Acidosis, Urinary Calculi and Lamb Starvation
28th January 2019Feeding ewes for optimal production and reproduction | Part 2
22nd February 2019Feeding ewes for optimal production and reproduction
By Dr Vlok Ferreira
National Technical Manager of Ruminants, RCL Foods
The nutritional requirement of a ewe will change throughout her lifetime, depending on her production cycle. As seen in the graph, the nutrition needed for a dry ewe will be low, but will increase slightly during the mating and breeding season. After mating, during mid-gestation, this requirement will start to climb and will increase drastically as the ewe reaches late gestation. Her requirements will peak at early lactation and as lactation progresses it will start to decline. Once her lamb is weaned and she becomes a dry ewe once more.
The ewe’s intake of a lick supplement should be approximately 15% of the total dry matter intake, whereas a production lick should make up close to 20% of the total dry matter intake. The quality of the grazing is the most important aspect, and contributes the most to the effect of any supplementation.
Flush feeding and management
Flush feeding is a management practice that should be put in place roughly three weeks before the mating season. The ideal body condition score (BCS) for a ewe at mating should be about 3.5, where 1 is very thin and 5 is overfat. The goal of flush feeding is to increase the weight and condition of ewes. This will increase ovulation and conception rate of ewes that have been mated, and results in a higher lambing percentage. For every 1 kg of weight that the ewe gains, her lambing percentage increases by 1.5 – 2%
Ewes that have a BCS of 2 – 2.5 should be fed separately from ewes already in a good condition, as ewes that are already in a good condition will not benefit as much from flush feeding. Flush feeding should be implemented 4 – 6 weeks before mating, and should be maintained until at least 3 weeks after mating. The reason behind this is to keep the level of nutrition consistent, so that ewes do not absorb the foetus due to stress.
A good management tip is to use teaser rams in spring, as this is when sheep experience a decrease in fertility that corresponds with a decrease in night length. The presence of teaser rams help ewes to come into estrus quicker.
Look out for part 2 of this series, where we discuss the reproductive cycle of the ewe and how feed management influences it.
9 Comments
I would like to get more of these articles.
I trying to make a good quality in sheep’s advice me which feed is good
I like the information you always providing. It’s very useful.
Please continue to share with us as upcoming farmers and keen to learn more every now and then and also gain experience in farming
Thank you very much
I will also like it if you suggest what kind of your products should one use during mating,gestation,late gestation, lambing and also for lactacting stages which are suit able to keep production going on
I have have 100 hectares and think to start farming with Meetmaster sheep.
Will there be any help for me at Nampo?
Plz continue to share
I’ve always found reading your articles awesome very informative whether you are a beginner, seasoned or veteran in farming. Kindly keep on doing the good work of assisting animal farmers
An impressive, inspiring information well done more especially for us emerging farmers thumb up.
I am sheep farmer in Ugie, North Eastern Cape. I would like to buy bulk of feed from supplier nearer to or at least around Bloemfontein. Kindly provide name if you can
Hi Mandla, thank you for reaching out. Please feel free to contact Arno Ferreira at 082 829 3887 or arno.ferreira@rclfoods.com.