|Djurhälsa år 2013|
JO 25 SM 1401
| Första sidan - I korta drag
Statistiken med kommentarer|
Tabeller Fakta om statistiken
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Calf mortality among different breeds of cattle
Table 1 shows the number of calves that die within a month after birth and is organised after sex and breed. Mortality is generally somewhat higher for bull calves than for heifer calves.
Frequency of disease in dairy herds of various sizes
Comparisons between different herd sizes have been made regarding the occurrence of a number of diseases. Milk fever and ketosis decrease with increasing herd size, while the occurrence of mastitis and other diseases increases. One reason some diseases show an increased frequency with larger herds might be that many animals being held in the same building increase the infection pressure. The results show that the most apparent decrease with large herds are feeding related diseases. It can be assumed that in larger herds a larger number of technological solutions are available for optimisation and control of animal feeding.
Retention of afterbirth, teat injuries and delivery problems are other disease that are presented in this report.
Frequency of disease in dairy herds from different breeds
Swedish Friesian and Swedish Jersey have the greatest occurrence of diseases compared within other breeds.
Occurrence of colic in horses – seasonal variations
A comparison of colic cases per month was compiled for the three regions in Sweden: Götaland (south of Sweden), Svealand (middle) and Norrland (north). The extent of colic cases is markedly low during the summer months. The diagnoses included in the term “colic” are impaction colic (constipation), incarceration colic, displacement colic, abdominal pain as well as all other diagnoses that include the term “colic.”
These statistics are primarily based on veterinary reports submitted to the central database of the Swedish Board of Agriculture. The national industry organisation Växa Sverige has compiled the data for “Frequency of disease in dairy herds of various sizes,” while information for “Calf mortality among different breeds of cattle” was collected from the central animal database where every cattle owner reports animal transports, births and deaths.