Volume 15, Issue 3 (2020) | American Journal of Animal and Veterinary Sciences

Characterization of the Sheep Farming System in the Brazilian Semiarid from the Multivariate Perspective

Janaina Kelli Gomes Arandas — 2020-07-01

American Journal of Animal and Veterinary Sciences, Published online: 1 July 2020; doi:10.3844/ajavsp.2020.185.197

This study aimed to characterize the purebred Morada Nova sheep and crossbred farming systems in Ceará State, Brazil, through multivariate analysis. The study was carried out in the Morada Nova munic...

Competitiveness of Livestock Sub-Sector in West Sumatera, Indonesia

Amna Suresti — 2020-07-21

American Journal of Animal and Veterinary Sciences, Published online: 21 July 2020; doi:10.3844/ajavsp.2020.198.205

The purpose of this study is to analyze the factors that influence and determine the competitiveness of animal husbandry business in West Sumatra and identify the relative comparison of the level of c...

Genotype Screening of Bovine Brachyspina in Taiwan Holstein Cows

Chun Hsuan Chao — 2020-08-14

American Journal of Animal and Veterinary Sciences, Published online: 14 August 2020; doi:10.3844/ajavsp.2020.206.210

This study analyzed carrier frequencies of the genetic defect bovine brachyspina (BS) in the Holstein cows in Taiwan. In total, 1688 cows from 31 herds were included in the analysis, performed using t...

β-carotene Supplementation Increases Progesterone Concentration and Glutathione Peroxidase Activity Following Alternative Progesterone Primed Oestrous Synchronization Protocol in Goats

Dominic Lado Marino Gore — 2020-08-08

American Journal of Animal and Veterinary Sciences, Published online: 8 August 2020; doi:10.3844/ajavsp.2020.211.219

The present study evaluated the effect of β-carotene supplementation and oestrous synchronization protocol on ovarian activity and fertility of Saanen does during the breeding season. The supplemente...

Detection of Methicillin-Resistant Staphylococci (MRS) and Salmonella spp. in Consumer Egg Samples

Ana Claudia Lemes Pavan — 2020-08-21

American Journal of Animal and Veterinary Sciences, Published online: 21 August 2020; doi:10.3844/ajavsp.2020.220.225

Despite the excellent nutritional value, the egg can be an important vehicle for bacterial infections carried by food, among them, multiresistant Staphylococci and salmonellosis. The objective of this...

Seasonal Variations in Semen Parameters of Zulu Rams Preserved at 10°C for 72 H During Breeding and Non-Breeding Season

Jabulani Nkululeko Ngcobo — 2020-08-28

American Journal of Animal and Veterinary Sciences, Published online: 28 August 2020; doi:10.3844/ajavsp.2020.226.239

The study was conducted to evaluate the seasonal variations in semen parameters of Zulu rams preserved at 10°C for 72 h. The study site was the Agricultural Research Council (ARC) Irene, during the b...

Serological and Molecular Investigation of Middle East Respiratory Syndrome Coronavirus and Equine Herpesviruses in Horses at Southwestern Saudi Arabia

Ali S. Alqahtani — 2020-09-29

American Journal of Animal and Veterinary Sciences, Published online: 29 September 2020; doi:10.3844/ajavsp.2020.240.244

Host reservoirs other than dromedaries for the Middle East Respiratory Syndrome Coronavirus (MERS-CoV) still to be unknown. Equine Herpesviruses (EHVs) are widespread in equine populations worldwide. ...