Results 51 to 60 of about 148,897 (216)

Meta-analysis of the effects of monensin on performance of beef replacement heifers and beef cows

open access: yesTranslational Animal Science, 2022
Abstract Although performance benefits of monensin have been extensively studied in finishing cattle, growing cattle, and dairy cows, considerably less published work is available evaluating response to monensin supplementation in cow-calf production systems.
Shane Gadberry   +5 more
openaire   +2 more sources

Human–Animal Comparisons: Supporting and Criticizing Female Subjugation in Renaissance Italy

open access: yesRenaissance Studies, EarlyView.
ABSTRACT Studying gender history through an animal history lens, or vice versa, simultaneously increases our knowledge of ideas about gender and human–animal relations. This approach has particular merit for the Renaissance period, as it witnessed an upsurge in discourse about both the human–animal divide and the distinction between men and women.
Marlisa den Hartog
wiley   +1 more source

Safe and Stable Germline Transmission of MSTN Mutations in Cattle

open access: yesAnimal Genetics, Volume 57, Issue 5, October 2026.
ABSTRACT With the global population expected to reach 10 billion by 2050, sustainable livestock production is critical. Gene editing of the myostatin (MSTN) gene represents a promising strategy to enhance muscle growth in cattle. In this study, MSTN‐mutated founder (F0) cows were used to generate F1 offspring via ovum pick‐up, in vitro fertilization ...
Gyeong‐Min Gim   +10 more
wiley   +1 more source

Introduced dung beetles suppress methane emissions from cattle dung and alter the temporal dynamics of greenhouse gas flux Los escarabajos peloteros introducidos suprimen las emisiones de metano del estiércol de ganado y alteran la dinámica temporal del flujo de gases de efecto invernadero Besouros coprófagos introduzidos suprimem as emissões de metano do esterco bovino e alteram a dinâmica temporal do fluxo de gases de efeito estufa

open access: yesEcological Entomology, Volume 51, Issue 5, Page 1025-1035, October 2026.
Dung beetles suppressed cumulative methane flux from cattle dung by 85% and reduced total greenhouse gas emissions by 18%. Beetle activity accelerated initial CO2 release but did not alter total cumulative flux. N2O and NH3 fluxes were transient and not consistently driven by beetle presence.
Jean Holley   +2 more
wiley   +1 more source

Ethanolamine plasmalogens increase luteinising hormone pulsatility and are associated with GPR61 expression in bovine gonadotrophin‐releasing hormone neurons

open access: yesJournal of Neuroendocrinology, Volume 38, Issue 10, October 2026.
Ethanolamine plasmalogens increased LH pulse frequency. GPR61 was expressed in GnRH neurons and gonadotrophs, suggesting a role in neuroendocrine regulation. Ethanolamine plasmalogens (EPls), but not choline plasmalogens (CPls), may act via GPR61 expressed in GnRH neurons in the preoptic area and in anterior pituitary gonadotrophs.
Hiroya Kadokawa   +4 more
wiley   +1 more source

Effect of butorphanol in combination with xylazine during castration of calves: A randomised trial under field conditions

open access: yesVeterinary Record, Volume 199, Issue 6, Page e298-e303, 19/26 September 2026.
Abstract Background In horses, cats and dogs, the opioid butorphanol has been proven effective in management of visceral pain and for peri‐ and postoperative pain relief. The aim of this study was to evaluate physiological responses and indicators of noxious stimuli when adding butorphanol to xylazine for sedation of bull calves during surgical ...
Axel Sannö   +3 more
wiley   +1 more source

Manejo de novilhas prenhes aos 13/15 meses de idade em sistemas a pasto Pregnant heifers management at 13/15 months of age in grazing systems

open access: yesRevista Brasileira de Zootecnia, 2008
O trabalho foi realizado para avaliar o desenvolvimento de 32 novilhas primíparas gestantes Aberdeen Angus e mestiças Angus recriadas e acasaladas dos 13 aos 15 meses de idade.
Alcides Pilau   +1 more
doaj   +1 more source

Assessment of current colostrum feeding practices and passive transfer of immunity in dairy herds in Great Britain: A cross‐sectional study

open access: yesVeterinary Record, Volume 199, Issue 6, Page e262-e271, 19/26 September 2026.
Abstract Background Updated targets for measuring transfer of passive immunity (TPI) at the herd level have been suggested, but the current performance of dairy herds in Great Britain is unknown. Methods A cross‐sectional study was performed. Serum total protein (STP) data collected between October 2022 and October 2023 by 21 veterinary practices were ...
George Lindley   +3 more
wiley   +1 more source

Live animal measurements, carcass composition and plasma hormone and metabolite concentrations in male progeny of sires differing in genetic merit for beef production [PDF]

open access: yes, 2009
peer-reviewedIn genetic improvement programmes for beef cattle, the effect of selecting for a given trait or index on other economically important traits, or their predictors, must be quantified to ensure no deleterious consequential effects go unnoticed.
Evans, R. D.   +5 more
core   +1 more source

Nutrient data from US manure systems from 2012 to 2022: Spatial and temporal trends

open access: yesJournal of Environmental Quality, Volume 55, Issue 5, September/October 2026.
Abstract Most published manure nutrient concentration approximations (book values) used today were derived from manure data prior to 2003 and do not reflect potential differences across US regions. Using ManureDB data, the University of Minnesota database with manure total nitrogen (N), ammonium‐N (NH4‐N), phosphorus (P2O5), and potassium (K2O) data ...
Nancy L. Bohl Bormann   +7 more
wiley   +1 more source

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