Results 101 to 110 of about 703,954 (294)

Biomarkers of gastrointestinal nematodes in beef cattle raised in a tropical area

open access: yesParasitology Research
Abstract Biomarkers are specific molecular, histological or physiological characteristics of normal or pathogenic biological processes and are promising in the diagnosis of gastrointestinal nematodes (GINs). Although some biomarkers have been validated for infection by Ostertagia sp.
Vinícius Duarte Rodrigues   +8 more
openaire   +2 more sources

Competition, Bargaining Power, and the Cattle Cycle [PDF]

open access: yes
Cattle production follows a dynamic cycle that has often been analyzed, and cattle markets receive much scrutiny because of the potential for buyer market power. The relationship between the two has been little studied, however.
Crespi, John M.   +2 more
core  

The 9+ month marathon: How pregnancy may have shaped human endurance capacities

open access: yesThe Anatomical Record, EarlyView.
Abstract Anthropology has long considered the evolution of our uniquely human endurance capacities to be the result of selection upon anatomical and physiological features imposed by the demands of thermoregulation and resource acquisition, particularly during the demands of persistence hunting. Research has focused on the anatomical changes present in
Cara Ocobock
wiley   +1 more source

MERCURY POLLUTION AND ITS IMPACT ON HEALTH OF CATTLE POPULATION AT ELOOR INDUSTRIAL AREA, KERALA [PDF]

open access: yesJournal of Veterinary and Animal Sciences, 2005
A detailed study was carried out to assess the extent of mercury ollution by Industries and its impact on cattle population at Floor industrial area, Kerala.
A. Thirunavukkarasu   +4 more
doaj  

FACTORS AFFECTING FEEDER CATTLE PRICE DIFFERENTIALS [PDF]

open access: yes
Feeder cattle prices are determined by the interaction of many factors. This study uses 1986 and 1987 Kansas feeder cattle auction data to investigate the impact of a wide variety of physical characteristics, many of which have not been used in previous ...
Brazle, Frank   +3 more
core  

The “costly son” hypothesis: Sons exacerbate obstetrical dilemmas in humans and other mammals

open access: yesThe Anatomical Record, EarlyView.
Abstract Human childbirth has often been considered uniquely difficult among mammals, yet recent evidence suggests that obstructed labor and fetopelvic disproportion are widespread across placental mammals. Here, we propose the “costly son” hypothesis: because male offspring are typically larger at birth, they impose greater obstetric risk on mothers ...
Nicole D. S. Grunstra   +1 more
wiley   +1 more source

Raising Cattle “Naturally” The Significance of Animal Health [PDF]

open access: yes, 2007
Raising cattle in a “naturally raised” program presents an opportunity for cattle producers to realize premiums for the cattle when marketed. Specific requirements of “naturally raised” programs vary among individual branded programs, but commonly the ...
Daly, Russ
core   +1 more source

Raising beef cattle in Iowa

open access: yes, 1950
Beef cows, grass and roughage are a, natural combination. They fit together. No smart farmer thinks of raising beef cattle unless he has considerable pasture and roughage.
Beresford, Rex
core  

Dietary Mannan‐Rich Fractions Attenuate Weaning Stress in Piglets via Modulating Gut Microbiota and TLR5/NF‐κB Signaling

open access: yesAnimal Research and One Health, EarlyView.
This study aimed to investigate the potential of a mannan‐rich fraction (MRF) as a dietary intervention to alleviate weaning stress in piglets. Our results revealed that MRF could alleviate weaning stress by modulating the gut microbiota and the TLR5/NF‐κB signaling pathway, offering a novel and sustainable alternative to antibiotic use in swine ...
Yutong Lu   +8 more
wiley   +1 more source

A cattle raising model for the National Livestock Farming

open access: yesCiencia Veterinaria, 2019
The objective is to represent the national production system in balance for cattle raising through a model that includes characteristic indicators at the macro level, such as weaning percentage, extraction rate, percentages of females in slaughter, death rate, cows’ useful life, among others.
openaire   +2 more sources

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