Results 41 to 50 of about 1,591,179 (394)

Performance and financial efficiency of three dairy production systems in southern Brazil

Revista Colombiana de Ciencias Pecuarias, 2020
Background: Factors such as herd composition, productivity, milk quality and technology level influence the costs and profitability of milk production. Objective: To evaluate indicators that could predict production performance and financial efficiency ...
Raquel S. Schiavon, Mário D. Canever, Arnaldo D. Vieira, Vanessa Peripolli, Maila Palmeira, Hernani A. Silva, Elizabeth Schwegler, Thomaz Lucia Jr., Ivan Bianchi   +8 more
doaj   +1 more source

Breed of cow and herd productivity affect milk nutrient recovery in curd, and cheese yield, efficiency and daily production

Animal, 2018
Little is known about cheese-making efficiency at the individual cow level, so our objective was to study the effects of herd productivity, individual herd within productivity class and breed of cow within herd by producing, then analyzing, 508 model ...
G. Stocco, C. Cipolat-Gotet, V. Gasparotto, A. Cecchinato, G. Bittante   +4 more
doaj   +1 more source

Preferred and undesirable genotypes of bGH and bIGF-1 genes for the milk yield and quality of black-and-white breed [PDF]

Veterinary World, 2021
Background and Aim: The market demand for the quality of milk and dairy products, in particular in terms of such indicators as fat content, the amount and composition of milk protein, etc., is growing.
Vadim Aleksandrovich Ulyanov, Bakhyt Zhanaidarovna Kubekova, Indira Saltanovna Beishova, Alena Valentinovna Belaya, Natalya Vladimirovna Papusha   +4 more
doaj   +1 more source

Influence of complex genotypes of GH and PRL genes on milk productivity and milk quality of cows

, 2021
The aim of the study is to analyze the obtained data on the effect of complex genotypes of the somatotropin (GH) and prolactin (PRL) genes on the milk productivity of cows, on the amount and mass fraction of fat and protein in milk, that is, on the ...
Kh.Kh. Gilmanov, R. Vafin, S. Tyulkin
semanticscholar   +1 more source

Use of mixed ligand complexes of Zinc, Manganese and Cobalt in feeding highly productive cows during the late dry period

Theoretical and Applied Veterinary Medicine, 2021
The results of establishing the optimal feeding doses of Zinc, Manganese, and Cobalt in the form of their mixed-ligand complexes for high-yielding cows of Holstein, Ukrainian Red-Spotted and Ukrainian Black-Spotted dairy breeds during the late dry period
V. S. Bomko, Yu. G. Kropyvka
doaj   +1 more source

Relative variability of phenotypic traits and indicators of milk productivity of cows

Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies, 2021
The research was conducted on cattle of Black-and-White breed (Holstein and Ukrainian Black-and-White dairy breed) at LLC “Veleten” Glukhiv district of Sumy region (n = 1956) and PJSC “Breeding Plant “Stepnoy” of Kamyansko-Dniprovsk district of ...
Y. Fedorovych, V. Fedorovych, P. Bodnar, S. Fyl, A. Dymchuk, T. V. Orikhivskyj   +5 more
semanticscholar   +1 more source

Assessment of expected genetic gain in average daily milk yield in different milk productivity groups on simulating selection intensity in Sahiwal cattle

Indian Journal of Animal Sciences, 2019
Data on first lactation milk productivity (milk yield per day of 305 days or less lactation length) records of Sahiwal cattle maintained at an organized herd of ICAR-National Dairy Research Institute, Karnal, Haryana, India were utilized.
POONAM RATWAN, A K CHAKRAVARTY, MANOJ KUMAR, NISHA SHARMA, ANEET KOUR, A K GUPTA   +5 more
doaj   +1 more source

Beta-lactoglobulin (BLG) gene polymorphism in Ukrainian and foreign cows

Біологія тварин, 2021
The aim of the study was to study the polymorphism of the beta-lactoglobulin gene in cows of Ukrainian Red-Spotted dairy cattle and Montbéliarde breeds and animals obtained by crossing the local Ukrainian Red-Spotted dairy cattle with bulls of ...
I. Mitioglo
doaj   +1 more source

Milk productivity of holstein cows at optimization of fat levels in their diets

IOP Conference Series: Earth and Environment, 2021
The work is devoted to determining the optimal level of fat in concentrate-senage diets for high-yield cows and studying the effect of various levels of fat in the dry matter of the diet on milk productivity and chemical composition of milk. Studies have
O. Petrov, V. Semenov, V. Alekseev
semanticscholar   +1 more source

Perspectives on Reducing the National Milk Deficit and Accelerating the Transition to a Sustainable Dairy Value Chain in Zimbabwe

Frontiers in Sustainable Food Systems, 2021
The Zimbabwean dairy industry is massively underperforming, as evidenced by a reduction in milk yield from 262 million liters in 1990 to <37 million liters in 2009 and a steady but slow increase to 82 million liters in 2021.
Ngonidzashe Chirinda, Chrispen Murungweni, Addmore Waniwa, Justice Nyamangara, Aziza Tangi, Michael Peters, An Notenbaert, Stefan Burkart   +7 more
doaj   +1 more source