Results 51 to 60 of about 635,398 (312)
Spillover of highly pathogenic avian influenza H5N1 virus to dairy cattle
NatureThe highly pathogenic avian influenza (HPAI) H5N1 virus clade 2.3.4.4b has caused the death of millions of domestic birds and thousands of wild birds in the USA since January 2022 (refs. 1–4).
L. Caserta +24 more
semanticscholar +1 more source
Genetic and environmental causes of variation in gestation length of Jersey crossbred cattle [PDF]
Veterinary World, 2016 Aim: The objective of this study was to investigate the effect of genetic and non-genetic factors and estimate the genetic parameter for gestation length (GL) of Jersey crossbred cattle.
Anshuman Kumar +3 more
doaj +1 more source
A comparative study on the blood and milk cell counts of healthy, subclinical and clinical mastitis Karan Fries cows [PDF]
Veterinary World, 2015 Aim: The present study was aimed to study the use of cell counts as an early indicator of mammary health. Materials and Methods: Milk and blood cell counts were estimated from 8 healthy, 8 subclinical (SCM), and 8 clinically mastitis (CM) groups of ...
Mohanned Alhussien +5 more
doaj +1 more source
Symposium review: Why revisit dairy cattle productive lifespan?
Journal of Dairy Science, 2020 Dairy cattle productive lifespan averages approximately 3 yr after first calving. Changes in the last decade in reproductive performance, genetic merit, and societal concerns regarding animal welfare and the environmental footprint of dairy products ...
A. De Vries
semanticscholar +1 more source
Frontiers in Genetics, 2023 Various methods have been proposed to estimate daily yield from partial yields, primarily to deal with unequal milking intervals. This paper offers an exhaustive review of daily milk yields, the foundation of lactation records.
Xiao-Lin Wu +11 more
doaj +1 more source
Computers and Electronics in Agriculture, 2020 Timely lameness detection is one of the major and costliest health problems in dairy cattle that farmers and practitioners haven't yet solved adequately.
Mohit Taneja +5 more
semanticscholar +1 more source
Gait assessment in dairy cattle
Animal, 2009 Lameness is one of the most important dairy cow welfare issues and has inspired a growing body of literature on gait assessment. Validation studies have shown that several methods of gait assessment are able to successfully distinguish cows with and without painful pathologies.
F.C. Flower, D.M. Weary
openaire +3 more sources
Sustainable Productivity Growth in Agriculture: The Role of Shifts in R&D Investments and Technology
Applied Economic Perspectives and Policy, EarlyView.ABSTRACT The objective of the paper is to evaluate the long‐term prospects of sustainable productivity growth linked to plausible assumptions on public agricultural R&D investments as the key productivity driver. Second, it investigates the role of changing R&D focus from yield maximization to input saving technologies (fertilizers and pesticides). The
Zuzana Smeets Křístková +4 more
wiley +1 more source
Advances in Reproduction in Dairy Cattle
Journal of Dairy Science, 1981 In 1956, Willett (185) reviewed developments in reproductive physiology and artificial insemination. His review dealt principally with dairy cattle, but it also encompassed relevant work with other species and summarized the state of the art at that time.
J H, Britt, N M, Cox, J S, Stevenson
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Foreign labor, peer‐networking and agricultural efficiency in the Italian dairy sector
Agribusiness, EarlyView.Abstract While the presence of immigrants in the agricultural sector is widely acknowledged, the empirical evidence on its economic consequences is lacking, especially from a microeconomic perspective. Using the Farm Accountancy Data Network panel data for Italian dairy farms in the period 2008–2018, the present study investigates the relationship ...
Federico Antonioli +2 more
wiley +1 more source