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Assessment of sperm morphology in Zebu bulls, under field conditions in the tropics
(Blackwell, 2001)
Sperm morphology was studied in 302 extensively managed Zebu bulls (aged 1.5-9 years), classified as sound (n = 166) or unsound (n = 136) for breeding, under field conditions in the dry tropics of Costa Rica. Single semen ...
Backfat thickness does affect the restoration of ovarian activita postpartum in different breeding programs in zebu cattle
(Frontiers in Veterinary Science, 2021-12-09)
The backfat thickness (BFT) was used to forecast the onset of ovarian activity and predict
the calf growth. Eighty Brahman cows with their calves were allocated in two groups
of 40 distributed in 4 months according to ...