Full Text Journal Articles by
Author D B Haley

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Associations between feeding behaviors collected from an automated milk feeder and disease in group-housed dairy calves in Ontario: A cross-sectional study.

M H Conboy, C B Winder, C Medrano-Galarza, S J LeBlanc, D B Haley, J H C Costa, M A Steele, D L Renaud,

The adoption of automated milk feeders and group housing of preweaning dairy calves has become more common in Canada; however, disease detection in group-housed calves remains a challenge. The aim of this cross-sectional study was to assess whether feeding behavior data collected from a single point in time could be ... Read more >>

J Dairy Sci (Journal of dairy science)
[2021, 104(9):10183-10193]

Cited: 0 times

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Dairy farmers' expectations and receptivity regarding animal welfare advice: A focus group study.

S L Croyle, E Belage, D K Khosa, S J LeBlanc, D B Haley, D F Kelton,

Discussion and incorporation of best practices for animal welfare have been increasing in research, and in commercial operations, including through welfare assessment initiatives. The aim of this study was to explore dairy farmers' perceptions about being approached and receiving advice about animal welfare (i.e., lameness, hock injuries, and disbudding practices). ... Read more >>

J Dairy Sci (Journal of dairy science)
[2019, 102(8):7385-7397]

Cited: 5 times

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Training method for animal-based measures in dairy cattle welfare assessments.

S L Croyle, C G R Nash, C Bauman, S J LeBlanc, D B Haley, D K Khosa, D F Kelton,

Quantitative assessments of animal welfare are increasingly being used in the dairy industry. It is important to have good precision and accuracy within and among assessors. This study explored the effectiveness of a 3-d training workshop for animal-based measures (ABM) of welfare in dairy cows, in which 14 people were ... Read more >>

J Dairy Sci (Journal of dairy science)
[2018, 101(10):9463-9471]

Cited: 1 time

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Calf management risk factors on dairy farms associated with male calf mortality on veal farms.

D L Renaud, D F Kelton, S J LeBlanc, D B Haley, T F Duffield,

The objective of this cross-sectional herd-level study was to assess the association of calf management practices on source dairy farms with mortality risk on veal farms. From April to October 2016, 52 source dairy farms supplying male calves to 2 veal operations were visited once. A questionnaire was administered that ... Read more >>

J Dairy Sci (Journal of dairy science)
[2018, 101(2):1785-1794]

Cited: 11 times

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Is the profitability of Canadian tiestall farms associated with their performance on an animal welfare assessment?

M Villettaz Robichaud, J Rushen, A M de Passillé, E Vasseur, D B Haley, D Pellerin,

In order for dairy producers to comply with animal welfare recommendations, financial investments may be required. In Canada, a new dairy animal care assessment program is currently being implemented under the proAction Initiative to determine the extent to which certain aspects of the Code of Practice are being followed and ... Read more >>

J Dairy Sci (Journal of dairy science)
[2018, 101(3):2359-2369]

Cited: 0 times

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Risk factors associated with mortality at a milk-fed veal calf facility: A prospective cohort study.

D L Renaud, T F Duffield, S J LeBlanc, S Ferguson, D B Haley, D F Kelton,

The veal industry experiences calf losses during the growing period, which represents a challenge to animal welfare and profitability. Health status at arrival may be an important predictor of calf mortality. The objectives of this prospective cohort study were to describe the health status of calves arriving at a veal ... Read more >>

J Dairy Sci (Journal of dairy science)
[2018, 101(3):2659-2668]

Cited: 7 times

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Clinical and metabolic indicators associated with early mortality at a milk-fed veal facility: A prospective case-control study.

D L Renaud, T F Duffield, S J LeBlanc, D B Haley, D F Kelton,

Antimicrobial use and resistance, in combination with high levels of mortality, are important challenges facing the veal industry. To improve both the economic sustainability of the industry and animal welfare, measures need to be taken to explore and address reasons for these challenges. Health status at arrival may be an ... Read more >>

J Dairy Sci (Journal of dairy science)
[2018, 101(3):2669-2678]

Cited: 8 times

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Validation of commercial luminometry swabs for total bacteria and coliform counts in colostrum-feeding equipment.

D L Renaud, D F Kelton, S J LeBlanc, D B Haley, A B Jalbert, T F Duffield,

A sufficient quantity and quality of colostrum must be fed quickly to the newborn calf while minimizing bacterial contamination. Adenosine triphosphate bioluminescence swabs offer a potential rapid on-farm alternative to assess bacterial contamination of colostrum. The objective of this study was to validate the Hygiena (Camarillo, CA) AquaSnap Total (AS), ... Read more >>

J Dairy Sci (Journal of dairy science)
[2017, 100(11):9459-9465]

Cited: 3 times

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Management practices for male calves on Canadian dairy farms.

D L Renaud, T F Duffield, S J LeBlanc, D B Haley, D F Kelton,

Morbidity, mortality, and antimicrobial use and resistance are major concerns in the rearing of male dairy calves, so information to support disease prevention is important. The objective of this cross-sectional study was to describe management practices associated with the care of male calves during their first days of life on ... Read more >>

J Dairy Sci (Journal of dairy science)
[2017, 100(8):6862-6871]

Cited: 12 times

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Effect of following recommendations for tiestall configuration on neck and leg lesions, lameness, cleanliness, and lying time in dairy cows.

V Bouffard, A M de Passillé, J Rushen, E Vasseur, C G R Nash, D B Haley, D Pellerin,

Cow comfort in tiestalls is directly affected by stall dimensions, for which some recommendations exist. To evaluate how well Canadian dairy farms with tiestalls complied with recommendations for stall dimensions, as well as the effect of compliance on cow comfort and cleanliness, we assessed lactating Holstein cows (n = 3,485) ... Read more >>

J Dairy Sci (Journal of dairy science)
[2017, 100(4):2935-2943]

Cited: 11 times

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Systematic early obstetrical assistance at calving: II. Effects on dairy heifer calf growth, health, and survival to weaning.

M Villettaz Robichaud, D L Pearl, S M Godden, J Rushen, S J LeBlanc, D B Haley,

Good calving management should not only ease the transition of cows into lactation, but also contribute to providing healthy replacement animals for the herd. Difficulty during parturition has been found to be detrimental to the offspring. Because of the association of obstetrical intervention with undesirable outcomes, the general management recommendation ... Read more >>

J Dairy Sci (Journal of dairy science)
[2017, 100(1):703-712]

Cited: 0 times

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Systematic early obstetrical assistance at calving: I. Effects on dairy calf stillbirth, vigor, and passive immunity transfer.

M Villettaz Robichaud, D L Pearl, S M Godden, S J LeBlanc, D B Haley,

A critical time for dairy cattle is the perinatal period. Good calving management is critical to reduce periparturient losses and ensure the health of the offspring. Generally, it has been recommended that cows be allowed to calve unassisted when possible, but very few studies have been published that support or ... Read more >>

J Dairy Sci (Journal of dairy science)
[2017, 100(1):691-702]

Cited: 1 time

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Prevalence of and risk factors for hock and knee injuries on dairy cows in tiestall housing in Canada.

C G R Nash, D F Kelton, T J DeVries, E Vasseur, J Coe, J C Zaffino Heyerhoff, V Bouffard, D Pellerin, J Rushen, A M de Passillé, D B Haley,

Leg injuries on dairy cows are a common and highly visible welfare concern on commercial dairy farms. With greater attention being placed on food animal welfare and limited research being conducted on tiestall farms, this study aimed to identify prevalence and risk factors for hock and knee injuries on dairy ... Read more >>

J Dairy Sci (Journal of dairy science)
[2016, 99(8):6494-6506]

Cited: 13 times

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Calving management practices on Canadian dairy farms: Prevalence of practices.

M Villettaz Robichaud, A M de Passillé, D L Pearl, S J LeBlanc, S M Godden, D Pellerin, E Vasseur, J Rushen, D B Haley,

Little information is available about current practices around calving in dairy cattle. The aim of this study was to describe calving management practices in the Canadian dairy industry related to housing, calving protocols, monitoring of parturition, and calving assistance. Information was gathered by in-person interviews from 236 dairy farms from ... Read more >>

J Dairy Sci (Journal of dairy science)
[2016, 99(3):2391-2404]

Cited: 2 times

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Associations between lying behavior and lameness in Canadian Holstein-Friesian cows housed in freestall barns.

L Solano, H W Barkema, E A Pajor, S Mason, S J LeBlanc, C G R Nash, D B Haley, D Pellerin, J Rushen, A M de Passillé, E Vasseur, K Orsel,

Lying behavior is an important measure of comfort and well-being in dairy cattle, and changes in lying behavior are potential indicators and predictors of lameness. Our objectives were to determine individual and herd-level risk factors associated with measures of lying behavior, and to evaluate whether automated measures of lying behavior ... Read more >>

J Dairy Sci (Journal of dairy science)
[2016, 99(3):2086-2101]

Cited: 17 times

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Effect of feed type and method of presentation on feeding behavior, intake, and growth of dairy calves fed a high level of milk.

M A Overvest, R Bergeron, D B Haley, T J DeVries,

The objective of this study was to assess the effect of different feed types and method of feed presentation in the first 12 wk of life on the feeding behavior, intake, and growth of calves fed a high milk level. Forty-eight neonatal Holstein calves were individually housed and randomly assigned ... Read more >>

J Dairy Sci (Journal of dairy science)
[2016, 99(1):317-327]

Cited: 12 times

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Prevalence of lameness and associated risk factors in Canadian Holstein-Friesian cows housed in freestall barns.

L Solano, H W Barkema, E A Pajor, S Mason, S J LeBlanc, J C Zaffino Heyerhoff, C G R Nash, D B Haley, E Vasseur, D Pellerin, J Rushen, A M de Passillé, K Orsel,

Lameness is a severe welfare problem and a production-limiting disease in dairy farming. The objectives of this study were to determine prevalence of lameness and investigate cow- and herd-level factors associated with lameness in dairy cows housed in freestall barns in 3 Canadian provinces. A purposive sample of 40 Holstein-Friesian ... Read more >>

J Dairy Sci (Journal of dairy science)
[2015, 98(10):6978-6991]

Cited: 56 times

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Validation of triaxial accelerometers to measure the lying behaviour of adult domestic horses.

C DuBois, E Zakrajsek, D B Haley, K Merkies,

Examining the characteristics of an animal's lying behaviour, such as frequency and duration of lying bouts, has become increasingly relevant for animal welfare research. Triaxial accelerometers have the advantage of being able to continuously monitor an animal's standing and lying behaviour without relying on live observations or video recordings. Multiple ... Read more >>

Animal (Animal : an international journal of animal bioscience)
[2015, 9(1):110-114]

Cited: 7 times

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Associations of serum haptoglobin in newborn dairy calves with health, growth, and mortality up to 4 months of age.

C F Murray, M C Windeyer, T F Duffield, D B Haley, D L Pearl, K M Waalderbos, K E Leslie,

The objective of this research was to investigate factors associated with serum haptoglobin (Hp) levels in newborn calves. In addition, the associations between serum Hp levels in newborn calves with growth, morbidity, and mortality in calves <4 mo of age were investigated. A total of 1,365 Holstein heifer calves from ... Read more >>

J Dairy Sci (Journal of dairy science)
[2014, 97(12):7844-7855]

Cited: 10 times

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Addition of gut active carbohydrates to colostrum replacer does not improve passive transfer of immunoglobulin G in Holstein dairy calves.

M Villettaz Robichaud, S M Godden, D M Haines, D B Haley, D L Pearl,

The primary objective of this study was to investigate the effects of supplementing a commercial colostrum replacer (CR) with gut active carbohydrates (GAC) on passive transfer of IgG in commercial dairy calves. A secondary objective was to evaluate the effect of treatment on preweaning health and growth. A total of ... Read more >>

J Dairy Sci (Journal of dairy science)
[2014, 97(9):5700-5708]

Cited: 5 times

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Stocking density, milking duration, and lying times of lactating cows on Canadian freestall dairy farms.

G L Charlton, D B Haley, J Rushen, A M de Passillé,

Lying time is an important measure of cow comfort, and the lying behavior of dairy cattle can now be recorded automatically with the use of accelerometers. To assess the effect that stall stocking density and the time that cows spend away from the home pen being milked has on the ... Read more >>

J Dairy Sci (Journal of dairy science)
[2014, 97(5):2694-2700]

Cited: 14 times

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Prevalence of and factors associated with hock, knee, and neck injuries on dairy cows in freestall housing in Canada.

J C Zaffino Heyerhoff, S J LeBlanc, T J DeVries, C G R Nash, J Gibbons, K Orsel, H W Barkema, L Solano, J Rushen, A M de Passillé, D B Haley,

Injuries are a widespread problem in the dairy industry. The objective of this study was to determine the prevalence of and explore the animal-based and environmental factors associated with hock, knee, and neck injuries on dairy cows in freestall housing in Ontario and Alberta, Canada. Freestall dairy farms in the ... Read more >>

J Dairy Sci (Journal of dairy science)
[2014, 97(1):173-184]

Cited: 26 times

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Sampling cows to assess lying time for on-farm animal welfare assessment.

E Vasseur, J Rushen, D B Haley, A M de Passillé,

The time that dairy cows spend lying down is an important measure of their welfare, and data loggers can be used to automatically monitor lying time on commercial farms. To determine how the number of days of sampling, parity, stage of lactation, and production level affect lying time, electronic data ... Read more >>

J Dairy Sci (Journal of dairy science)
[2012, 95(9):4968-4977]

Cited: 29 times

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Short communication: The effects of experimentally induced Escherichia coli clinical mastitis on lying behavior of dairy cows.

J A Cyples, C E Fitzpatrick, K E Leslie, T J DeVries, D B Haley, N Chapinal,

Clinical mastitis is a commonly occurring and economically important problem in the dairy industry. Researchers have suggested that changes in lying behavior could be useful as early indicators of cow discomfort and poor welfare. The objective of this study was to determine the associations between the onset of illness resulting ... Read more >>

J Dairy Sci (Journal of dairy science)
[2012, 95(5):2571-2575]

Cited: 19 times

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Pain mitigation after band castration of beef calves and its effects on performance, behavior, Escherichia coli, and salivary cortisol.

L A González, K S Schwartzkopf-Genswein, N A Caulkett, E Janzen, T A McAllister, E Fierheller, A L Schaefer, D B Haley, J M Stookey, S Hendrick,

Eighty-nine steer and bull calves (210 +/- 20 d of age) were randomly assigned to a 2 x 2 factorial arrangement of treatments to study the effect of sham or band castration (CAST) with or without pain medication (MED) on performance, behavior, cortisol, and Escherichia coli shedding. Steers (serving as ... Read more >>

J Anim Sci (Journal of animal science)
[2010, 88(2):802-810]

Cited: 35 times

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