Raising dairy replacements to meet the needs of the 21st century
AJ Heinrichs - Journal of dairy science, 1993 - Elsevier
Producing high quality replacement heifers at minimum cost will be one of the many
challenges facing the dairy farm of the 21st century. Because replacement heifers represent …
challenges facing the dairy farm of the 21st century. Because replacement heifers represent …
Heifer fertility and carry over consequences for life time production in dairy and beef cattle
The rearing period has a key influence on the later performance of cattle, affecting future
fertility and longevity. Producers usually aim to breed replacement heifers by 15 months to …
fertility and longevity. Producers usually aim to breed replacement heifers by 15 months to …
Morbidity in Swedish dairy calves from birth to 90 days of age and individual calf-level risk factors for infectious diseases
The health of 3081 heifer calves born in 122 dairy herds in the south-west of Sweden from 1
January to 31 December, 1998, was monitored from birth until 90 days of age. The calves …
January to 31 December, 1998, was monitored from birth until 90 days of age. The calves …
[HTML][HTML] A prospective study of calf factors affecting first-lactation and lifetime milk production and age of cows when removed from the herd
This prospective study was designed to investigate possible carryover effects of calf
management practices and how events occurring during the first 16 wk of life affect first …
management practices and how events occurring during the first 16 wk of life affect first …
Control, management, and prevention of bovine respiratory disease in dairy calves and cows
Despite advances in veterinary medicine, animal husbandry, and animal welfare, respiratory
disease among dairy calves and cows continues to be a major problem for dairy producers …
disease among dairy calves and cows continues to be a major problem for dairy producers …
[HTML][HTML] Effect of preweaning disease on the reproductive performance and first-lactation milk production of heifers in a large dairy herd
A Abuelo, F Cullens, JL Brester - Journal of Dairy Science, 2021 - Elsevier
Raising replacement heifers represents a substantial cost in dairy farms, with reproductive
efficiency being one of the main factors driving the total rearing cost. Diseases during the …
efficiency being one of the main factors driving the total rearing cost. Diseases during the …
Developmental programming of fertility in cattle—is it a cause for concern?
DC Wathes - Animals, 2022 - mdpi.com
Simple Summary Poor fertility is the main reason for premature culling of cattle. Dam factors
and external variables can both influence how the calf fetus develops, known as fetal …
and external variables can both influence how the calf fetus develops, known as fetal …
[HTML][HTML] The effect of respiratory disease and a preventative antibiotic treatment on growth, survival, age at first calving, and milk production of dairy heifers
Bovine respiratory disease complex (BRD) is a common disease in weaned dairy calves that
incurs economic and welfare costs. This study was an extension of a randomized clinical …
incurs economic and welfare costs. This study was an extension of a randomized clinical …
Impact of 2 versus 1 colostrum meals on failure of transfer of passive immunity, pre-weaning morbidity and mortality, and performance of dairy calves in a large dairy …
A Abuelo, F Cullens, A Hanes, JL Brester - Animals, 2021 - mdpi.com
Simple Summary This retrospective study of records from a dairy farm explored the impact of
receiving a second feeding of colostrum 5–6 h after an initial meal of 3 L of quality-tested …
receiving a second feeding of colostrum 5–6 h after an initial meal of 3 L of quality-tested …
[HTML][HTML] Importance of viral disease in dairy cow fertility
DC Wathes, CF Oguejiofor, C Thomas, Z Cheng - Engineering, 2020 - Elsevier
Many viral diseases are endemic in cattle populations worldwide. The ability of many viruses
to cross the placenta and cause abortions and fetal malformations is well understood. There …
to cross the placenta and cause abortions and fetal malformations is well understood. There …