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Abstract

In the last decades, the cattle ranching has had an enormous growth in the Ecuadorian Amazon, which has been translated in an increase of deforestation and of the agricultural frontier with negative consequences on the ecosystem. This study consisted in the categorization of livestock systems in...

Author(s)
Alemán-Pérez, R.; Bravo-Medina, C.; Vargas-Burgos, J.; Chimborazo-Sarabia, C.
Publisher
CIPAV Foundation, Cali, Colombia
Citation
Livestock Research for Rural Development, 2020, 32, 6,
Abstract

This experiment evaluated the effect of pre-weaning plane of nutrition of dams upon reproductive development in Bos indicus x Bos taurus bull offspring reared under extensively managed conditions in the northern Australia rangelands. Following artificial insemination (AI cohort; n = 26), or natural ...

Author(s)
Callaghan, M. J.; Rodgers, R. J.; Perry, V. E. A.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2020, 152, pp 83-93
Abstract

The practice of feeding replacement-breeding bulls on high energy diets after weaning to meet liveweight (LW) and carcass expectations between 18 and 24 months of age negatively affects reproductive potential. This experiment reports upon the effects of an alternative management strategy aimed at...

Author(s)
Callaghan, M. J.; Rodgers, R. J.; Perry, V. E. A.
Publisher
Elsevier, New York, USA
Citation
Theriogenology, 2020, 152, pp 69-82
Abstract

The objective of this research was to compare yearling beef calf production (bodyweight - BW gains and carcass characteristics) under organic and conventional (semi-extensive) management. The study comprised three production cycles (from weaning to slaughter) with a total of 67 calves. For the...

Author(s)
Román-Trufero, A.; Martínez, A.; Oso, K.; García-Prieto, V.; Celaya, R.
Publisher
CSIRO, Collingwood, Australia
Citation
Animal Production Science, 2020, 60, 4, pp 584-594
Abstract

For understanding the factors affecting bovine viral diarrhea virus (BVDV) transmission, this study investigated the distribution of BVDV and the epidemiological features of persistently infected (PI) cattle in Ibaraki Prefecture of Japan, and identified farm-level risk factors associated with BVDV ...

Author(s)
Akagami, M.; Seki, S.; Kashima, Y.; Yamashita, K.; Oya, S.; Fujii, Y.; Takayasu, M.; Yaguchi, Y.; Suzuki, A.; Ono, Y.; Ouchi, Y.; Hayama, Y.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Research in Veterinary Science, 2020, 129, pp 187-192
AbstractFull Text

Rotational grazing in the cow-calf system is a carefully planned movement of cattle on pasture throughout the year, which is one of the main goals of quality pasture management. This naturally imitated migration ensures that cattle are fed daily with fresh grass biomass. The pasture is usually...

Author(s)
Štavalj, J.; Bobić, T.; Gantner, R.; Mijić, P.
Publisher
Sveučilište u Zagrebu, Agronomski fakultet, Zagreb, Croatia
Citation
55. hrvatski i 15. međunarodni simpozij agronoma, 16. - 21. veljače 2020. godine, Vodice, Hrvatska. Zbornik radova, 2020, pp 479-483
Abstract

Many contemporary dairy cattle housing practices are at odds with societal perceptions of positive animal welfare. The public (i.e., those external to the dairy industry) typically emphasizes the importance of naturalness for dairy cattle, such as through provision of pasture, freedom of movement,...

Author(s)
Beaver, A.; Proudfoot, K. L.; Keyserlingk, M. A. G. von
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2020, 103, 6, pp 5746-5758
Abstract

Our retrospective, cross-sectional study aimed to identify the mortality rate of preweaned heifer calves and associated herd-management factors in family-run dairy holdings in the state of Rio Grande do Sul, Brazil. A survey was made available through an online platform to all the municipalities (n ...

Author(s)
Fruscalso, V.; Olmos, G.; Hötzel, M. J.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Preventive Veterinary Medicine, 2020, 175,
Abstract

The bovine appeasing substance (BAS) is expected to have calming effects in cattle experiencing stressful situations. Therefore, this study investigated the impacts of BAS administration during two of the most stressful events within beef production systems: weaning and feedlot entry. In experiment ...

Author(s)
Cooke, R. F.; Millican, A.; Brandão, A. P.; Schumaher, T. F.; Sousa, O. A. de; Castro, T.; Farias, R. S.; Cappellozza, B. I.
Publisher
Cambridge University Press, Cambridge, UK
Citation
Animal, 2020, 14, 3, pp 566-569
Abstract

Four levels of plantain (0%, 25%, 50% and 75% on DM basis) inclusion rate to ryegrass-clover pasture and three target heifer mature live weights, 444 kg (representing Jersey), 529 kg (Friesian), and 492 kg (cross bred Jersey × Friesian) were tested in this modelling exercise for a 30 ha farm and...

Author(s)
Cheng Long; Martin, K. E.; Bywater, A. C.; Moir, J. L.; Cameron, K. C.; Edwards, G. R.
Publisher
Taylor & Francis, Melbourne, Australia
Citation
New Zealand Journal of Agricultural Research, 2020, 63, 1, pp 123-137

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