Results 21 to 30 of about 1,591,179 (394)

MILK PRODUCTIVITY OF DAUGHTERS OF DIFFERENT SIRES OF THE HOLSTEIN BREED [PDF]

open access: yesVolga Region Farmland, 2022
The productive and breeding abilities of animals are largely determined by their origins. Sires, especially those belonging to the leading lines of the Holstein breed, have a great impact on the cow production in dairy cattle breeding.
V.V. Lyashenko   +3 more
doaj   +1 more source

Increasing the milk productivity of Kazakh jabe horses.

open access: yesBrazilian journal of biology = Revista brasleira de biologia, 2023
The purpose of the study was to determine the milk productivity and chemical composition of the milk of mares of the Kazakh breed of the jabe type (KJ) and the Novoaltay-Kazakh crossbreeds of the 1st generation (NA x KJ) in the conditions of herd keeping.
T. Sharapatov   +4 more
semanticscholar   +1 more source

Formation of signs of milk productivity of cows depending on their origin by father

open access: yesScientific Messenger of LNU of Veterinary Medicine and Biotechnologies, 2023
When breeding dairy cattle, productivity is of the greatest economic and economic importance. A sufficient number of highly productive animals and their effective use in herds reveals the breed's potential, contributes to increasing the genetic potential
Y. Fedorovych   +4 more
semanticscholar   +1 more source

A time series analysis of milk productivity in US dairy states.

open access: yesJournal of Dairy Science, 2023
As US dairy cow production evolves, it is important to characterize trends and seasonal patterns to project amounts and fluctuations in milk and milk components by states or regions.
M. Li, K. Reed, V. Cabrera
semanticscholar   +1 more source

COMPATIBILITY OF MILK PRODUCTIVITY AND REPRODUCTIVE CAPACITY IN HOLSTEIN COWS OF DUTCH ORIGIN [PDF]

open access: yesScientific Papers Series : Management, Economic Engineering in Agriculture and Rural Development, 2022
The chronology of reproductive indices over 4 years, the interrelationships between milk productivity and reproductive indices in Holstein cows of Dutch origin and the share of action of milk productivity on reproductive indices were investigated. In the
Vera GRANACI   +2 more
doaj  

The signs of milk productivity of cows bred in different climatic zones depending on the year and season of their birth

open access: yesБіологія тварин, 2023
Data on the influence of environmental factors on the milk productivity formation of cows in different climatic zones of Ukraine are presented. It was established that animals bred in the steppe zone had the highest milk yield, milk fat content, and milk
V. V. Fedorovych   +3 more
doaj   +1 more source

The Effect of Feed Supplementation on Cow Milk Productivity and Quality: A Brief Study

open access: yesInternational Journal of Agricultural and Veterinary Sciences, 2022
Milk and milk products are an important source of food that provides nutritional energy, protein, minerals, and vitamins of high quality. Feed supplementation could be an excellent way to improve nutrient digestibility and absorption in dairy cattle ...

semanticscholar   +1 more source

Egyptian Clover Genotypic Divergence and Last Cutting Management Augment Nutritive Quality, Seed Yield and Milk Productivity

open access: yesSustainability, 2022
Under a changing climate, harvesting management and exploiting the genotypic divergence of Egyptian clover cultivars offers a biologically viable solution to sustainably boost the milk productivity of dairy animals.
A. Jabbar   +11 more
semanticscholar   +1 more source

Evaluation of highly productive cows by selection and genetic parameters

open access: yesНауковий вісник Львівського національного університету ветеринарної медицини та біотехнологій імені С.З. Гжицького. Серія: Сільськогосподарські науки, 2020
Under the conditions of intensive technologies used in production of livestock products, the main selection feature that characterizes the economic feasibility of dairy farming and breeding value of animals is milk productivity.
T. V. Pidpala, Yu. S. Matashnyuk
doaj   +1 more source

INFLUENCE OF YEAR AND SEASON ON MILK PRODUCTIVITY OF COWS

open access: yesAnimal Breeding and Genetics, 2022
Introduction. Numerous studies of domestic scientists testify to the sometimes significant, but multidirectional influence of the year and season of calving and birth on the formation of milk productivity and other economically useful traits.
Y. Polupan   +4 more
semanticscholar   +1 more source

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