Influence of feeding different sources of bypass protein on growth performance, hematology and economics in Murrah buffalo heifers

Kumari, Anuradha; Kar, Dipankar; Gulati, H. K.; Akbar, Muhammad; Sihag, Sajjan; Kumar, Sandeep; Chhikara, SK

doi:10.18805/ijar.11460

Cited by 2 publications

(1 citation statement)

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“…One of the ways to improve the live weight of growing heifers is to increase the content of non-degradable protein in the diet [48][49][50]. In our study, the use of PCAM (2.25% and 4.50%) has shown a positive effect on the growth dynamics of Ayrshire dairy heifers.…”

Section: Indicators Of Growing Growth Heifersmentioning

confidence: 58%

An Investigation on the Effects of Partial Replacement of Rapeseed Cake in Ayrshire Dairy Heifers’ Diets with By-Product Source of Animal Protein on Body Weight Dynamics, Nutrient Balancing, and Blood Biochemical Markers

Buryakov

Aleshin

Buryakova

et al. 2023

Animals

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Recently, the secondary use of by-products of the processing industry resulting from the production of poultry meat, which can be included in animal diets, has become a popular topic in the feed industry. For studying the effects of partial replacement of rapeseed cake (RC) with the by-product source of animal protein concentrate Agro-Matic (PCAM) on growth dynamics, nutrient absorption and nitrogen balance, as well as blood biochemical parameters during the growing period, a total of 48 Russian Ayrshire dairy heifers were selected for this experiment and they were divided into three experimental groups (16 in each group, including the control group). The heifers of the control group were fed the basal diet which contained rapeseed cake (30%), while the second (RC + PCAM) and third groups (PCAM + RC) were fed the basal diet after replacing a part of the rapeseed cake with 2.25% and 4.5% of protein concentrate Agro-Matic respectively. The results showed that the weight of heifers treated with PCAM at 3 months of age exceeded the control by 2.3 kg (p > 0.05) in group 2 by 4.4 kg (p < 0.05). Similar results were obtained at the age of 6 months of raising. Feeding 4.50% protein concentrate Agro-Matic has a positive effect on the digestibility of nutrients; in particular, there was a significant increase in the digestibility of crude protein in the PCAM + RC group (77.23 vs. 73.42%) compared with the control group. Moreover, a similar trend was found in the digestibility of nitrogen in the diet. At the age of 3 months, heifers showed a significant decrease in the concentration of ketone bodies in the second group (1.82 vs. 2.20 mmol/L) relative to the control group. Urea was significantly lower in the RC + PCAM group (5.05 vs. 6.62 mmol/L) relative to the PCAM + RC group, while acid capacity (alkaline reserve) was higher by 2.41% (p < 0.05) relative to the control. In the 10th month of age, a positive effect on the blood of heifers was observed, as in the second and the third experimental groups, β-globulin and phosphorus increased (p < 0.05), while in the second group aspartate aminotransferase decreased (p < 0.05). Consequently, replacing the rapeseed cake with the protein concentrate Agro-Matic revealed an improvement in the dynamics of growth, nutrient digestibility and nitrogen balance, and it has an effect on improving some biochemical parameters of the blood.

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Section: Indicators Of Growing Growth Heifersmentioning

confidence: 58%

An Investigation on the Effects of Partial Replacement of Rapeseed Cake in Ayrshire Dairy Heifers’ Diets with By-Product Source of Animal Protein on Body Weight Dynamics, Nutrient Balancing, and Blood Biochemical Markers

Buryakov

Aleshin

Buryakova

et al. 2023

Animals

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Use of Feed Additive Tep-Mix in the Feeding of Repair Heifers

Mamenko

Sedyuk

Kravchenko

et al. 2023

STBIAS

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In most of modern protein nutrition systems by determining the protein requirement of animals, it do not emanate from the content of crude and digestible protein in the ration, but from the amount of protein degraded in the small intestine and defined as the sum of degradable and non-degradable protein in the rumen. A new approach to providing protein nutrition to highly productive animals is based on providing the animal body with easily soluble nitrogen compounds of feed protein and non-protein sources of nitrogen, which is provided by proteolysis of microorganisms and feed protein. During growing calves, the inclusion of protein-energy feed additives with different content of protected protein in the composition of complete diets contributes to obtaining the planned indicators of growth intensity and development of young animals, reducing nutrient consumption and has a positive effect on the economics of growing. As a result of the scientific and economic experience, it has been proved that the inclusion of high-protein feed additives with different contents of degradable protein and starch makes it possible to balance the rations of calves with the necessary amount of nutrients, minerals and biologically active substances. The using of a feed additive with a high content of protein non-degradable in the rumen and passing starch in the diet of heifers of the experimental group made it possible to obtain higher rates of live weight gain of animals by 10,1-10,2 % when grown from 3 to 10 months of age with a highly probable difference. Compared with the control group, which indicates a high productive effect of this additive compared to sunflower meal. The implementation of perspective developed protein supplements in the rations of calves during growing helps to reduce the amount of feed consumed per group by 4314.2 UAH during the experiment period, and allows you to receive additional income from the commercial value of the gain of the whole group – UAH 8719 Keywords: heifers, supplement, feeding, live weight gain, protein.

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Influence of feeding different sources of bypass protein on growth performance, hematology and economics in Murrah buffalo heifers

Cited by 2 publications

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An Investigation on the Effects of Partial Replacement of Rapeseed Cake in Ayrshire Dairy Heifers’ Diets with By-Product Source of Animal Protein on Body Weight Dynamics, Nutrient Balancing, and Blood Biochemical Markers

An Investigation on the Effects of Partial Replacement of Rapeseed Cake in Ayrshire Dairy Heifers’ Diets with By-Product Source of Animal Protein on Body Weight Dynamics, Nutrient Balancing, and Blood Biochemical Markers

Use of Feed Additive Tep-Mix in the Feeding of Repair Heifers

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