Results 171 to 180 of about 164,939 (346)

Conversion of Carotene from Alfalfa to Vitamin A by Guernsey and Holstein Calves

open access: bronze, 1959
H.D. Eaton   +8 more
openalex   +1 more source

Genomic Evaluation of Recombination in Small Highly Inbred Beef Cattle Populations

open access: yesAnimal Research and One Health, EarlyView.
The study characterizes recombination in small beef cattle populations, revealing higher rates in CGC composites compared to inbred Line 1 Herefords. It identifies significant SNP associations linked to recombination across various autosomes, highlighting complex polygenic influences, with implications for genetic diversity and breeding strategies ...
E. Hay, A. S. Ling
wiley   +1 more source

Subcutaneous application of hyperimmune serum against Histophilus somni recombinant proteins affects serum antibody reactivity in beef calves

open access: yesBMC Veterinary Research
Background Respiratory tract diseases cause significant economic loss in beef cattle. This study aimed to determine whether the application of hyperimmune serum (HS) containing antibodies against selected antigens of Gram-negative bacteria would improve ...
Joanna Bajzert   +3 more
doaj   +1 more source

Technological Innovations and Applications of Spatial Transcriptomics in Livestock and Poultry Research

open access: yesAnimal Research and One Health, EarlyView.
The paper is divided into three main sections: a review of the development of spatial transcriptomics technology, its applications in livestock and poultry research, and its future prospects. This article provides an overview of the current state of spatial transcriptomics in animal research, exploring its integration with multiomics technologies as ...
Mingyu Wang   +5 more
wiley   +1 more source

Echocardiographic Changes Related to Pulmonary Hypertension in Preweaned Dairy Calves With Bronchopneumonia: A Case–Control Study in Commercial Dairy Farms

open access: yesJournal of Veterinary Internal Medicine
Background Bronchopneumonia (BP) can cause pulmonary hypertension (PH) and secondary cardiovascular changes. Objectives The aim of this study was to describe PH–related transthoracic Doppler echocardiography (TTE) changes in preweaned dairy calves with ...
Sara Ghilardi   +5 more
doaj   +1 more source

A Study of the Birth Weight of Calves

open access: bronze, 1919
Clarence Henry Eckles
openalex   +1 more source

Compensation Response to Hepatic Gluconeogenesis via β‐Hydroxybutyrylation of FBP1 and PCK1 in Dairy Cows

open access: yesAnimal Research and One Health, EarlyView.
(1) Kbhb modification of FBP1 and PCK1 is involved in regulation of the gluconeogenesis pathway. (2) Kbhb of FBP1 and PCK1 is catalyzed by p300 and removed by HDACs. (3) BHB induced an increase in the enzymatic activity of FBP1 and PCK1 through Kbhb modification at the K43 site of FBP1 and the K191 site of PCK1.
DingPing Feng   +6 more
wiley   +1 more source

Cod–Liver Oil Tolerance in Calves

open access: bronze, 1938
George K. Davis, L. A. Maynard
openalex   +1 more source

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