Factors associated with body weight of young surplus dairy calves on arrival to a calf rearing facility

Rot, C.; Creutzinger, K.C.; Goetz, H.M.; Winder, Charlotte B.; Morrison, Jannelle; Conboy, Meridith H.; Bajus, A.; Renaud, D.L.

doi:10.1016/j.prevetmed.2022.105630

Cited by 10 publications

(2 citation statements)

References 34 publications

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“…Conversely, a higher body weight at birth has been associated with a lower incidence of respiratory disease and diarrhea in the two weeks following arrival on farm after transportation [ 39 ]. Rot et al [ 40 ] also reported that greater body weight at birth was one of the most consistent predictors of future mortality and morbidity at calf-rearing facilities. In the present study, the average weight at 77 days (post-weaning period) was 84.72 ± 8.90 kg ( Figure 2 ).…”

Section: Resultsmentioning

confidence: 99%

Growth Performance and Feed Intake Assessment of Italian Holstein Calves Fed a Hay-Based Total Mixed Ration: Preliminary Steps towards a Prediction Model

Cavallini,

Raspa,

Marliani

et al. 2023

Veterinary Sciences

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The aim of this study was to evaluate the effects of a complete hay-based total mixed ration (TMR) for calves, focusing on their feed intake, animal growth performance, and fecal output, and to develop a preliminary estimation equation for solid feed intake and body weight in Holstein heifer calves. Twenty female Italian Holstein calves (37.14 ± 2.72 kg) born between February and July were studied from the day of birth until 77 days of age. From the fourth day of life, they were fed 3 L/day of pasteurized milk twice daily and supplemented with the same hay-based TMR. The data on feed intake, fecal characteristics, and growth performances were collected and showed that these calves had adequate parameters. Moreover, the data collected was used to create equations to predict body weight and solid feed intake using a mixed model. The goodness of fit of the developed equations was evaluated by coefficients of determinations (R2). The equation obtained shows high R2 (0.98 for solid feed intake and 0.99 for calf weight), indicating the satisfactory precision and accuracy needed to predict female calves’ body weight and solid feed intake.

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Section: Resultsmentioning

confidence: 99%

Growth Performance and Feed Intake Assessment of Italian Holstein Calves Fed a Hay-Based Total Mixed Ration: Preliminary Steps towards a Prediction Model

Cavallini,

Raspa,

Marliani

et al. 2023

Veterinary Sciences

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“…High pre-weaning growth rates and weaning weights contribute to the increased profitability of dairy cows during the production phase [ 1 ]. However, there are factors that can significantly affect the growth of pre-weaning dairy calves, such as nutritional imbalances, diseases, and dysbiosis of the gut microbiota [ 2 , 3 , 4 ]. There is increasing evidence that animal health and growth can be affected by gut microbiota [ 3 , 5 ].…”

Section: Introductionmentioning

confidence: 99%

Beta-Glucan Alters Gut Microbiota and Plasma Metabolites in Pre-Weaning Dairy Calves

Luo

Zhou

et al. 2022

Metabolites

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The present study aims to evaluate the alterations in gut microbiome and plasma metabolites of dairy calves with β-glucan (BG) supplementation. Fourteen healthy newborn dairy calves with similar body weight were randomly divided into control (n = 7) and BG (n = 7) groups. All the calves were fed on the basal diet, while calves in the BG group were supplemented with oat BG on d 8 for 14 days. Serum markers, fecal microbiome, and plasma metabolites at d 21 were analyzed. The calves were weaned on d 60 and weighed. The mean weaning weight of the BG group was 4.29 kg heavier than that of the control group. Compared with the control group, the levels of serum globulin, albumin, and superoxide dismutase were increased in the BG group. Oat BG intake increased the gut microbiota richness and decreased the Firmicutes-to-Bacteroidetes ratio. Changes in serum markers were found to be correlated with the plasma metabolites, including sphingosine, trehalose, and 3-methoxy-4-hydroxyphenylglycol sulfate, and gut microbiota such as Ruminococcaceae_NK4A214, Alistipes, and Bacteroides. Overall, these results suggest that the BG promotes growth and health of pre-weaning dairy calves by affecting the interaction between the host and gut microbiota.

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Livestock haulers' views about dairy cattle transport in Atlantic Canada

Hendricks

Roche²,

Proudfoot

et al. 2023

Journal of Dairy Science

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Factors associated with body weight of young surplus dairy calves on arrival to a calf rearing facility

Cited by 10 publications

References 34 publications

Growth Performance and Feed Intake Assessment of Italian Holstein Calves Fed a Hay-Based Total Mixed Ration: Preliminary Steps towards a Prediction Model

Growth Performance and Feed Intake Assessment of Italian Holstein Calves Fed a Hay-Based Total Mixed Ration: Preliminary Steps towards a Prediction Model

Beta-Glucan Alters Gut Microbiota and Plasma Metabolites in Pre-Weaning Dairy Calves

Livestock haulers' views about dairy cattle transport in Atlantic Canada

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