Methods of Improvement of the Meat Productivity of Sheep

Pokhyl, V. I.; Agrarian, Dniprovsky State; Mykolaychuk, L. P.

doi:10.30525/978-9934-571-89-3_107

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“…Одна з перспективних порід, яка цінується за невибагливість, м'ясну продуктивність, багатоплідність, якість овчин -це романівська -еталон шубного напряму продуктивності серед грубововнових порід. Вівці цієї породи дають шубні овчини високої якості, що зумовлено особливостями морфологічної будови вовнового покриву: кількісним співвідношенням пухових і остьових волокон, їх довжиною, товщиною і забарвленням (Pokhyl & Mykolaychuk, 2019;Herman & Herman, 2019).…”

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Age-related variability of the woollen coat of Romanivska sheep breed

Pokhyl¹,

Mykolaychuk²

2019

TAVM

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The modern sheep breeding industry is predominantly based on the efficient meat and milk production. At the same time, the woolen productivity is one of the strategic components of a country's raw material security in the production of various products from it, where the Romanivska breed occupies an appropriate place. Results of research of indicators of woollen productivity of sheeps of Romanivska breed of different sex-age groups (adult ewes of 2-3 lambing times, ewe lambs and cowslip at birth, at 2-, 4-and 6 months of age) are given as a result of interaction of hereditary information and paratypical factors. The formation of physical and technical properties of sheep wool, age variability of its growth and development were studied depending on the season and technological use. Wool productivity has been evaluated by individual accounting for the wool shear of the entire test livestock up to 0.1 kg. During the shearing, the wool shear of the unwashed wool and the output of the washed fibre were determined. The natural length of the wool set with precision to 0.5 cm using a millimeter ruler; true length-on the device FM-0.4; the fineness of wool fibres-using the microscope «MP-3». A pronounced differentiation of the wool fibres by the fineness was established. The morphological composition of fleece wool can be a breeding trait closely related to the type of constitution of sheep, and directly affect the technological properties of wool raw materials. Thoroughbreed belonging of sheeps, age, sex, feeding and keeping of animals, selection and choice by level of woolliness have a significant influence on the formation of wool. The most intensive growth of wool in length occurs during the first two months of postnatal development of animals.

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Section: вступunclassified

Age-related variability of the woollen coat of Romanivska sheep breed

Pokhyl¹,

Mykolaychuk²

2019

TAVM

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Intensity of Growth and Meat Productivity of Young Sheep Under Influence of Complex Energy – Protein Food Addition

Помитун

Kosova

Korkh

et al. 2022

STBIAS

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In the article, the results of experience are exposed on fattening of rams 11-12 monthly age with application energy – protein addition ТЕP-mix. Studies were undertaken in the conditions of experimental economy of Institute of Animal Science NAAS by the method of the control fattening during 60 days with by the next coalface of animals and estimation of the chemical composition of mutton. It is set that feeding to the rams in composition a basic ration 0.10-0.15 kg/ in the day of addition of ТЕP -mix with solubility оf protein in the scar of ruminant 31 percent provided the increase of intensity of height of animals from 46.8 to 48.2 percents to the control group that got the mixed fodder - concentrate.For a period of experience, there is a middle living mass of rams of control group ipercentncreased on 18,1percent, while in experience accordingly - on 27.6 and 27.9 percent. A clear tendency is set to the height of content in the blood of rams of experience groups of general albumen on 3.5-6.5 percent against control (at his maintenance within the limits of the norm). Thus this index appeared the greatest for animals that got ТЕP-mix in an amount of 0.15 kg/ on a 1 animal in the day. Mass of pair carcass in ІІ and ІІІ experience groups felt strongly higher about control on 9.6 and 12.4 percent accordingly. Studies of the chemical composition of average samples of lamb meat have shown a clear trend to increase the dry matter content in the carcasses of animals of the control group - by 1.91 and 3.33 absolute percent. It is noteworthy that the advantage of this indicator of lambs in the control group is due solely to the higher content of mass fraction of fat in the dry matter of meat - 2.49 and 4.45 absolute percent against peers of groups II and III. The meat of lambs of both experimental groups is characterized by the optimal ratio between the content of mass fractions of protein and fat, while in the control group the content of mass fraction of fat prevails.

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Methods of Improvement of the Meat Productivity of Sheep

Cited by 2 publications

References 0 publications

Age-related variability of the woollen coat of Romanivska sheep breed

Age-related variability of the woollen coat of Romanivska sheep breed

Intensity of Growth and Meat Productivity of Young Sheep Under Influence of Complex Energy – Protein Food Addition

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