Bethany J Funnell,W Mark Hilton
Bethany J Funnell
Dystocia is an inevitable challenge in the livestock industries, particularly with primiparous female animals. Prevention and appropriate management will decrease cow and calf morbidity and mortality, which will improve the economic status ...
Nora Schrag,Robert L Larson
Nora Schrag
Accurate assessment of yearling bulls is important for the bottom line of all interested parties: the buyer, the seller, and the veterinarian performing the BSE. Special considerations and current research are highlighted and their applicat...
Robert O Gilbert
Robert O Gilbert
Postpartum diseases are common in dairy cows, and their incidence contributes to reduced fertility and increased risk of culling, making their prevention and management extremely important. Reproductive efficiency has a major impact on econ...
Ricardo C Chebel,Eduardo S Ribeiro
Ricardo C Chebel
Reproductive inefficiency compromises the profitability of dairy herds and the health and longevity of individual cows. In the average dairy herd, the combination of estrus detection and ovulation synchronization protocols yields the best e...
Matthew S Akins
Matthew S Akins
Heifer development depends on nutritional management decisions throughout all growing phases. Optimizing costs to raise heifers improves profitability of dairy farms. Feed costs for heifers make up 50% of heifer costs. Required growth rates...
Milton M McAllister
Milton M McAllister
Neosporosis is one of the most common and widespread causes of bovine abortion. The causative parasite is transmitted in at least two ways, horizontally from canids, and by endogenous transmission within maternal lines of infected cattle. T...
Robert L Larson,Brad J White
Robert L Larson
A systems approach to beef cattle reproduction facilitates evaluating the flow of cattle through the herd population based on temporal changes in reproductive and production state. The previous years' timing of calving has either a positive...
Patrick E Phillips,Marianna M Jahnke
Patrick E Phillips
Commercial embryo transfer has evolved as an art and as a science since the early 1970s. Today's multiple ovulation embryo transfer is a widely used reproductive tool on many farms and is performed by veterinarians throughout the world. Pro...
Diagnosis and Control of Viral Diseases of Reproductive Importance: Infectious Bovine Rhinotracheitis and Bovine Viral Diarrhea [0.03%]
生殖重要病毒性疾病的诊断与控制：牛传染性鼻气管炎和牛病毒腹泻
Benjamin W Newcomer,Daniel Givens
Benjamin W Newcomer
Both bovine viral diarrhea virus and bovine herpesvirus 1 can have significant negative reproductive impacts on cattle health. Vaccination is the primary control method for the viral pathogens in US cattle herds. Polyvalent, modified-live v...
Graham Clifford Lamb,Vitor R G Mercadante
Graham Clifford Lamb
Utilization of estrus or ovulation synchronization and fixed-timed artificial insemination (TAI) has facilitated the widespread utilization of artificial insemination (AI) and can greatly impact the economic viability of cow-calf systems by...