postpartum Holstein dairy cows
Influences of Prefresh and Early Fresh Body Condition Score Changes on Some Holstein Dairy Performance Traits
... in Holstein dairy cows. For this purpose, 89 Holstein cows in a private high yielding dairy enterprise (average milk yield 8000 kg/season) were included in this ...of ...
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Monitoring liveweight to optimise health and productivity in pasture[ ]fed dairy herds : a dissertation presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy at Massey University
... 76 cows between 2002 and ...Zealand cows reached nadir BCS 14 days earlier and lost 22 kg LW less than the North American HF ...the Holstein gene in dairy cows had a positive effect on ...
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Analytical validation of bovine plasma ceruloplasmin measurement by p-phenylenediamine oxidation and effect of storage time and freezing temperature
... Ten Holstein dairy cows (age range 3–6 years) at their mid lactation (15–18 weeks postpartum) were included in this ...All cows originated from a herd of State of Brandenburg, Germany, ...
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Characterization of single nucleotide polymorphism in the 5'-untranslated region (5'-UTR) of Lactoferrin gene and its association with reproductive parameters and uterine infection in dairy cattle
... and postpartum uterine infection and some reproductive performance of Holstein dairy cattle using Allele Specific PCR method in ...in dairy cows in ...of cows without ...
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Measurement of Adiponectin in Lactating Dairy Cows And Adiponectin, Insulin, NEFA, and Glucagon concentrations during an IVGTT and an IVIT in Lactating vs. Non-lactating Holstein Cows
... and postpartum glucose infusions elicited a rise in circulating insulin concentrations, but the rise in insulin was significantly higher prepartum than ...nonpregnant Holstein cows have reported ...
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Effect of the first and second postpartum partial milking on blood serum calcium concentration in dairy cows
... in dairy cows ...of postpartum partial milking in the first two milkings on blood serum calcium concentration in dairy ...multiparous Holstein dairy cows were randomized ...
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The Impact of Season, Parity, and Volume of Colostrum on Holstein Dairy Cows Colostrum Composition
... older cows (more than 3rd parity). The cows in their first, second, and third parities were not significantly different with respect to their colostrum protein ...that cows in their third lactation ...
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The Relationships Between Milk Production and Some Blood Metabolites and Their Effects on Returning to Estrus in Lactating Holstein Dairy Cows
... There are numerous studies about direct effect of metabolites on reproductive tract and pregnancy failure. For example, Rabiee et al. (1999) recognized glucose as a major source of energy for the ovary; Canfield and ...
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Effects of abomasal infusion of long chain fatty acids on intake, feeding behaviour and milk production in dairy cows
... to dairy cows to increase the energy concentration of their diet; however, feeding fat often reduces dry matter intake (DMI), which limits its im- pact on metabolizable energy (ME) ...of dairy ...
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Postpartum Changes in Hormones and Metabolites During Early Lactation in Summer and Winter Calving Holstein Cows.
... Multiparous Holstein dairy cows were used for the summer (n=11) and winter trials (n=7) at North Carolina State ...calving cows began calving in early August of 2002 and the 12-week trial ...
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The influence of milking on the teat canal of dairy cows determined by ultrasonographic measurements
... Figure 2). These values seem higher compared to results of Geidel and Graff (2001) who found ex- tension of front teats of 17% on average and rear teats of about 24%. Based on the measurements in Holstein ...
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Furosemide Induced Electrocardiographic Alterations in High Producing Holstein Dairy Cows
... in dairy cows but there are different side effects such as acid-base and electrolyte imbalances which may affect the electrocardiographic ...4-year-old Holstein dairy cows at their ...
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Relationship between season, lactation number and incidence of clinical mastitis in different stages of lactation in a Holstein dairy farm
... In spring and winter, occurrence of clinical mastitis in primiparous cows increased in early lactation period and in multiparous cows increased in late lactation period. The high percentage of humidity in ...
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Impact of Feeding of Legume‑Cereal mixture Silages on Dairy Cow Milk Thermostability and Quality
... The samples were preserved with bronopol (0.03 %) and stored in a refrigerator. Then the samples were transported in cold conditions (< 8 °C) to an accredited dairy laboratory (LRM Buštěhrad, ČMSCH a.s.) and ...
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The Effects of Evaporative Cooling on Folliculogenesis and Ovarian Hormones during the Estrous Cycle of Dairy Holstein Cows during the Summer Months in Saudi Arabia
... in cows in HS environ- ...HS cows, could not explain the underlying cause of such a phenomenon, since serum and follicular fluid E2 concentrations were increased in winter rather than summer, even in the ...
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The effect of low and high barn temperatures on behaviour and performance of Holstein dairy cows
... dry cows; however, the authors admited that cows in pens or on pasture may exhibit no ...the cows show no overall laterality as a group, they still may have a strong preference as individuals ...
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The Effect of Low Air Temperature on Behaviour and Milk Production in Holstein Dairy Cows
... a dairy cow which is housed in ideal conditions of stable environment and is not exposed to any stress can provide maximum milk performance (to the intent of its physiologic ...
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Predictive characteristics of lactation models for pasture based Holstein Friesian dairy cows
... Dairy Science 2007, Meeting the Challenges for PastureBased Dairying’, Proceedings of the 3rd Australasian Dairy Science Symposium, The University of Melbourne, Victoria, Australia, 3:42[r] ...
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Contribution of domestic and Interbull records to reliabilities of single step genomic breeding values in dairy cattle
... Pribyl J., Haman J., Kott T., Pribylova J., Simeckova M., Vostry L., Zavadilova L., Cermak V., Ruzicka Z., Splichal J., Verner M., Motycka J., Vondrasek L. (2012): Single-step prediction of genomic breeding value in a ...
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Effect Year of Calving and Parity on the Productive Performance of Holstein Friesian Cows in Vom Nigeria
... In the present study, there was definite increment of LMY from parity 1 to parity 3 (4659 litres – 5688 litres) and then decline from parity 3 (5688) to parity 6 (5199l) before increasing again in the seventh parity ...
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