Light and noise conditions of buildings for breeding dairy cows
نویسندگان
چکیده
منابع مشابه
Ranking Dairy Cows for Optimal Breeding Decisions
This paper discusses when to start and stop breeding cows in their lactation. First, a review of the literature on the optimal voluntary waiting period (when to start breeding cows) shows that there is not much consensus on how long the economically optimal voluntary waiting period is. Secondly, the paper then describes a computer program that calculates the insemination value (IN$) for cows in...
متن کاملCommunity‐Based Productivity Veterinary Services Increase Smallholder Dairy Farms’ Income and Number of Cows for Breeding at Mymensingh of Bangladesh
We reportedhere data from a productivity veterinary service that was participatory planned and delivered on farms at the Kanihari Union belongs to Mymensingh District of Bangladesh. We used a set of five forms and a breeding calendar on farm visit once in a month to guide service delivery and acquisition of data and to keep the records on general cattle health, reproduction, udder health and fe...
متن کاملTreatment of Repeat Breeding in Dairy Cows with Lugol’s Iodine
This study was carried out to see whether the uteri of dairy cows suffering from repeat breeder syndrome are infected with bacteria or not. Furthermore, the efficacy of intra-uterine infusion of diluted Lugol’s iodine to treat this syndrome was tested by studying two reproductive traits, the rate of service per conception and the length of the days open (DO). Sixty cross-bred dairy cows that we...
متن کاملBreeding Dairy Cows to Reduce Greenhouse Gas Emissions
The dairy industry has made large advances in efficiencies over the past 60 years as a result of changes in breeding, nutrition and management practices [1]. To meet the growing demand for dairy products, which is projected to continue out to the year 2050 [2], milk production per cow has increased over the last thirty years primarily by genetic selection and better nutrition. Genetic selection...
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ژورنال
عنوان ژورنال: Research in Agricultural Engineering
سال: 2010
ISSN: 1212-9151,1805-9376
DOI: 10.17221/43/2009-rae