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Health and production benefits in veal calves born from NCD and BRD vaccinated cows
Chanteperdrix, M.; Mounaix, B...
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Objectives: Neonatal calf diarrhea (NCD) and bovine respiratory disease (BRD) are the most important health problems in veal calves. Given the increased pressure to reduce intensive antimicrobial use, vaccination may be an efficient measure to reduce the use of antibiotics in the treatment and prevention of BRD and NCD in young animals. Passive immunity transfer from vaccinated dams may be applied for the prevention of NCD whereas BRD protection can be provided by vaccinating the calves but also by passive immunity transfer.
The objective of this study was to measure the benefit of vaccinating pregnant cows against NCD and BRD (Rotavec® Corona and Bovilis® Bovipast RSP) on the health and production in veal calves.
Materials and methods: 211 calves that received adequate colostrum from cows vaccinated with inactivated mul- tivalent vaccines against NCD (Rotavec Corona) and BRD (Bovilis Bovipast RSP) (V2+) and 220 calves without known history (V-) were equally divided over 10 veal farms at an age of at least 14 days and compared for clinical NCD, BRD, weight and general condition at 3 (d3) and 45 (d45) days post arrival, antibiotic treatments, mortality and carcass weight.
Results: At d3, V2+ (11.4%) had less clinical BRD compared to V- (19.1%) (P=0.028). The weight at d3 was higher (P=0.026) in V2+ compared to V- and the calves in V2+ were in better condition. The mortality in V2+ (2.8%) was signifi- cantly (P=0.01) lower than V- (11.8%). The odds of mortality in V2+ was 4.57 times lower than in V- (P=0.01). V2+ received about one antibiotic treatment less compared to V- (P=0.02) (3.5 versus 2.9). All other measured parameters were not statistically significant different, which is not surprising for NCD at d3 and d45 post arrival as NCD occurs mainly before arrival at the veal unit.
Conclusions: This study clearly describes several health and production benefits in veal calves receiving adequate colostrum from mother cows that were vaccinated against NCD and BRD (respectively with Rotavec Corona and Bovilis Bovipast RSP). It reinforces the interest to strengthen the relationship between the dairy and veal sector, in order for health investments in dairy calves (e.g. vaccination) to be appreciated by the benefiting veal producers.
Keywords: Veal, mother vaccination, BRD, scours, benefits.
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Affiliation of the authors at the time of publication
Institut de l’Elevage, Paris, France;
Oniris, site de la Chantrerie, Nantes, France;
MSD Santé Animale, Beaucouzé, France;
MSD Animal Health, Boxmeer, Netherlands.
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