Đây là examples của từ liên quan đến calf. Nhấp vào bất kỳ từ nào để đến trang chi tiết của từ đó. Hoặc, đi tới định nghĩa của calf.
Production of cloned calves following nuclear transfer with cultured adult mural granulosa cells.
Therefore, during the simulation of our models, we take samples from individual calves according to the actual sampling dates.
Therefore, we introduce calves into our models according to their actual dates of birth.
Weaned beef and dairy calves have been reported to have a higher prevalence of infection than unweaned calves [22, 25, 44].
Even more prominent differences were observed between calves infected with the above-mentioned isolates.
The parasite mainly affects first grazing season calves causing diarrhoea, malabsorption of nutrients and, in severe cases, death.
Evidence for genetic control of nematode eggshedding rates in calves.
Nevertheless, calves from all groups developed serious disease following the challenge infection.
Finally, although a substantial degree of immunity was induced by the primary infection, it was insufficient to protect calves from lungworm disease after challenge.
Eight calves cloned from somatic cells of a single adult.
To confirm the immune status of the calves, reductions in worm burdens were measured after treatment with benzimidazoles at housing and at subsequent challenge infection.
Rectal samples were obtained aseptically from calves by rectal palpation.
Blood samples were obtained from calves 48 h after birth and then approximately every 7 weeks through weaning.
The limited numbers of calves preclude using these data to estimate the percentage of calves susceptible to infection from low dose exposures.
Approximately 20 weaned heifer calves were selected each year as replacements for dams culled from the herd.
