Results 101 to 110 of about 2,715,239 (211)

Evolutionary changes of the Gray Ukrainian breed

open access: yesБіологія тварин
The article presents the macro- and micro-evolutionary changes of the Gray Ukrainian breed over the past 100 years, which can be used in breeding and selection to preserve the existing gene pool population and in its further use, and can be useful in the
V. Kozyr   +4 more
doaj   +1 more source

Production and carcass traits of high dairy genetic merit Holstein, standard dairy genetic merit Friesian and Charolais × Holstein-Friesian male cattle [PDF]

open access: yes, 2005
peer-reviewedThe increased proportion of Holstein genetic material in the dairy herd has consequences for beef production in Ireland. A total of 72 spring-born male calves (24 Holsteins (HO), 24 Friesian (FR) and 24 Charolais × Holstein-Friesians (CH ...
Caffrey, Patrick J.   +4 more
core  

Energy restriction and housing of pregnant beef heifers in mud decreases body weight and conceptus free live weight. [PDF]

open access: yesTransl Anim Sci, 2022
Nickles KR   +5 more
europepmc   +1 more source

EVALUATION OF THE RELIABILITY AND CONCORDANCE OF VISUAL WEIGHT ASSESSMENT IN WATER BUFFALO FEMALES

open access: yesTropical and Subtropical Agroecosystems
Background. For the development of reproductive, nutritional and health programmes, estimation of animal body weight (BW) is a fundamental tool in herd management. Objective.
Jesús Ignacio Vázquez-Bolaina   +6 more
doaj   +1 more source

INFLUENCE OF LIVE WEIGHT ON STARCH AND N DIGESTION OF CORN-BASED (DRY-ROLLED OR STEAM-FLAKED) FINISHING DIETS FOR HOLSTEIN STEERS

open access: yesTropical and Subtropical Agroecosystems
Background. A possible effect of live weight on digestion capacity and starch and nitrogen utilization in cattle has been suggested, however, to our knowledge, this effect has not been evaluated by direct testing.
Juan Octavio Chirino Romero   +5 more
doaj   +1 more source

A diversified organic pork production – presentation of a concept based on seasonal outdoor rearing of very small entire males [PDF]

open access: yes, 2008
The risk of boar taint in entire males is supposed to increase with increased age and weight. Thus, a method to reduce this risk may be to slaughter the pigs at a low age and weight.
Andersen, B.H.   +3 more
core  

Predicting male dairy calf live weight for use in calf management decision support. [PDF]

open access: yesJDS Commun, 2021
Dunne FL   +4 more
europepmc   +1 more source

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