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Abstract

Our objective was to combine the methods of geometric morphometrics and multivariate quantitative genetics to genetic evaluation of the size and shape of lactation curves of milk of 3,492 Israeli first-parity Holstein cattle. Lactation records were treated as morphological data, for which 2...

Author(s)
Durón-Benítez, A. A.; Weller, J. I.; Ezra, E.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2018, 101, 12, pp 11132-11142
Abstract

Feed efficiency has been widely studied in many areas of dairy science and is currently seeing renewed interest in the field of breeding and genetics. A critical part of determining how efficiently an animal utilizes feed is accurately measuring individual dry matter (DM) intake. Currently,...

Author(s)
Seymour, D. J.; Cánovas, A.; Baes, C. F.; Chud, T. C. S.; Osborne, V. R.; Cant, J. P.; Brito, L. F.; Gredler-Grandl, B.; Finocchiaro, R.; Veerkamp, R. F.; Haas, Y. de; Miglior, F.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 9, pp 7655-7663
Abstract

A healthy sucking reflex is essential for newborn calves to ensure sufficient colostrum intake in the first few hours postpartum. In recent decades, European Brown Swiss breeders have repeatedly reported that some calves lack the ability to consume colostrum directly after birth due to an absent...

Author(s)
Dreher, C.; Wellmann, R.; Stratz, P.; Schmid, M.; Preuss, S.; Hamann, H.; Bennewitz, J.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 7, pp 6296-6305
Abstract

An authentication procedure for differentiating between organic and non-organic cattle production on the basis of analysis of serum samples has been developed. For this purpose, the concentrations of fourteen mineral elements (As, Cd, Co, Cr, Cu, Fe, Hg, I, Mn, Mo, Ni, Pb, Se and Zn) in 522 serum...

Author(s)
Rodríguez-Bermúdez, R.; Herrero-Latorre, C.; López-Alonso, M.; Losada, D. E.; Iglesias, R.; Miranda, M.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Food Chemistry, 2018, 264, pp 210-217
Abstract

We developed and evaluated a fast and simple method to obtain suitable bone samples for densitometry and chemical analysis through biopsies of the 12th rib of cattle. The postoperative recovery, dry matter intake (DMI) and average daily weight gain (ADG) was evaluated in 36 Nellore steers, nine of...

Author(s)
Malafaia, P.; Salcedo, Y. T. G.; Uscategui, R. A. R.; Souza, V. C.; Costa, D. F. A.; Berchielli, T. T.
Publisher
Colégio Brasileiro de Patologia Animal, Rio de Janeiro, Brazil
Citation
Pesquisa Veterinária Brasileira, 2017, 37, 1, pp 31-35
Abstract

Crossbreeding has been shown to improve the longevity of dairy cattle in countries across the world. The aim of this study was to estimate heterosis, breed effects, and genetic parameters for longevity in crossbred dairy cattle among Danish Holstein (DH), Danish Red (DR), and Danish Jersey (DJ)...

Author(s)
Clasen, J. B.; Norberg, E.; Madsen, P.; Pedersen, J.; Kargo, M.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2017, 100, 8, pp 6337-6342
Abstract

International committees that have published nutrient requirements for dairy cattle have used data from mineral studies conducted in the 1920s to 1970s, and no study has reported data from animals less than 100 kg; therefore, there is a need to update mineral requirements for preweaned dairy...

Author(s)
Castro, M. M. D.; Silva, A. L.; Costa e Silva, L. F.; Rotta, P. P.; Engle, T. E.; Marcondes, M. I.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 4, pp 2973-2984
Abstract

Illegal use of growth promoter compounds in food production exposes consumers to health risk. Surveillance of such practices is based on direct detection of drugs or related metabolites by HPLC-MS/MS. Screening strategies focusing on indirect biological responses are considered promising tools to...

Author(s)
Biancotto, G.; Bovo, D.; Mastrorilli, E.; Manuali, E.; Angeletti, R.; Stella, R.
Publisher
Wiley, Weinheim, Germany
Citation
Proteomics, 2019, 19, 9, pp 1800422
Abstract

At dairy cow shows, the appearance of the udder is very important. To show cows at their best, udders are often presented in an overbagged state by extending milking intervals before the show. This practice represents an animal welfare issue because it is associated with behavior changes (e.g.,...

Author(s)
Balmer, M.; Alsaaod, M.; Boesiger, M.; Studer, E.; O'Brien, R.; Schuepbach-Regula, G.; Steiner, A.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 1, pp 660-665
Abstract

Universally applicable empirical equations specific for high- and low-forage diets were developed to improve the prediction of enteric methane production (eCH4) from beef cattle. A database built using treatment means from published beef studies conducted in numerous countries was divided into two...

Author(s)
Escobar-Bahamondes, P.; Oba, M.; Beauchemin, K. A.
Publisher
NRC Research Press, Ottawa, Canada
Citation
Canadian Journal of Animal Science, 2017, 97, 1, pp 83-94

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