Results 91 to 100 of about 16,352 (199)
Effects of Semen Sexing Agent (Heifer-PlusTM) in Dairy Cow Reproduction
Scientific Papers Animal Science and Biotechnologies, 2023 This study was conducted to investigate the use cryopreserved bovine sperm treated with Heifer-PlusTM Prefreeze kit and its effect on pregnancy rates calf sex ratio embryonic death, abortion, stillbirth and twinning rates in Holstein Friesian cows A ...
Constantin Găvan, Mihaela Riza
doaj
Nutrient data from US manure systems from 2012 to 2022: Spatial and temporal trends
Journal 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
Northern bobwhites select for native grasses on working grazing land
The Journal of Wildlife Management, Volume 90, Issue 7, September 2026.Northern bobwhites in eastern Kentucky selected for native warm‐season grasses at multiple spatial scales in an environment dominated by exotic cool‐season grass cattle forage. Our study suggests that incorporating native warm‐season grass cattle forages into existing operations across the southeastern United States may be a viable working‐lands ...
Douglas B. Mitchell +6 more
wiley +1 more source
Dairy Heifer Project 2021-handbook
, 2021 Any active 4-H or FFA member, age 5-17, can raise and show a registered dairy heifer for 18 months in the South Carolina Dairy Heifer Project.
Clemson University. Cooperative Extension Service
core +1 more source
Journal of Sustainable Agriculture and Environment, Volume 5, Issue 3, September 2026.ABSTRACT Agriculture, particularly beef production, accounts for a significant share of global greenhouse gas (GHG) emissions, requiring substantial mitigation. Precision livestock farming (PLF) technologies offer a potential solution to indirectly reduce GHG emissions by increasing production efficiencies.
Louise C. McNicol +4 more
wiley +1 more source
Replacement Beef Heifer Economics [PDF]
, 1991 The nutritional management of weaned heifer calves affects not only the conception rate of yearling heifers but also their subsequent conception rate as 2-year-old cows and the weight of their first weaned calf.
Feuz, D. M.
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Aminoaciduria Caused by Fanconi Syndrome in a Heifer
Journal of Veterinary Internal Medicine, 2017 A case study of renal tubular dysfunction consistent with idiopathic Fanconi syndrome is reported in an 18‐month‐old Holstein heifer. The clinical, biochemical, and histopathological features are described.
N. Cesbron +4 more
doaj +1 more source
Veterinary Medicine and Science, Volume 12, Issue 5, September 2026.This study aims to determine the economic impacts of the major agents causing diarrhoea in newborn calves using Monte Carlo simulation and decision tree analysis. According to the study results, the cost per animal was $13.7 for healthy calves without diarrhoea.
Mehmet Küçükoflaz +7 more
wiley +1 more source
¿PUEDEN SER LA CABRAS UN VEHICULO PARA SALIR DE LA POBREZA?
, 2009 Belsi, is a small village of 79 households in Chitwan district of Nepal with lush green fields, vegetable gardens and concrete houses. One can hardly imagine the plight it suffered just a decade ago.
Mahato, Shubh N. +1 more
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Congenital double cervix abnormality in a heifer [PDF]
Eurasian Journal of Veterinary SciencesIn this report, a case of double cervix which is congenital anotomical defect of the female reproductive tract was described in a Brown Swiss heifer. The caudal portion of cervical canal bifurcated although ovarium, oviduct, comu uteri and corpus uteri ...
Mustafa Sönmez, Murat Yüksel
doaj