Results 31 to 40 of about 68,028 (266)

A comparative study on the blood and milk cell counts of healthy, subclinical and clinical mastitis Karan Fries cows [PDF]

open access: yesVeterinary World, 2015
Aim: The present study was aimed to study the use of cell counts as an early indicator of mammary health. Materials and Methods: Milk and blood cell counts were estimated from 8 healthy, 8 subclinical (SCM), and 8 clinically mastitis (CM) groups of ...
Mohanned Alhussien   +5 more
doaj   +1 more source

Updating test-day milk yield factors for use in genetic evaluations and dairy production systems: a comprehensive review

open access: yesFrontiers in Genetics, 2023
Various methods have been proposed to estimate daily yield from partial yields, primarily to deal with unequal milking intervals. This paper offers an exhaustive review of daily milk yields, the foundation of lactation records.
Xiao-Lin Wu   +11 more
doaj   +1 more source

Gait assessment in dairy cattle

open access: yesAnimal, 2009
Lameness is one of the most important dairy cow welfare issues and has inspired a growing body of literature on gait assessment. Validation studies have shown that several methods of gait assessment are able to successfully distinguish cows with and without painful pathologies.
F.C. Flower, D.M. Weary
openaire   +3 more sources

Sustainable Productivity Growth in Agriculture: The Role of Shifts in R&D Investments and Technology

open access: yesApplied Economic Perspectives and Policy, EarlyView.
ABSTRACT The objective of the paper is to evaluate the long‐term prospects of sustainable productivity growth linked to plausible assumptions on public agricultural R&D investments as the key productivity driver. Second, it investigates the role of changing R&D focus from yield maximization to input saving technologies (fertilizers and pesticides). The
Zuzana Smeets Křístková   +4 more
wiley   +1 more source

Advances in Reproduction in Dairy Cattle

open access: yesJournal of Dairy Science, 1981
In 1956, Willett (185) reviewed developments in reproductive physiology and artificial insemination. His review dealt principally with dairy cattle, but it also encompassed relevant work with other species and summarized the state of the art at that time.
J H, Britt, N M, Cox, J S, Stevenson
openaire   +2 more sources

Foreign labor, peer‐networking and agricultural efficiency in the Italian dairy sector

open access: yesAgribusiness, EarlyView.
Abstract While the presence of immigrants in the agricultural sector is widely acknowledged, the empirical evidence on its economic consequences is lacking, especially from a microeconomic perspective. Using the Farm Accountancy Data Network panel data for Italian dairy farms in the period 2008–2018, the present study investigates the relationship ...
Federico Antonioli   +2 more
wiley   +1 more source

NUCLEOTIDE SEQUENCE VARIATION IN LEPTIN GENE OF MURRAH BUFFALO (BUBALUS BUBALIS) [PDF]

open access: yesExploratory Animal and Medical Research, 2012
Leptin is a 16 kD protein, synthesized by adipose tissue and is involved in regulation of feed intake, energy balance, fertility and immune functions.
Sanjoy Datta   +7 more
doaj  

Does modeling causal relationships improve the accuracy of predicting lactation milk yields?

open access: yesJDS Communications, 2023
This study compared 3 correlational (best prediction, linear regression, and feed-forward neural networks) and 2 causal models (recursive structural equation model and recurrent neural networks) for estimating lactation milk yields.
Xiao-Lin Wu   +7 more
doaj   +1 more source

Determinants of local food producer participation in state‐sponsored marketing programs: Evidence from Missouri

open access: yesAgribusiness, EarlyView.
Abstract This study examines producer participation choices considering a variety of potential benefits linked to state‐sponsored marketing programs, using a real choice dataset of farmers in Missouri. Multinomial logit models are employed to predict determinants of farmer enrollment in three tiers of the Missouri Grown local food marketing program ...
Lan Tran, Ye Su, Laura McCann
wiley   +1 more source

IDENTIFICATION OF POLYMORPHISM IN LEPTIN GENE OF MURRAH BUFFALO BY PCR-RFLP [PDF]

open access: yesExploratory Animal and Medical Research, 2012
Present study was undertaken with the objective to identify the genetic variation in exon 2 and exon 3 of leptin gene and to determine the association of variants with milk production and fat% in Murrah buffaloes.
Sanjoy Datta   +7 more
doaj  

Home - About - Disclaimer - Privacy