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Content archived on 2024-04-16

CONTROL OF PRODUCTION FACTORS IN DAIRY SHEEP HUSBANDRY TO REDUCE THE COSTS, TO PROPOSE AN ALTERNATE BREEDING FOR THE EEC AND TO IMPROVE THE PRODUCTS' QUALITY

Objective

Dairy sheep breeding relies upon traditional products of quality (lamb and cheese), which allows maintain of a rural population in mediterranean regions of the EEC. Since about thirty years, the goals of the breeders' organizations are both to improve the labour productivity and to maintain the product's quality : in dairy sheep production, the main results concern the milking mechanization, the use of modern techniques for reproduction, and the development of breeding programmes for dairy sheep local breeds. Today the main objective is to improve feeding of large size flocks to reduce the production costs and to maintain the products' quality with the background to optimize the use of the local roughage production.
The current objective in dairy sheep production is to reduce production costs and maintain product quality by improved feeding of large size flocks and optimizing the use of local roughages. Experimental facilities to carry out the objectives have been set up and protocols established in order to use methods common to the 7 sites where the experiments are carried out. 4 experiments have been carried out which have provided results on nutritional aspects such as the relationship between grass supply and milk yield, the effects of supplementary feeds, estimation of intake capacity and of forage concentrate substitution in different breeds. Feeding efficacy during lactation has been examined through a comparison of weaning and milking strategies. The influence of age structure in the flocks on the chemical composition of the milk throughout the whole flock has been studied.
The project intends to improve the knowledge of dairy sheep nutrition (requirements, feed intake, body reserves, ...) feed efficiency according to milk yield genetic merit, and breeding (suckling vs milking period, ...). The expected results are to propose feeding recommandations and breeding systems that take into account within flock variability in the aim to reduce the costs and to maximize the roughage intake. Effects on milk composition will be considered in every experiment.

The experiments will be carried out in 7 experimental flocks (1,900 ewes) managed by the participants. The studies will be supplemented by analysis of data produced from private flocks in milk recording (820,000 ewes in 3,300 flocks of 7 breeds are recorded each year).

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Topic(s)

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Call for proposal

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Funding Scheme

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Coordinator

Institut National de la Recherche Agronomique (INRA)
EU contribution
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Address
147 rue de l'Université
75341 Paris
France

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Total cost

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Participants (5)

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