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Ruminants, Volume 5, Issue 1

2025 March - 10 articles

Cover Story: Cow live weight and capacity have a strong association with lactational and reproductive performance. This study examined the relationships among the stature (height and leg length), capacity (girth), and live weight of 40 dairy cows from birth to maturity (52 months of age). A von Bertalanffy growth function was applied for each measure. Stature measures had strong associations between birth and maturity (R2 > 0.90), while girth and live weight had lower associations between birth and maturity (R2 = 0.88 and 0.82, respectively). Mature height was achieved earlier (by 24 months) than mature girth (by 27 months). Capacity growth is most sensitive to environmental input until 27 months of age, therefore, sufficient nutrition is required to maximise capacity. View this paper
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Articles (10)

  • Article
  • Open Access
1 Citations
2,704 Views
19 Pages

Blood Bacterial Microbiota of the American Bison (Bison bison) in Northern Mexico: A Reference for Health and Conservation

  • Juan Carlos Ontiveros-Chacón,
  • Cristina García-De La Peña,
  • Joel Domínguez-Viveros,
  • Guadalupe Nelson Aguilar-Palma,
  • Verónica Ávila-Rodríguez,
  • Josué Raymundo Estrada-Arellano,
  • Quetzaly Karmy Siller-Rodríguez,
  • Luis Manuel Valenzuela-Núñez,
  • Jesús Vásquez-Arroyo and
  • Judith Correa-Gómez
  • + 2 authors

The emerging field of study of blood microbiota reveals the presence of bacteria in the blood of healthy animals. In endangered species such as the American bison (Bison bison), the analysis of this microbiota is crucial for conservation, as changes...

  • Feature Paper
  • Article
  • Open Access
1,998 Views
21 Pages

The Sustainability of a Dairy Cattle System in the Internal Area of Marmo Platano, Basilicata Region, Italy

  • Andrea Bragaglio,
  • Gerardo Luigi Marolda,
  • Daniel Mota-Rojas,
  • Salvatore Claps,
  • Gennaro Mecca,
  • Elio Romano,
  • Maurizio Cutini and
  • Lucia Sepe

14 February 2025

Some studies have shown that intensification improves the sustainability of bovine milk; however, this matter is controversial. The present study, performed in Southern Italy, in the Basilicata region, focuses on nine specialized dairy farms of the M...

  • Article
  • Open Access
1 Citations
1,654 Views
14 Pages

Metabolic Characteristics of Lame Cows During Puerperium and the Beginning of the Reproductive Period

  • Anastasia Praxitelous,
  • Panagiotis D. Katsoulos,
  • Angeliki Tsaousioti,
  • Marion Schmicke,
  • Athina Basioura,
  • Constantin M. Boscos and
  • Georgios Tsousis

This study presents findings from two discrete experimental processes that examined the impact of lameness events on two consecutive, critical time points in the annual production cycle of dairy cattle (early in puerperium—first study, and late...

  • Article
  • Open Access
1 Citations
2,503 Views
9 Pages

The Relationship Between Stature and Live Weight of Dairy Cows Between Birth and Maturity

  • Michaela J. Gibson,
  • Nick W. Sneddon,
  • Chris W. Rogers,
  • Penny J. Back,
  • Keren E. Dittmer and
  • Natalia P. Martín

Lactational and reproductive performance are strongly associated with cow live weight and capacity. However, there are limited data published describing capacity (thoracic) growth and the prediction of final stature and capacity from measurements at...

  • Case Report
  • Open Access
1 Citations
3,959 Views
12 Pages

Diagnosis of Cystic Endometrial Hyperplasia and Hydrometra in a Pet Goat

  • Ryo Nishimura,
  • Masamichi Yamashita,
  • Yusuke Murahata,
  • Yuji Sunden and
  • Takeshi Tsuka

This case report includes the clinical utility of ultrasonography, intrauterine endoscopy (hysteroscopy), and computed tomography (CT) in the preoperative evaluation of hydrometra in a pet goat, which did not completely heal with medical therapy usin...

  • Article
  • Open Access
1 Citations
2,713 Views
12 Pages

Effects of Capsicum oleoresin on the Growth Performance, Nutrient Digestibility and Meat Quality of Fattening Beef Cattle

  • Zihua Wang,
  • Wei You,
  • Xin Hu,
  • Haijian Cheng,
  • Enliang Song,
  • Zhiyong Hu and
  • Fugui Jiang

This study investigated the effects of Capsicum oleoresin (CAP) on the growth performance, nutrient digestibility and meat quality of fattening beef cattle. A total of 48 Simmental crossbred cattle, selected based on body weight (484.7 ± 48.4...

  • Article
  • Open Access
3 Citations
4,652 Views
13 Pages

Phytochemical Composition and Effects of Aqueous Extracts from Moringa oleifera Leaves on In Vitro Ruminal Fermentation Parameters

  • Inessa Steffany Torres de Oliveira,
  • Tatiane Fernandes,
  • Aylpy Renan Dutra Santos,
  • Carolina González Aquino,
  • Gustavo Daniel Vega Britez and
  • Fernando Miranda de Vargas Junior

This study evaluated the phytochemical composition of aqueous extracts of Moringa oleifera (MO) obtained by maceration, decoction, and infusion of fresh or dried leaves and their effects on in vitro ruminal fermentation parameters. Phytochemical pros...

  • Article
  • Open Access
2 Citations
1,801 Views
15 Pages

Effect of Calcium Propionate and Chromium-Methionine Supplementation: Growth Performance, Body Fat Reserves, and Blood Parameters of High-Risk Beef Calves

  • Oliver Yaotzin Sánchez-Barbosa,
  • Octavio Carrillo-Muro,
  • Pedro Hernández-Briano,
  • Daniel Rodríguez-Cordero,
  • Alejandro Rivera-Villegas,
  • Alfredo Estrada-Angulo,
  • Alejandro Plascencia and
  • Rosalba Lazalde-Cruz

Energy availability is a critical point in newly received calves. This study was conducted to examine the effect of daily calcium propionate (CaPr), chromium-methionine (Cr-Met), or CaPr plus Cr-Met (CaPr + Cr-Met) supplementation on growth performan...

  • Feature Paper
  • Article
  • Open Access
4 Citations
3,094 Views
18 Pages

Effects of Monensin, Calcareous Algae, and Essential Oils on Performance, Carcass Traits, and Methane Emissions Across Different Breeds of Feedlot-Finished Beef Cattle

  • Pedro Guerreiro,
  • Diogo F. A. Costa,
  • Arnaldo C. Limede,
  • Guilhermo F. S. Congio,
  • Murillo A. P. Meschiatti,
  • Priscila A. Bernardes and
  • Flavio A. Portela Santos

With the growing use of crossbred cattle in Brazilian feedlots and increasing pressure to reduce antibiotic use as growth promoters, this study examines the impact of three feed additives—monensin (MON), monensin with Lithothamnium calcareum (L...

  • Article
  • Open Access
1,644 Views
19 Pages

Milking System Changeover and Effects Thereof on the Occurrence of Intramammary Infections in Dairy Cows

  • Pauline Katthöfer,
  • Svenja Woudstra,
  • Yanchao Zhang,
  • Nicole Wente,
  • Franziska Nankemann,
  • Julia Nitz,
  • Jan Kortstegge and
  • Volker Krömker

Adopting a new milking system at a dairy farm causes various changes. This study examined the impact on udder health when changing from a conventional milking system to an automatic milking system. For this purpose, quarter milk samples were taken si...

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Ruminants - ISSN 2673-933X