency analysis, the theoretical and empirical developments are limited on this subject. This article appropriately characterizes the axiomatic properties of animal health within a production framework.
Frederic Ang   +3 more
wiley   +1 more source

Prevalence of, and risk factors associated with, perinatal calf mortality in pasture-based Holstein-Friesian cows [PDF]

open access: yes, 2008
peer-reviewedRecent publications indicate that the prevalence of perinatal mortality has increased in some dairy industries and an increased proportion of this loss is not associated with the traditional risk factors for perinatal mortality.
Mee, John F   +5 more
core   +1 more source

Integration of Nutrition and Organic Agriculture Framework in Managing Gastrointestinal Nematodes in Ruminants

open access: yesAnimal Research and One Health, EarlyView.
Gastrointestinal nematode infections damage the gastrointestinal epithelial tissues of ruminants, affecting nutrient utilization and overall production performance. This review outlines host‐gastrointestinal nematode interactions and discusses integrated control strategies, including nutritional supplementation, grazing management, vaccines, and ...
Wenxun Chen   +5 more
wiley   +1 more source

GENETIC AND PHENOTYPIC CORRELA TIONS FOR SOME ECONOMIC TRAITS IN DAIRY CATTLE

open access: yesPakistan Veterinary Journal, 2001
Data on lactation records of 1113 purebred Sahiwal and 784 Holstein Friesian X Sahiwal (FS) and Jersey X Sahiwal (JS) crossbred cows kept at the Livestock Production Research Institute (LPRl), Bahadurnagar, District Okara and Qadirabad District Sahiwal ...
Manzoor Ahmad, J. H. J. van der Werf1 and Khalid laved2
doaj  

Calculation of multiple-trait sire reliability for traits included in a dairy cattle fertility index [PDF]

open access: yes, 2004
The advent of genetic evaluations for fertility traits in the UK offers valuable information to farmers that can be used to control fertility problems and safeguard against involuntary culling.
Coffey, M.P.   +14 more
core   +1 more source

High Rates of Return to Soccer After Primary Hip Arthroscopic Labral Repair for Femoroacetabular Impingement Syndrome

open access: yesArthroscopy, Sports Medicine, and Rehabilitation, EarlyView.
Purpose To evaluate return‐to‐sport (RTS) outcomes and patient‐reported outcomes in soccer players after primary hip arthroscopic labral repair for femoroacetabular impingement syndrome. Methods All patients undergoing primary hip arthroscopy with labral repair for femoroacetabular impingement syndrome from 2011 to 2022 were retrospectively reviewed ...
Akeem Henry   +8 more
wiley   +1 more source

Relationships Between Conformation and Calving Interval in Holstein Cows

open access: yesJournal of Dairy Science, 1986
Type information collected by the Holstein Association of Canada from 1976 to 1983 was matched with calving interval records from the Record of Performance program of Agriculture Canada. Type traits considered were final class, major scorecard breakdown traits (general appearance, dairy character, capacity, rump, feet and legs, mammary system, fore ...
E, Dadati, B W, Kennedy, E B, Burnside
openaire   +2 more sources

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