Bovine Colostrum Management and the Factors Influencing its Quality
Scientific Papers Animal Science and Biotechnologies, 2023 The mammary gland's secretion, called colostrum, is synthesized throughout the last weeks of pregnancy and the first few days following calving. It is meant to give the calf the necessary nutrients and physiologically active substances.
Adina-Mirela Ariton +4 more
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The Quality of Colostrum and Its Effects on Calves Growth Characteristics in Holstein Cattle [PDF]
Journal of Agricultural Sciences, 2007 This study was carried out to determine colostrum quality in Holstein Cows. Colostrum quality has been estimated by using a colostrometer. The colostrometer works by measuring the specific gravity of colostrum and then takein advantage of the linear ...
Kö -, Ali Kaygısız, Mustafa Köse
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Colostrum Quality Assessment in Dairy Goats: Use of an On-Farm Optical Refractometer [PDF]
Biology, 2023 Failure of passive immunity transfer is one of the main causes of increased susceptibility to infectious agents in newborn kids. To ensure successful transfer of passive immunity, kids need to be fed high-quality colostrum, containing an adequate ...
Carlos C. Pérez-Marín +6 more
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Factors Associated with Colostrum Quality and Effects on Serum Gamma Globulin Concentrations of Calves in Swiss Dairy Herds. [PDF]
J Vet Intern Med, 2017 Previous studies have shown a high prevalence of failure of passive transfer of immunity (FPT) in Swiss dairy calves.; To investigate risk factors associated with poor colostrum quality and FPT on Swiss dairy farms.; Colostrum and serum samples from 373 ...
Reschke C +4 more
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Indirect quantification of IgG using a digital refractometer, and factors associated with colostrum quality in Norwegian Red Cattle [PDF]
Acta Veterinaria Scandinavica, 2019 Background There is an increased interest in using digital refractometers to indirectly assess colostrum quality of dairy cattle, but knowledge on diagnostic accuracy for Norwegian Red dairy cows is lacking.
Julie Føske Johnsen +5 more
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Suitability of Protein Content Measured by MilkoScan FT-Plus Milk Analyzer to Evaluate Bovine and Ovine Colostrum Quality [PDF]
Animals, 2021 The objective of this study was to evaluate MilkoScan FT-plus for the estimation of the immunoglobulin G (IgG) content in bovine and ovine colostrum. Between April and May 2016, a total of 94 colostrum samples (54 from Simmental dairy cows and 39 from ...
Anna Antonella Spina +4 more
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Revista Brasileira de Zootecnia, 2019 The objective of this study was to evaluate passive immunity transfer, health, performance, and metabolism of Holstein calves fed colostrum supplement associated with medium-quality colostrum.
Marília Ribeiro De Paula +5 more
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Scientific ReportsFifty Holstein calves were allocated in randomized blocks and distributed in a 2 × 2 factorial arrangement; (A) two sources of Ig: (1) Control: bovine colostrum (25% Brix); (2) Enriched colostrum: mid-quality bovine colostrum (20% Brix) enriched with ...
Ana Paula Silva +6 more
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Comparison of radial immunodiffusion, turbidimetric immunoassay, and Brix refractometry for determining bovine colostrum quality [PDF]
JDS CommunicationsDetermining the concentration of IgG in colostrum is critical for assessment of colostrum quality. On-farm use of a Brix refractometer to estimate colostrum IgG concentration is widespread, whereas radial immunodiffusion (RID) is the laboratory reference
T.A. Westhoff +2 more
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Colostrum Quality as an Indicator of the Immune Status of Cows and Its Association with Peripartum Disease Risk in a Grazing Dairy Herd [PDF]
AnimalsThis study aimed to evaluate the association between colostrum quality, as indicative of the immune status of the cows, and peripartum disease risk occurrence in a herd of grazing dairy cows.
Maria Jaureguiberry +9 more
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