A Pilot Study To Evaluate The Effect Of A Novel Calcium And Vitamin D-Containing Oral Bolus On Serum Calcium Levels In Holstein Dairy Cows Following Parturition

Daniel A Shock,1 Steven M Roche,1 Rachel Genore,1,2 Merle E Olson3 1Agricultural Communications and Epidemiological Research (ACER) Consulting, Guelph, Ontario, Canada; 2Heartland Veterinary Services, Listowel, Ontario, Canada; 3Solvet Animal Health, Calgary, Alberta, CanadaCorrespondence: Daniel A...

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Autores principales:	Shock DA, Roche SM, Genore R, Olson ME
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2019
Materias:	hypocalcemia milk fever calcium supplementation parturition dairy cow. Veterinary medicine SF600-1100
Acceso en línea:	https://doaj.org/article/5f7460596fe84a54ae8e58292d77ee58
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spelling	oai:doaj.org-article:5f7460596fe84a54ae8e58292d77ee582021-12-02T06:58:13ZA Pilot Study To Evaluate The Effect Of A Novel Calcium And Vitamin D-Containing Oral Bolus On Serum Calcium Levels In Holstein Dairy Cows Following Parturition2230-2034https://doaj.org/article/5f7460596fe84a54ae8e58292d77ee582019-11-01T00:00:00Zhttps://www.dovepress.com/a-pilot-study-to-evaluate-the-effect-of-a-novel-calcium-and-vitamin-d--peer-reviewed-article-VMRRhttps://doaj.org/toc/2230-2034Daniel A Shock,1 Steven M Roche,1 Rachel Genore,1,2 Merle E Olson3 1Agricultural Communications and Epidemiological Research (ACER) Consulting, Guelph, Ontario, Canada; 2Heartland Veterinary Services, Listowel, Ontario, Canada; 3Solvet Animal Health, Calgary, Alberta, CanadaCorrespondence: Daniel A ShockAgricultural Communications and Epidemiological Research (ACER) Consulting, 100 Stone Road West, Unit 103A, Guelph, Ontario N1G 5L3, CanadaTel +1-519-362-1142Email dshock@acerconsult.caBackground: The initiation of lactation challenges the ability of the modern lactating cow to maintain calcium homeostasis, and typically results in a drop in blood calcium levels, leading to mobilization of calcium reserves from skeletal stores. As such, the recommendation to provide supplemental calcium at parturition to older cows has become an industry-standard practice.Methods: Mature cows were treated at calving and 12 hrs later with either the novel calcium bolus (NB) or a commercially available calcium bolus (CB). Blood was collected from animals at 0, 1, 6, 12, 13, and 24 hrs following calving, and the resulting serum samples were analyzed.Results: Overall, there was no statistical difference between the NB and CB groups for blood calcium levels within the first 24 hrs following parturition (P = 0.50). Cows in both groups experienced a significant increase in serum calcium by 1 hr after parturition; however, this increase was not sustained through subsequent sampling times.Conclusion: This pilot study demonstrates that both boluses have a similar effect in the elevation of blood calcium.Keywords: hypocalcemia, milk fever, calcium supplementation, parturition, dairy cowShock DARoche SMGenore ROlson MEDove Medical Pressarticlehypocalcemiamilk fevercalcium supplementationparturitiondairy cow.Veterinary medicineSF600-1100ENVeterinary Medicine: Research and Reports, Vol Volume 10, Pp 151-158 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	hypocalcemia milk fever calcium supplementation parturition dairy cow. Veterinary medicine SF600-1100
spellingShingle	hypocalcemia milk fever calcium supplementation parturition dairy cow. Veterinary medicine SF600-1100 Shock DA Roche SM Genore R Olson ME A Pilot Study To Evaluate The Effect Of A Novel Calcium And Vitamin D-Containing Oral Bolus On Serum Calcium Levels In Holstein Dairy Cows Following Parturition
description	Daniel A Shock,1 Steven M Roche,1 Rachel Genore,1,2 Merle E Olson3 1Agricultural Communications and Epidemiological Research (ACER) Consulting, Guelph, Ontario, Canada; 2Heartland Veterinary Services, Listowel, Ontario, Canada; 3Solvet Animal Health, Calgary, Alberta, CanadaCorrespondence: Daniel A ShockAgricultural Communications and Epidemiological Research (ACER) Consulting, 100 Stone Road West, Unit 103A, Guelph, Ontario N1G 5L3, CanadaTel +1-519-362-1142Email dshock@acerconsult.caBackground: The initiation of lactation challenges the ability of the modern lactating cow to maintain calcium homeostasis, and typically results in a drop in blood calcium levels, leading to mobilization of calcium reserves from skeletal stores. As such, the recommendation to provide supplemental calcium at parturition to older cows has become an industry-standard practice.Methods: Mature cows were treated at calving and 12 hrs later with either the novel calcium bolus (NB) or a commercially available calcium bolus (CB). Blood was collected from animals at 0, 1, 6, 12, 13, and 24 hrs following calving, and the resulting serum samples were analyzed.Results: Overall, there was no statistical difference between the NB and CB groups for blood calcium levels within the first 24 hrs following parturition (P = 0.50). Cows in both groups experienced a significant increase in serum calcium by 1 hr after parturition; however, this increase was not sustained through subsequent sampling times.Conclusion: This pilot study demonstrates that both boluses have a similar effect in the elevation of blood calcium.Keywords: hypocalcemia, milk fever, calcium supplementation, parturition, dairy cow
format	article
author	Shock DA Roche SM Genore R Olson ME
author_facet	Shock DA Roche SM Genore R Olson ME
author_sort	Shock DA
title	A Pilot Study To Evaluate The Effect Of A Novel Calcium And Vitamin D-Containing Oral Bolus On Serum Calcium Levels In Holstein Dairy Cows Following Parturition
title_short	A Pilot Study To Evaluate The Effect Of A Novel Calcium And Vitamin D-Containing Oral Bolus On Serum Calcium Levels In Holstein Dairy Cows Following Parturition
title_full	A Pilot Study To Evaluate The Effect Of A Novel Calcium And Vitamin D-Containing Oral Bolus On Serum Calcium Levels In Holstein Dairy Cows Following Parturition
title_fullStr	A Pilot Study To Evaluate The Effect Of A Novel Calcium And Vitamin D-Containing Oral Bolus On Serum Calcium Levels In Holstein Dairy Cows Following Parturition
title_full_unstemmed	A Pilot Study To Evaluate The Effect Of A Novel Calcium And Vitamin D-Containing Oral Bolus On Serum Calcium Levels In Holstein Dairy Cows Following Parturition
title_sort	pilot study to evaluate the effect of a novel calcium and vitamin d-containing oral bolus on serum calcium levels in holstein dairy cows following parturition
publisher	Dove Medical Press
publishDate	2019
url	https://doaj.org/article/5f7460596fe84a54ae8e58292d77ee58
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A Pilot Study To Evaluate The Effect Of A Novel Calcium And Vitamin D-Containing Oral Bolus On Serum Calcium Levels In Holstein Dairy Cows Following Parturition

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