Does bull temperament impact growth performance and semen quality?
| Autor: | Karoline Maria Gil Braz, Adriana Cortez, Naiara Nantes Rodrigues, André Maciel Crespilho, Fabio Morato Monteiro, Renata Elisa Green, Kleber da Cunha Peixoto, Luana Gomes Fernandes |
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| Přispěvatelé: | Santo Amaro University – UNISA, Station of the Sertãozinho Institute of Zootechny – EEZS, Universidade Estadual Paulista (Unesp), Santos & Green Ltd. – Dunedin (9010) |
| Rok vydání: | 2020 |
| Předmět: |
0301 basic medicine
endocrine system animal diseases media_common.quotation_subject Semen Scrotal thermography Body weight Bull Cortisol 03 medical and health sciences Semen quality Animal science Live weight Medicine Temperament media_common General Veterinary urogenital system business.industry 0402 animal and dairy science Flight speed Testosterone (patch) 04 agricultural and veterinary sciences 040201 dairy & animal science 030104 developmental biology Animal Science and Zoology business |
| Zdroj: | Scopus Repositório Institucional da UNESP Universidade Estadual Paulista (UNESP) instacron:UNESP |
| ISSN: | 1871-1413 |
| DOI: | 10.1016/j.livsci.2020.104038 |
| Popis: | Made available in DSpace on 2020-12-12T01:21:50Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-06-01 The aim of this study was to evaluate the influence of temperament on body weight and reproductive performance of Nelore bulls. Temperament of 24 young bulls was assessed by chute score (CS) and flight speed (FS). Based on the results of two consecutive evaluations (M1 and M2), bulls were divided into two groups according to their CS: Reactive (n = 12) and Calm (n = 12). Blood samples were collected from both groups for testosterone and cortisol analysis once a month for 4 months. Similarly, over 4 months semen was collected along with scrotal and ocular globe thermography for further analysis, and body weight (BW) was recorded. Reactive bulls showed greater CS (P |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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