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283 articles matching “performance”

61
Research Article08 Aug 2017Vol. 10 · Issue 8

Influence of microclimatic ammonia levels on productive performance of different broilers' breeds estimated with univariate and multivariate approaches

Essam S. Soliman

Birds litter contains unutilized nitrogen in the form of uric acid that is converted into ammonia; a fact that does not only affect poultry performance but also has a negative effect on people�s health around the farm and contributes in the environmental degr…

Read article ↗16 citations
62
Research Article02 Jul 2017Vol. 10 · Issue 7

Performance of broiler chicken fed multicarbohydrases supplemented low energy diet

Sunil Nayak

Objective of this study was to investigate the effect of multicarbohydrases supplementation on performance of broilers fed low energy diet

Read article ↗6 citations
63
Research Article30 Aug 2026Vol. 19 · Issue 8

Ovariocytotoxic serum enhances humoral innate immunity and reproductive performance in Kazakh Merino ewes: A controlled field study

Saltanat Nussupova and Assel Zhylgeldiyeva

This study evaluated the effects of OCS administration on hematological and humoral immune parameters, estrus and insemination dynamics, and reproductive outcomes in Kazakh Merino ewes under field conditions.

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64
Research Article28 Jun 2026Vol. 19 · Issue 6

Dietary β-glucan supplementation mitigates heat stress-induced impairment of performance, egg quality, and intestinal integrity in laying hens

Mohannad Abuajamieh

This study evaluated the dose-dependent effects of dietary yeast-derived β-glucan (BG) supplementation as a nutritional strategy to mitigate HS-induced impairments in commercial Hy-Line laying hens.

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65
Research Article18 May 2026Vol. 19 · Issue 5

Comparative effectiveness of propylene glycol–based health programs for controlling ketosis and improving performance in dairy cows

Cheng Xia and Yu-Xi Song

This study aimed to comparatively evaluate the effectiveness of different PG-based health programs implemented across multiple commercial dairy farms.

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66
Research Article18 Sep 2025Vol. 18 · Issue 9

Assessing European Union member states’ progress toward antimicrobial sales reduction targets under the European Green Deal: A comparative policy and performance analysis

Irina Pilvere

This study assesses the perfor­mance of EU-27 MS in reducing veterinary AM sales during the progress period (2018–2022) and estimates their likelihood of achieving the 2030 reduction target.

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67
Research Article08 Jul 2025Vol. 18 · Issue 7

Reproductive performance and fertility traits in Madrasin cattle: The influence of growth differentiation factor-9 gene expression on reproductive tract size, cervical mucus characteristics, and fertility rate

Athhar Manabi Diansyah

This study aimed to investigate the relationship between GDF-9 gene expression and reproductive traits, specifically reproductive tract size (RTS), cervical mucus characteristics, and fertility rate, in Madrasin cows.

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68
Research Article06 Jun 2025Vol. 18 · Issue 6

Effects of probiotics and amprolium on performance, lesion scores, oocyst shedding, and histopathological changes in Eimeria tenella-infected broiler chickens

Tippayaporn Nonkookhetkhong

This study investigates the prophylactic and therapeutic efficacy of a probiotic complex of Lactobacillus, Bifidobacteria, Enterococcus, and Streptococcus, alone or in combination with amprolium, against E. tenella infection in broiler chickens.

Read article ↗11 citations