Diagnosis of respiratory disease in preweaned dairy calves using sequential thoracic ultrasonography and clinical respiratory scoring : temporal transitions and association with growth rates [PDF]
, 2021 Bovine respiratory disease (BRD) in dairy calves is a multifactorial condition, involving environmental, host, and pathogen factors. Thoracic ultrasound scoring (TUS) has recently been validated as an accurate method of detecting BRD-related lung ...
Ryan, Eoin G. +9 more
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Transmission and quantification of verocytotoxin-producing Escherichia coli O157 in dairy cattle and calves [PDF]
, 2009 Data from a field study of 14 months duration in a naturally colonized dairy herd and data from an experiment with calves were used to quantify transmission of verocytotoxin-producing Escherichia coli (VTEC O157) in cattle.
Schouten, J.M. +4 more
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Genetic variation of metabolite and hormone concentration in UK Holstein-Friesian calves and the genetic relationship with economically important traits [PDF]
, 2009 The decline of dairy cattle fertility worldwide remains a major concern, with conception rates to first service commonly below 40%. The length and severity of negative energy balance postpartum are unfavorably correlated with fertility, suggesting that ...
Woolliams, J A +4 more
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Calf health from birth to weaning. I. General aspects of disease prevention [PDF]
, 2011 peer-reviewedCalfhood diseases have a major impact on the economic viability of cattle operations. This is the first in a three part review series on calf health from birth to weaning, focusing on preventive measures.
Mee, John F +13 more
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Effect of previous handling experiences on responses of dairy calves to routine husbandry procedures [PDF]
, 2013 The nature of human–animal interactions is an important factor contributing to animal welfare and productivity. Reducing stress during routine husbandry procedures is likely to improve animal welfare.
Stewart, Mairi +5 more
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Effects of copper, zinc and selenium status on performance and health in commercial dairy and beef herds: retrospective study [PDF]
, 2006 A retrospective study using analysis of plasma copper and zinc, and erythrocyte glutathione peroxidase from 2 080 dairy and beef cow herds was conducted to evaluate the relationship between trace-element status and production, reproduction and health in ...
Salat, O. +5 more
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Prevalence of gastrointestinal disorders recorded at postmortem inspection in white veal calves and associated risk factors [PDF]
, 2011 The study aimed at assessing the prevalence of poor rumen development, presence of rumen plaques, rumen papillae hyperkeratinization, and abomasal lesions in veal calves and to investigate risk factors for their occurrence at the farm level.
Brscic, M. +22 more
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Glycerol supplementation in dairy cows and calves [PDF]
, 2013 The production of biodiesel from rapeseed oil methyl ester leaves glycerol (synonym: glycerine, 1,2,3-propanetriol) as a valuable by-product and a promising feed supplement for farm animals. This thesis provides information about the supplemental feeding
Werner Omazic, Anna
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The Dispensable Surplus Dairy Calf: Is This Issue a “Wicked Problem” and Where Do We Go From Here?
Frontiers in Veterinary Science, 2021 Surplus dairy calves consist of all dairy bull calves and any heifer calves not needed as replacements for the milking herd. The fate of these surplus calves varies by region; for example, in Australia and New Zealand they are often sold as “bobby ...
Sarah E. Bolton +3 more
doaj +1 more source
The future of surplus dairy calves – an animal welfare perspective
Frontiers in Animal Science, 2023 An important obstacle toward sustainably produced animal-source food is the existence of so-called ‘surplus animals’, which are by-products of the production of dairy products and eggs, and ‘unwanted’ due to their perceived low value.
Laura E. Webb +2 more
doaj +1 more source