Etiology and predisposing factors in respiratory disease of milk-fattened veal calves

Martig, J; Boss, P.; Nicolet, Jacques; Steck, F

doi:10.1016/0301-6226(76)90021-x

Cited by 18 publications

(10 citation statements)

References 5 publications

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“…Air movement at calf height of 0-2 to 0-25 m/s was considered detrimental to calf health at temperatures below 10°C (Mitchell, 1972a;Martig, Boss, Nicolet and Steck, 1976). Air movement at calf height of 0-2 to 0-25 m/s was considered detrimental to calf health at temperatures below 10°C (Mitchell, 1972a;Martig, Boss, Nicolet and Steck, 1976).…”

Section: Calf Mortalitymentioning

confidence: 99%

“…Air movement at calf height of 0-2 to 0-25 m/s was considered detrimental to calf health at temperatures below 10°C (Mitchell, 1972a;Martig, Boss, Nicolet and Steck, 1976). However, relative humidity values did not fall outside the range of 60 to 80% considered optimum for calf rearing (Mound, 1971;Martig et al, 1976). On occasions, therefore, combinations of low temperature and air movement may have stressed the calves.…”

Section: Calf Mortalitymentioning

confidence: 99%

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The effect of climatic housing and level of nutrition on the performance of calves

Williams¹,

Day²,

Raven³

et al. 1981

Anim. Sci.

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Five hundred and seven British Friesian x Ayrshire bull calves were reared on a once-daily milk replacer feeding system from approximately 6 to 72 days of age in four naturally ventilated, unheated calf houses differing in design and degree of insulation. Environment within the calf houses was monitored each hour. Differences in design and degree of insulation produced small but significant differences in internal house temperature, humidity and air movement which had no measurable effect on calf daily live-weight gains.Calves receiving 0-6 kg/day compared with 0-3 or 0-4 kg/day of milk replacer plus concentrates ad libitum ate less concentrates but had higher daily live-weight gains (0-56 compared with 0-49 kg/day respectively) (P< 0-001). Rations supplying similar amounts of metabolizable energy from varying proportions of milk:concentrate resulted in comparable live-weight gains. Results suggest that calf viability was affected by level of nutrition and that low levels of milk replacer feeding resulted in higher mortality. Naturally ventilated, unheated calf houses were demonstrated to be suitable for rearing calves in south-west Scotland.

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Section: Calf Mortalitymentioning

confidence: 99%

Section: Calf Mortalitymentioning

confidence: 99%

The effect of climatic housing and level of nutrition on the performance of calves

Williams¹,

Day²,

Raven³

et al. 1981

Anim. Sci.

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“…Single rather than group-penning resulted in a much lower incidence of salmonellosis (90), but in a survey in the US, overall mortality was lower for calves in group-penning (164). Solid-fronted pens and pen covers reduce air speed around the calf (123); air speed should not exceed .2 m/s except in the hot season when .3 m/s is acceptable (105). A low cubic capacity per calf and low ventilation rates may exacerbate a build up of infection.…”

Section: Physical Environmentmentioning

confidence: 99%

“…Hot, dry air has been associated with histological changes in the respiratory tract (68), and in California increases in calf mortality were associated with cold, wet, and windy weather in winter and, to less extent, with hot and dry weather in summer (107,108). Large diurnal variations in temperature (107) and relative humidity also may be important (105). Calves that were chilled when artificially infected with viruses were affected more severely and showed more extensive lung lesions (64).…”

Section: Physical Environmentmentioning

confidence: 99%

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Factors Affecting Susceptibility of Calves to Disease

Roy¹

1980

Journal of Dairy Science

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Enteric and respiratory disorders are the main hazards to successful calf rearing. The many interrelated factors in the etiology of these disorders are reviewed, and an attempt has been to classify the factors into those of a microbiological, immunological, nutritional, genetic, physical, or psychological nature. No one would dispute that enteric and respiratory disorders are the two main hazards to calf health, but many would argue about the relative importance of specific pathogens and other predisposing factors in the etiology of these disorders.

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A review of the environmental factors influencing calf respiratory disease

Roe

1982

Agricultural Meteorology

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Etiology and predisposing factors in respiratory disease of milk-fattened veal calves

Cited by 18 publications

References 5 publications

The effect of climatic housing and level of nutrition on the performance of calves

The effect of climatic housing and level of nutrition on the performance of calves

Factors Affecting Susceptibility of Calves to Disease

A review of the environmental factors influencing calf respiratory disease

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