Results 81 to 90 of about 160,656 (237)

The Cow or the Credit: Causal Relationship Between California Dairy Herd Consolidation and Anaerobic Digesters

open access: yesApplied Economic Perspectives and Policy, EarlyView.
ABSTRACT The California dairy industry has experienced considerable consolidation over the past 30 years. During this period, there has also been substantial technological innovation, implementation of the state's Low Carbon Fuel Standard program, and rapid adoption of anaerobic digesters.
Michael McCullough, Jarrett Hart
wiley   +1 more source

Early stages of tooth development in the harbor porpoise Phocoena phocoena

open access: yesThe Anatomical Record, EarlyView.
Abstract Here we describe the stages of tooth development in toothed whales on the basis of the harbor porpoise (Phocoena phocoena). The aim of the study was to find out whether these stages are identical to those of other mammals analyzed so far although toothed whales are homodont and monophyodont.
Lasse M. Mathes   +2 more
wiley   +1 more source

Anatomy and variation in the paraphyletic Mosasaurus lemonnieri assemblage from the Craie phosphatée de ciply, Belgium

open access: yesThe Anatomical Record, EarlyView.
Abstract Nineteenth century excavations of the Ciply‐Malogne Phosphatic Chalk Formation in Hainaut, Belgium, yielded over 50 partial mosasaur skeletons, the majority of which were referred to the species Mosasaurus lemonnieri Dollo, 1889. In the years since, this taxon has experienced a complicated taxonomic history, and its exceptional hypodigm has ...
Henry S. Sharpe   +3 more
wiley   +1 more source

Integration of Nutrition and Organic Agriculture Framework in Managing Gastrointestinal Nematodes in Ruminants

open access: yesAnimal Research and One Health, EarlyView.
Gastrointestinal nematode infections damage the gastrointestinal epithelial tissues of ruminants, affecting nutrient utilization and overall production performance. This review outlines host‐gastrointestinal nematode interactions and discusses integrated control strategies, including nutritional supplementation, grazing management, vaccines, and ...
Wenxun Chen   +5 more
wiley   +1 more source

Indoor Versus Outdoor Calf Rearing at Three Weaning Ages [PDF]

open access: yes, 1969
In order to be profitable, a dairy herb must have good heifers to meet replacement needs. According to USDA (51), these needs are substantial because 25% of the cows in an average herd must be replaced each year as they no longer return a profit. Meeting
Jorgenson, Larry J.
core   +1 more source

Calf performance in a cow-driven cow-calf contact system: Effect of 2 methods to gradually reduce cows' access to their calf

open access: yesJournal of Dairy Science
: Knowledge is lacking on separation strategies that can best prepare calves to final separation from the dam in cow-calf contact (CCC) systems. This controlled trial compared the effects of 2 different methods to gradually reduce cows' access to their ...
Johanne Sørby   +3 more
doaj   +1 more source

The Diverse Structure and Organization of U.S. Beef Cow-Calf Farms [PDF]

open access: yes
Beef cow-calf production in the United States is widespread, occurring in every State. Nearly 765,000 farms, about 35 percent of the 2.2 million farms in the United States, had a beef cow inventory in 2007. Most of these were small, part-time operations.
Mathews, Kenneth H., Jr.   +1 more
core  

Follicle Stimulating Hormone in Cattle Breeding: Fundamentals, Innovations, and Scope

open access: yesAnimal Research and One Health, EarlyView.
FSH is crucial in cattle reproduction, with exogenous administration enhancing breeding and embryo production. Recombinant FSH offers advantages over pituitary‐extracted variants, including fewer injections, reduced stress, and safer production. These innovations improve breeding efficiency, optimize reproductive outcomes, and contribute to sustainable
Muhammad Shahzad   +7 more
wiley   +1 more source

Both Radiofrequency Microtenotomy and Physical Therapy Provide Significant Improvements in Patients With Chronic Midportion Achilles Tendinopathy at a Minimum 5‐Year Follow‐Up

open access: yesArthroscopy, Sports Medicine, and Rehabilitation, EarlyView.
Purpose To evaluate a minimum 5‐year follow‐up of patients who were treated with either bipolar radiofrequency microtenotomy (RFM) or physical therapy (PT) for midportion Achilles tendinopathy between 2016 and 2018. Methods All subjects who participated in a previous randomized controlled trial (n = 38) between 2016 and 2018 were invited to fill out a ...
Hayat Jirde Ali   +3 more
wiley   +1 more source

The therapy frequency of antibiotics and phenotypical resistance of Escherichia coli in calf rearing sites in Germany. [PDF]

open access: yesFront Vet Sci, 2023
Merle R   +6 more
europepmc   +1 more source

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