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Journal articles on the topic 'Holstein-Jersey'

Author: Grafiati

Published: 4 June 2021

Last updated: 5 February 2022

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1

Schwager-Suter, R., C. Stricker, D. Erdin, and N. Künzi. "Net energy efficiencies of Holstein, Jersey and Holstein-Jersey F1-crosses." Animal Science 72, no. 2 (2001): 335–42. http://dx.doi.org/10.1017/s1357729800055831.

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Abstract Net energy efficiencies were calculated from data of an experimental herd with respect to type of cow, lactation number, stage of lactation and diet. The trial consisted of 71 Holstein-Friesians, 71 Jerseys and 71 Holstein-Jersey F1-crosses in 1st, 2nd and > 2nd lactation. Data were collected during 210 days of lactation, from calving to week 30 and included total dry matter intake, energy content of foods, milk yield, milk solids, body weight, body condition scores and several body measurements. The cows were divided into four feeding groups : high and low energy content of rougha

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Kovalyuk, Natalia, Elena Shiryaeva, Lyudmila Yakusheva, Vladimir Kaishev, and Zaurbek Aisanov. "Frequency distribution of polymorphic variants of the beta-casein locus in Russian various breed cattle subpopulations." E3S Web of Conferences 262 (2021): 02020. http://dx.doi.org/10.1051/e3sconf/202126202020.

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Using the author’s test system, 2607 Holstein, Ayrshire and Jersey breeds were genotyped at CSN2 locus. It was determined that the frequency of preferred genotype A2A2 is in Holstein, Ayrshire and Jersey groups of animals - 0.21; 0.25 and 0.60 respectively. The frequency of A2 allele in Holstein breed is 0.48; in Ayrshire - 0.51; in Jersey - 0.78. Thus, the Russian subpopulations of Ayrshire, Jersey, and Holstein cattle subpopulations according to frequencies of A2A2 genotypes (CSN2 locus), the Jersey breed has the best indicators (0.60). Russian breeding enterprises selling semen production o

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3

Royal, S. M., K. A. E. Mullen, and S. P. Washburn. "0047 Comparison of calving data among Jersey, Jersey × Holstein crosses, and Norwegian Red × Holstein × Jersey crosses." Journal of Animal Science 94, suppl_5 (2016): 21–22. http://dx.doi.org/10.2527/jam2016-0047.

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4

Vargas-Leitón, Bernardo, Yamil Marín-Marín, and Juan José Romero-Zúñiga. "Comparación bioeconómica de grupos raciales Holstein, Jersey y Holstein×Jersey en Costa Rica." Agronomía Mesoamericana 23, no. 2 (2012): 329. http://dx.doi.org/10.15517/am.v23i2.6533.

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5

Gonzáles Blanco, Jose Pablo, and Rodolgo WingChing-Jones. "Producción y reproducción de vacas Holstein, Jersey y sus cruces en cinco localidades de Costa Rica." UNED Research Journal 10, no. 2 (2018): 422–27. http://dx.doi.org/10.22458/urj.v10i2.2171.

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En Costa Rica el 26% del ganado vacuno está destinado a la producción de leche especializada, predominando la raza Jersey, seguida de Holstein, Guersey y Pardo Suizo. Evaluamos 1 586 registros de animales en Heredia, Cartago, Coronado, San Carlos y Zarcero. Los sistemas se caracterizan por el uso del pastoreo rotacional en estrella africana (Cynodon nlemfuensis) o kikuyo (Kikuyuocloa clandestina), complemenando con subproductos agroindustriales, ensilajes; y alimento balanceado con un mínimo de 16% de proteína cruda y de 3 000kcal ED/kg. Utilizamos los registros actualizados para hacer una bas

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6

Orbán, M., K. K. Gaál, F. Pajor, et al. "Effect of temperament of Jersey and Holstein Friesian cows on milk production traits and somatic cell count (Short Communication)." Archives Animal Breeding 54, no. 6 (2011): 594–99. http://dx.doi.org/10.5194/aab-54-594-2011.

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Abstract. The aim of present study was to investigate the relationships between temperament score and milk production, as well as somatic cell count in a herd of Jersey and Holstein Friesian breeds. The temperament of 283 Jersey and 69 Holstein Friesian cows were assessed (scored) by the temperament score test (behaviour of animals was assessed in a 5-score system (1: calm, 5: nervous) while spending 30 s on the scale during weighing). The daily milk yield, fat, protein content and somatic cell count were also investigated in this study. Our investigation did not reveal any correlation between

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7

Kim, Dong-Hyeon, Myung-Hoo Kim, Sang-Bum Kim, et al. "Differential Dynamics of the Ruminal Microbiome of Jersey Cows in a Heat Stress Environment." Animals 10, no. 7 (2020): 1127. http://dx.doi.org/10.3390/ani10071127.

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The microbial community within the rumen can be changed and shaped by heat stress. Accumulating data have suggested that different breeds of dairy cows have differential heat stress resistance; however, the underlying mechanism by which nonanimal factors contribute to heat stress are yet to be understood. This study is designed to determine changes in the rumen microbiome of Holstein and Jersey cows to normal and heat stress conditions. Under heat stress conditions, Holstein cows had a significantly higher respiration rate than Jersey cows. Heat stress increased the rectal temperature of Holst

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8

Prabha Adhikari, Prativa Sharma, and Surya Sharma Bhatta. "A Review on Effect of Climatic Zones on the Milk Production of Holstein Friesian and Jersey Cows." International Journal for Research in Applied Sciences and Biotechnology 8, no. 2 (2021): 45–51. http://dx.doi.org/10.31033/ijrasb.8.2.6.

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Dairy farming is emerging as commercial enterprise and milk as the part of dietary food but the milk productivity of the cattle varies with the variation in climatic factors. So, breed selection plays imperative role on maintaining productivity and adoptability in different environments. Holstein Friesian and Jersey being the temperate breeds with high milk producing capacities could not perform well on the tropical and sub-tropical region. With proper feeding, Holstein has higher milk yield and low-fat percentage than Jersey. Milk yield varies by 2.58% in Holstein and 2.09% in Jersey cow with

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9

Nóbrega, Diego B., and Hélio Langoni. "Breed and season influence on milk quality parameters and in mastitis occurrence." Pesquisa Veterinária Brasileira 31, no. 12 (2011): 1045–52. http://dx.doi.org/10.1590/s0100-736x2011001200002.

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The aims of the present study were to evaluate the performance of Jersey and Holstein cows under different rainfall conditions (dry and rainy seasons) by monitoring aspects related to subclinical mastitis (somatic cell count, microbiological isolation, type of isolated pathogen), milk quality (lactose, protein, fat, total solids) and production (mean milk production) of both breeds. The study was carried out in a dairy farm located in the state of São Paulo, Brazil. Eight visitations were done to the farm, four in a period of high rainfall and four in a period of low rainfall. Milk samples wer

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10

Hansen, C., J. N. B. Shrestha, R. J. Parker, G. H. Crow, P. J. McAlpine, and J. N. Derr. "Genetic diversity among Canadienne, Brown Swiss, Holstein, and Jersey cattle of Canada based on 15 bovine microsatellite markers." Genome 45, no. 5 (2002): 897–904. http://dx.doi.org/10.1139/g02-063.

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The genetic diversity among Canadienne, Brown Swiss, Holstein, and Jersey cattle was estimated from relationships determined by genotyping 20 distantly related animals in each breed for 15 microsatellites located on separate chromosomes. The Canadienne, Holstein, and Jersey cattle had an average of six alleles per loci compared with five alleles for Brown Swiss. Furthermore, a number of potentially breed-specific alleles were identified. The allele size variance among breeds was similar, but varied considerably among loci. All of the loci studied were equally heterozygous, as were Brown Swiss,

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11

Islam, Mahfuzul, Seon-Ho Kim, A.-Rang Son, et al. "Seasonal Influence on Rumen Microbiota, Rumen Fermentation, and Enteric Methane Emissions of Holstein and Jersey Steers under the Same Total Mixed Ration." Animals 11, no. 4 (2021): 1184. http://dx.doi.org/10.3390/ani11041184.

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Seasonal effects on rumen microbiome and enteric methane (CH4) emissions are poorly documented. In this study, 6 Holstein and 6 Jersey steers were fed the same total mixed ration diet during winter, spring, and summer seasons under a 2 × 3 factorial arrangement for 30 days per season. The dry matter intake (DMI), rumen fermentation characteristics, enteric CH4 emissions and rumen microbiota were analyzed. Holstein had higher total DMI than Jersey steers regardless of season. However, Holstein steers had the lowest metabolic DMI during summer, while Jersey steers had the lowest total DMI during

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12

Prendiville, R., K. M. Pierce, L. Delaby, and F. Buckley. "Animal performance and production efficiencies of Holstein-Friesian, Jersey and Jersey × Holstein-Friesian cows throughout lactation." Livestock Science 138, no. 1-3 (2011): 25–33. http://dx.doi.org/10.1016/j.livsci.2010.11.023.

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13

Pinedo, P. J., A. Daniels, J. Shumaker, and A. De Vries. "Dynamics of culling for Jersey, Holstein, and Jersey × Holstein crossbred cows in large multibreed dairy herds." Journal of Dairy Science 97, no. 5 (2014): 2886–95. http://dx.doi.org/10.3168/jds.2013-7685.

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14

Azam, MA, MKI Khan, and A. Das. "Adaptability and Survivability of Different Crossbreds cattle under Commercial Dairy Farming Conditions in Chittagong area." International Journal of Natural Sciences 2, no. 3 (2012): 67–70. http://dx.doi.org/10.3329/ijns.v2i3.12134.

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The present study was undertaken to investigate the adaptability and survivability of different crossbred dairy cows under commercial farming conditions in Chittagong, Bangladesh. Different cattle genotypes (Holstein × Local, Sahiwal × Local, Sahiwal × Holstein and Jersey × Local) were found in the studied farms. The percentages of Holstein × Local was (58.94%) higher than other genotype. The survivability of Holstein × Local, Sahiwal × Local, Sahiwal × Holstein and Jersey × Local calves were 84.0±3.90, 100, 97.1±5.48 and 100 percent, respectively. The survivability of calves and cows were sig

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15

Cunha, Daniel de Noronha Figueiredo Vieira da, José Carlos Pereira, Oriel Fajardo de Campos, Sebastião Teixeira Gomes, José Luis Braga, and Janaina Azevedo Martuscello. "Simulation of Holstein and Jersey profitability by varying milk price payment system." Revista Brasileira de Zootecnia 39, no. 4 (2010): 913–23. http://dx.doi.org/10.1590/s1516-35982010000400028.

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The objective of the study was to compare through simulation Holstein and Jersey breed herds, considering the farm size, zootechnical and economic indexes and profitability of the activity, by using different systems of bonus payment for milk price based in percentage of fat and protein in the milk. The comparisons were made, initially, disregarding the bonus payment for milk price based on the increase in the fat and protein percentage in milk. After that, the profitability of the activity was compared considering bonus payment for milk price of the Jersey breed herd, for each unit increment

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16

Gaya, Leila de Genova, Diego de Córdova Cucco, Leandro Homrich Lorentz, et al. "Genetic profile of Holstein and Jersey dairy bull lines available in Brazil." Revista Brasileira de Saúde e Produção Animal 15, no. 1 (2014): 261–69. http://dx.doi.org/10.1590/s1519-99402014000100006.

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The Holstein and Jersey dairy cattle breeds are among the most prevalent in Brazil. To evaluate differences among the PTAs (predicted transmitting abilities) of these breeds and their lines, data were collected on 385 Holstein bulls and 82 Jersey sires with semen commercially available from nine Brazilian companies. Three different sire lines for each breed were found. The general linear models method was used for the comparison among lines and between breeds. The two most prevalent lines of Holstein breed presented higher average PTAs for milk yield (1,061.04 pounds and 975.32 pounds) and low

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17

DePeters, E. J., J. F. Medrano, and B. A. Reed. "Fatty acid composition of milk fat from three breeds of dairy cattle." Canadian Journal of Animal Science 75, no. 2 (1995): 267–69. http://dx.doi.org/10.4141/cjas95-040.

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The proportion of MCFA in milk fat was lowest for Holstein, highest for Jersey, and intermediate for Brown Swiss cows. Proportions of SCFA (C4:0 to C8:0) and LCFA (> 18 C) did not differ among breeds. Differences in fatty acid composition among breeds were small, but could contribute to differences in manufacturing properties of milk fat. Key words: Holstein, Jersey, Brown Swiss, milk fatty acids

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18

Rhodes-Long, K., L. F. Campos-Chillon, M. Barceló-Fimbres, and J. L. Altermatt. "90 LIPID CONTENT OF IN VIVO- AND IN VITRO-PRODUCED JERSEY AND HOLSTEIN CATTLE EMBRYOS AND THE EFFECT OF FORSKOLIN ON EMBRYO LIPID REDUCTION." Reproduction, Fertility and Development 28, no. 2 (2016): 174. http://dx.doi.org/10.1071/rdv28n2ab90.

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Jersey embryos have been suggested to have higher lipid content and lower tolerance to cryopreservation. In addition, in vitro-produced (IVP) bovine embryos have darker cytoplasm as a consequence of higher lipid accumulation than in vivo-derived embryos, associated with impaired embryo quality and reduced cryotolerance. Forskolin is an adenylate cyclase activator that regulates cAMP levels in cells and has been shown to induce lipolysis in IVP embryos. We hypothesised that the lipid content of in vivo-produced and IVP Jersey embryos is higher than respective Holstein embryos and that forskolin

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19

Prendiville, R., K. M. Pierce, and F. Buckley. "An evaluation of production efficiencies among lactating Holstein-Friesian, Jersey, and Jersey × Holstein-Friesian cows at pasture." Journal of Dairy Science 92, no. 12 (2009): 6176–85. http://dx.doi.org/10.3168/jds.2009-2292.

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20

Cobanoglu, Ozden, Ertugrul Kul, Eser K. Gurcan, Samet H. Abaci, and Soner Cankaya. "Determination of the association of <i>GHR</i>/<i>AluI</i> gene polymorphisms with milk yield traits in Holstein and Jersey cattle raised in Turkey." Archives Animal Breeding 64, no. 2 (2021): 417–24. http://dx.doi.org/10.5194/aab-64-417-2021.

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Abstract. This research was carried out to determine the effect of a specific single nucleotide polymorphism (SNP) region in exon 10 of the growth hormone receptor (GHR) gene on milk production traits in Jersey and Holstein cows raised in Turkey. Milk samples were recorded as a test day milk yield (TDMY) and an adjusted based 305 d milk yield (305-DMY). Also, milk component traits were detected. Based on the scope of this study, a total of 748 dairy cows, including 305 Holsteins raised in the Marmara Region and 163 Holstein and 280 Jersey raised in the Black Sea Region, were genotyped for the

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21

Hansen, C., J. N. B. Shrestha, R. J. Parker, G. H. Crow, P. J. McAlpine, and J. N. Derr. "Genetic diversity among Canadienne, Brown Swiss, Holstein and Jersey cattle based on mitochondrial D-loop sequence variation." Canadian Journal of Animal Science 83, no. 1 (2003): 39–44. http://dx.doi.org/10.4141/a01-099.

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Polymorphisms creating 36 unique haplotypes were observed with in breeds at 55 sites in the displacement loop (D-loop) region of the mitochondrial DNA (mtDNA) consisting of 814 bp. The majority (56%) of the differences observed were the result of nucleotide substitution events with 19 transitions, 12 transversions, 11 deletions, 12 insertions and 1 inversion. In all cases, the insertions and deletions were of a single nucleotide. Canadienne cattle were found to have 60% unique haplotypes within the population compared to 89% in Brown Swiss, 90% in Holstein and 100% in Jersey cattle, possibly r

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22

Dupras, R., J. Dupras, and Y. Chorfi. "138 CELL INTEGRITY OF HOLSTEIN AND JERSEY EMBRYOS: COMPARISON OF TWO FREEZING METHODS." Reproduction, Fertility and Development 20, no. 1 (2008): 149. http://dx.doi.org/10.1071/rdv20n1ab138.

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The aim of this study was to compare cell integrity of Holstein and Jersey embryos using the standard method of freezing and vitrification. Embryos were harvested and processed following standard procedures approved by IETS (International Embryo Transfer Society), and then underwent two methods of freezing. (1) Standard method: embryos were put into 1.5 m ethylene glycol (EG) for 5 min at room temperature, and then at –6.5�C for 10 min for stabilization. After seeding, the temperature was lowered by 0.5�C until it reached –32�C, and then straws containing embryos were plunged into liquid nitro

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23

Castillo Badilla, Gloriana, Mauren Salazar Carranza, Jaime Murillo Herrera, Frank Hueckmann Voss, and Juan José Romero Zúñiga. "Efecto de la edad al primer parto sobre parámetros reproductivos en la primera lactancia de vacas Holstein y Jersey de Costa Rica." Revista Ciencias Veterinarias 33, no. 1 (2016): 33. http://dx.doi.org/10.15359/rcv.33-1.2.

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Se realizó un estudio retrospectivo en 28 367 animales raza Jersey puro y 46 029 Holstein puras, de lecherías especializadas de distintas zonas ecológicas de Costa Rica, en el periodo comprendido entre los años 2000 y 2010, con el fin de cuantificar el efecto provocado por la edad al primer parto (EPP) sobre los parámetros reproductivos durante la primera lactancia. Se incluyeron los datos de vacas, registrados en el programa VAMPP Bovino 3.0, en el Centro Regional de Informática para la Producción Animal Sostenible (CRIPAS), de la Escuela de Medicina Veterinaria de la Universidad Nacional de

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Bannerman, Douglas D., Hayley R. Springer, Max J. Paape, Adam CW Kauf, and Jesse P. Goff. "Evaluation of breed-dependent differences in the innate immune responses of Holstein and Jersey cows toStaphylococcus aureusintramammary infection." Journal of Dairy Research 75, no. 3 (2008): 291–301. http://dx.doi.org/10.1017/s0022029908003427.

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Mastitis is one of the most prevalent diseases of cattle. Various studies have reported breed-dependent differences in the risk for developing this disease. Among two major breeds, Jersey cows have been identified as having a lower prevalence of mastitis than Holstein cows. It is well established that the nature of the initial innate immune response to infection influences the ability of the host to clear harmful bacterial pathogens. Whether differences in the innate immune response to intramammary infections explain, in part, the differential prevalence of mastitis in Holstein and Jersey cows

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25

Prendiville, R., K. M. Pierce, and F. Buckley. "Comparative somatic cell score and milking characteristics of Holstein-Friesian, Jersey and Jersey×Holstein-Friesian cows at pasture." Advances in Animal Biosciences 1, no. 1 (2010): 298. http://dx.doi.org/10.1017/s2040470010004413.

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26

King, Erin E., Rachel P. Smith, Benoit St-Pierre, and André-Denis G. Wright. "Differences in the Rumen Methanogen Populations of Lactating Jersey and Holstein Dairy Cows under the Same Diet Regimen." Applied and Environmental Microbiology 77, no. 16 (2011): 5682–87. http://dx.doi.org/10.1128/aem.05130-11.

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ABSTRACTIn the dairy cattle industry, Holstein and Jersey are the breeds most commonly used for production. They differ in performance by various traits, such as body size, milk production, and milk composition. With increased concerns about the impact of agriculture on climate change, potential differences in other traits, such as methane emission, also need to be characterized further. Since methane is produced in the rumen by methanogenic archaea, we investigated whether the population structure of methanogen communities would differ between Holsteins and Jerseys. Breed-specific rumen metha

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27

Pegoraro, L. M., S. Barros, F. Sinowatz, et al. "296LIPIDIC CONTENT IN JERSEY BLASTOCYSTS COMPARED WITH HOLSTEIN AND IVP EMBRYOS." Reproduction, Fertility and Development 16, no. 2 (2004): 268. http://dx.doi.org/10.1071/rdv16n1ab296.

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The objective of this study was to compare the ultrastructure of bovine embryos from different breeds and origin in terms of lipid contents. Jersey and Holstein embryos produced in vivo were obtained from superovulated donors by non-surgical method 7 days after AI. Embryos produced in vitro (Holstein cross breed) were obtained from cumulus-oocytes complexes (COC) aspirated from slaughterhouse ovaries. The COC were matured and fertilized in vitro. The zygotes were cultivated in vitro for 7 days in SOFaa media. Embryos produced in vivo (Holstein n=5; Jersey n=5) and in vitro (n=5) classified as

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28

Elizondo-Salazar, Jorge Alberto. "Caracterización de la transferencia de inmunidad pasiva en terneras de lechería." Agronomía Mesoamericana 26, no. 2 (2015): 203. http://dx.doi.org/10.15517/am.v26i2.19276.

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<p>El objetivo del presente trabajo fue determinar la transferencia de inmunidad pasiva en terneras de lechería en Costa Rica. Los datos presentados corresponden a medidas de proteína sérica total (PST) obtenidas en el periodo comprendido entre los años 2010 y 2013, durante los meses de agosto a noviembre en 50 fincas lecheras. Se evaluaron 2500 terneras nacidas de vacas Holstein, Jersey, cruce Holstein×Jersey y otras. Para fines del presente estudio, se consideró una falla en la transferencia de inmunidad pasiva (FTIP) cuando la concentración de PST fue menor a 5,5 g/dl. La concentració

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29

Kim, Eun Tae, Sang Seok Joo, Dong Hyeon Kim, et al. "Common and Differential Dynamics of the Function of Peripheral Blood Mononuclear Cells between Holstein and Jersey Cows in Heat-Stress Environment." Animals 11, no. 1 (2020): 19. http://dx.doi.org/10.3390/ani11010019.

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Heat stress has been reported to affect the immunity of dairy cows. However, the mechanisms through which this occurs are not fully understood. Two breeds of dairy cow, Holstein and Jersey, have distinct characteristics, including productivity, heat resistance, and disease in high-temperature environments. The objective of this study is to understand the dynamics of the immune response of two breeds of dairy cow to environmental change. Ribonucleic acid sequencing (RNA-seq) results were analyzed to characterize the gene expression change of peripheral blood mononuclear cells (PBMCs) in Holstei

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30

Anderson, T., R. Shaver, P. Bosma, and V. De Boer. "CASE STUDY: Performance of Lactating Jersey and Jersey-Holstein Crossbred Versus Holstein Cows in a Wisconsin Confinement Dairy Herd." Professional Animal Scientist 23, no. 5 (2007): 541–45. http://dx.doi.org/10.1532/s1080-7446(15)31017-2.

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Prendiville, R., L. Shalloo, K. M. Pierce, and F. Buckley. "Animal performance and economic implications of Holstein-Friesian, Jersey and Jersey × Holstein-Friesian cows under seasonal pasture based systems." Advances in Animal Biosciences 1, no. 1 (2010): 299. http://dx.doi.org/10.1017/s2040470010004425.

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32

Hellwing, A. L. F., M. R. Weisbjerg, M. Brask, et al. "Prediction of the methane conversion factor (Ym) for dairy cows on the basis of national farm data." Animal Production Science 56, no. 3 (2016): 535. http://dx.doi.org/10.1071/an15520.

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Methane constitutes a significant loss of feed gross energy in ruminants, and there is an ongoing struggle for identifying feed and animal characteristics feasible for documentation of National Greenhouse Gas Inventories. The aim of the current study was to develop a model that predicts the methane conversion factor (Ym, % of gross energy) for dairy cows on the basis of data obtained from a range of our respiration studies, and, subsequently, to use this model to predict Ym for Holstein and Jersey cows on the basis of compiled average national farm data on dry matter intake, yield of energy-co

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33

Bobić, Tina, Pero Mijić, Maja Gregić, Denis Kučević, and Vesna Gantner. "The differences in teat-end hyperkeratosis in Holstein and Jersey dairy cows." Journal of Central European Agriculture 19, no. 4 (2018): 772–76. http://dx.doi.org/10.5513/jcea01/19.4.2339.

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34

Young, A. S., and B. W. Kirkpatrick. "Frequency of leukochimerism in Holstein and Jersey twinsets1,2." Journal of Animal Science 94, no. 11 (2016): 4507–15. http://dx.doi.org/10.2527/jas.2016-0623.

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35

Knowlton, K. F., V. A. Wilkerson, D. P. Casper, and D. R. Mertens. "Manure nutrient excretion by Jersey and Holstein cows." Journal of Dairy Science 93, no. 1 (2010): 407–12. http://dx.doi.org/10.3168/jds.2009-2617.

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36

Blake, Robert W., Angel A. Custodio, and Wayne H. Howard. "Comparative Feed Efficiency of Holstein and Jersey Cows." Journal of Dairy Science 69, no. 5 (1986): 1302–8. http://dx.doi.org/10.3168/jds.s0022-0302(86)80536-7.

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37

Stott, A. W., and M. A. Delorenzo. "Factors Influencing Profitability of Jersey and Holstein Lactations." Journal of Dairy Science 71, no. 10 (1988): 2753–66. http://dx.doi.org/10.3168/jds.s0022-0302(88)79869-0.

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38

Wondatir Workie, Zewdie, John P. Gibson, and Julius H. J. van der Werf. "Analysis of culling reasons and age at culling in Australian dairy cattle." Animal Production Science 61, no. 7 (2021): 680. http://dx.doi.org/10.1071/an20195.

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Context A thorough analysis of the reasons for culling was made to understand the phenotypic trend in herd life. In addition, identification of culling reasons could enable to develop a strategy for further evaluation of longevity in Australian dairy cows. Aims The aim of this study was to investigate the main causes of culling in Australian dairy herds and thereby to assess the trend of reason-specific culling over time. Methods Culling reasons in Australian dairy cattle were studied based on culling records from 1995 through 2016. A total of 2452124 individual cow culling observations were o

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39

Hickson, R. E., N. Lopez-Villalobos, P. R. Kenyon, and S. T. Morris. "Breed effects and heterosis for productivity traits at first calving of Angus, Holstein Friesian, Jersey and crossbred beef cows." Animal Production Science 54, no. 9 (2014): 1381. http://dx.doi.org/10.1071/an14223.

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Feed requirements for maintenance contribute a large proportion of the feed requirements of a beef cow so lighter cows may be more efficient producers of weaned calves, provided that such cows do not result in a comparative reduction in calf weaning weight. Beef-cross-dairy cows have increased milk yield compared with straight-bred beef cows and have the potential to wean heavier calves. Crossbred cows may also offer potential increases in production through heterosis. This experiment examined the performance of straight-bred Angus (AA), Holstein Friesian (FF) and Jersey (JJ) cows and of Angus

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McClearn, B., L. Delaby, T. J. Gilliland, et al. "An assessment of the production, reproduction, and functional traits of Holstein-Friesian, Jersey × Holstein-Friesian, and Norwegian Red × (Jersey × Holstein-Friesian) cows in pasture-based systems." Journal of Dairy Science 103, no. 6 (2020): 5200–5214. http://dx.doi.org/10.3168/jds.2019-17476.

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Weaver, Samantha R., Austin P. Prichard, Elizabeth L. Endres, et al. "Elevation of circulating serotonin improves calcium dynamics in the peripartum dairy cow." Journal of Endocrinology 230, no. 1 (2016): 105–23. http://dx.doi.org/10.1530/joe-16-0038.

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Hypocalcemia is a metabolic disorder that affects dairy cows during the transition from pregnancy to lactation. Twelve multiparous Holstein cows and twelve multiparous Jersey cows were intravenously infused daily for approximately 7 days prepartum with either saline or 1.0mg/kg bodyweight of the immediate precursor to serotonin synthesis, 5hydroxy-l-tryptophan (5-HTP). On infusion days, blood was collected before, after, and at 2, 4, and 8h postinfusion. Blood and urine were collected daily before the infusion period, for 14 days postpartum and on day 30 postpartum. Milk was collected daily du

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Gašparík, Matúš, Luděk Stádník, Jaromír Ducháček, and Vladimír Tančin. "Differences between Jersey and Holstein cows in milking-induced teat prolongation during lactation." Czech Journal of Animal Science 64, No. 10 (2019): 431–38. http://dx.doi.org/10.17221/145/2019-cjas.

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Factors consequential to milking-induced teat prolongation (MITP) were identified. Effects of breed, teat position, lactation number, lactation stage and their interactions were evaluated. The length of each teat before and after milking was measured seven times during lactation in 59 Holstein cows and 45 Jersey cows. Rear teats seemed to prolong more with the exception of rear left teats of Holstein cows. MITP of Holsteins was more balanced among quarters compared to Jerseys, where we observed significantly higher MITP of their rear teats. The pairs mostly had similar reactions even for diffe

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Saborío-Montero, A., B. Vargas-Leitón, J. J. Romero-Zúñiga, and J. Camacho-Sandoval. "Additive genetic and heterosis effects for milk fever in a population of Jersey, Holstein × Jersey, and Holstein cattle under grazing conditions." Journal of Dairy Science 101, no. 10 (2018): 9128–34. http://dx.doi.org/10.3168/jds.2017-14234.

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Arango, J., and J. J. Echeverri. "Asociación del valor genético del toro con caracteres productivos en vacas lecheras en Colombia." Archivos de Zootecnia 63, no. 242 (2013): 227–37. http://dx.doi.org/10.21071/az.v63i242.539.

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Actualmente en Colombia no existe un programa que permita la estimación de valores genéticos en bovinos de leche. El objetivo de esta investigación fue determinar la asociación de los EBV (Valor de Cría Estimado) de toros Holstein y Jersey,con el desempeño fenotípico de sus hijas en Colombia; para esto se analizó la asociación de sus EBV con algunos parámetros productivos y sanitarios analizados directamente en su progenie (hijas). Para la estimación de los componentes de varianza, parámetros genéticos y valores genéticos, se utilizó el método de máxima verosimilitud restringida (REML) emplean

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Gurses, Murad, Huseyin Yuce, Ebru Onalan Etem, and Bahri Patir. "Polymorphisms of kappa-casein gene and their effects on milk production traits in Holstein, Jersey and Brown Swiss cattle." Animal Production Science 58, no. 5 (2018): 778. http://dx.doi.org/10.1071/an15131.

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The objectives of this study were to detect kappa-casein (κ-CN, CSN3, CASK) gene polymorphisms and to investigate the association between the κ-CN gene polymorphisms and milk yield and composition in cattle. For this purpose, a total of 365 blood and milk samples were collected from Holstein, Jersey and Brown Swiss cows. Polymorphisms of κ-CN gene were detected by the PCR and restriction fragment length polymorphism. A 776-bp fragment of exon IV was amplified by PCR and digested with HindIII and HaeIII restriction endonuclease to distinguish allele A, B and E. The analysis of associations betw

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Park, Da Som, Bon-Hee Gu, Yei Ju Park, et al. "Dynamic changes in blood immune cell composition and function in Holstein and Jersey steers in response to heat stress." Cell Stress and Chaperones 26, no. 4 (2021): 705–20. http://dx.doi.org/10.1007/s12192-021-01216-2.

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AbstractHeat stress has detrimental effects on livestock via diverse immune and physiological changes; heat-stressed animals are rendered susceptible to diverse diseases. However, there is relatively little information available regarding the altered immune responses of domestic animals in heat stress environments, particularly in cattle steers. This study aimed to determine the changes in the immune responses of Holstein and Jersey steers under heat stress. We assessed blood immune cells and their functions in the steers of two breeds under normal and heat stress conditions and found that imm

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Quigley, J. D., J. J. Drewry, and K. R. Martin. "Estimation of Plasma Volume in Holstein and Jersey Calves." Journal of Dairy Science 81, no. 5 (1998): 1308–12. http://dx.doi.org/10.3168/jds.s0022-0302(98)75693-0.

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Joo, Sang Seok, Sang Jin Lee, Da Som Park, et al. "Changes in Blood Metabolites and Immune Cells in Holstein and Jersey Dairy Cows by Heat Stress." Animals 11, no. 4 (2021): 974. http://dx.doi.org/10.3390/ani11040974.

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Owing to increasing global temperatures, heat stress is a major problem affecting dairy cows, and abnormal metabolic responses during heat stress likely influence dairy cow immunity. However, the mechanism of this crosstalk between metabolism and immunity during heat stress remains unclear. We used two representative dairy cow breeds, Holstein and Jersey, with distinct heat-resistance characteristics. To understand metabolic and immune responses to seasonal changes, normal environmental and high-heat environmental conditions, we assessed blood metabolites and immune cell populations. In bioche

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Vargas-Leitón, Bernardo, and Juan José Romero-Zúñiga. "Efectos genéticos aditivos y no aditivos en cruces rotacionales holstein×jersey y holstein×pardo suizo." Agronomía Mesoamericana 21, no. 2 (2010): 223. http://dx.doi.org/10.15517/am.v21i2.4885.

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Bjelland, D. W., K. A. Weigel, P. C. Hoffman, N. M. Esser, W. K. Coblentz, and T. J. Halbach. "Production, reproduction, health, and growth traits in backcross Holstein × Jersey cows and their Holstein contemporaries." Journal of Dairy Science 94, no. 10 (2011): 5194–203. http://dx.doi.org/10.3168/jds.2011-4300.

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