EFFECTS OF NON-GENETIC FACTORS ON DAILY MILK PRODUCTION IN AWASSI BREED OF SHEEP IN MACEDONIA

The aim of research was to study the effect of different amounts of cobalt citrate produced by nanotechnology on biochemical processes in cows, their productivity and biological value of milk in the first two months of lactation. To achieve this goal the subsequent problems have been solved. We investigated the effect of different amounts of cobalt citrate on biochemical parameters of blood and milk of cows and controlled their average daily yield. The experiment has been conducted in 3 groups of cows (5 cows each) of Ukrainian black and white dairy cattle, analogue by body weight (590–620 kg), performance (6,5–6,8 thousand kg of milk per past lactation) and lactation (3–4 lactation). Unlike the control cows, animals experimental (ІІ) group for two months were fed by mineral supplements in the form of cobalt citrate in an amount of 19 mg Co/kg of dry matter of diet and research (ІІІ) – cobalt citrate in an amount of 34 mg Co/kg of dry matter of diet. Duration of cobalt citrate feeding of cows of research groups was 2 months. In all groups of cows the samples of venous blood were taken in preparation for feeding additives period and during 60 day of additives feeding period in order to determine the concentration of total protein, ceruloplasmin, sialic acids, hexoses bound to proteins and activity of amino transferases. The milk production has been controlled in days of sampling with the definition of daily milk yield per cow and taking an average sample for the determination of milk fat, protein, lactose, inorganic phosphorus and calcium. It has been established that the inclusion in the diet of cows of experimental (ІІ) group of mineral supplements contributed to an increase in animal blood total protein content by 11.9% (P < 0.05), inorganic phosphorus by 15.3% (P < 0.05) and hexoses bound protein by 8.8% (P < 0.05). Under these conditions milk content of inorganic phosphorus increased by 5.6% (P < 0.05) and average daily milk production increased by 4.5%. The use of mineral additives in third experimental group of animals within two months contributed to an increase in blood ceruloplasmin content by 5.1% (P < 0.05) and hexoses bound protein by 11.5% (P < 0.01). Mineral supplements promote 5.4% raise of average daily milk production and increase it to the lactose content by 0.10% (in absolute).

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Yield and chemical composition of milk of grazing and supplemented Tropical Milking criollo cows

Ciencia y Tecnología Agropecuaria ◽

10.21930/rcta.vol22_num1_art:1515 ◽

2021 ◽

Vol 22 (1) ◽

Author(s):

Adalberto Rosendo Ponce ◽

Adrián Sánchez Gómez ◽

Ángel Ríos Ortíz ◽

Glafiro Torres Hernández ◽

Carlos Miguel Becerril Pérez

Keyword(s):

Chemical Composition ◽

Milk Production ◽

Dry Matter ◽

Daily Production ◽

Commercial Feed ◽

Multiplicative Effect ◽

Increase Milk Production ◽

Daily Milk Production ◽

Brachiaria Mutica ◽

Daily Milk

Milk production under grazing conditions is carried out in the intertropical region of hot climates due to its low production cost. The Tropical Milking criollo breed (LT) is characterized by its hardiness in this region, and its high milk quality and cheese yield. Grazing supplementation can increase milk production; however, it can also change its chemical composition. The effect of supplementation with commercial feed in LT cows was evaluated concerning the quantity and physicochemical traits of their milk by lactation. The treatments used were feeding based only on grazing para grass (Brachiaria mutica) and grazing plus 1 kg supplementation with 20 % protein commercial feed for every 5 kg of milk produced daily. The daily milk production per cow increased from 5.82 ± 0.18 to 7.10 ± 0.18 kg due to supplementation. Dry matter intake was similar in both treatments. The concentration of fat, protein, lactose, non-fat, and total solids did not suffer modifications (p > 0.05), but the daily production of each component per cow increased in animals supplemented due to the multiplicative effect of the amount of milk. The number of calvings affected milk production, fat, and ureic nitrogen in milk, and somatic cell count (p ≤ 0.05). It can be concluded that the supplementation used in this study was enough to increase milk production by 22 %, without modifying its chemical composition.

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Hycole Doe Milk Properties and Kit Growth

Animals ◽

10.3390/ani10020214 ◽

2020 ◽

Vol 10 (2) ◽

pp. 214

Author(s):

Agnieszka Ludwiczak ◽

Joanna Składanowska-Baryza ◽

Beata Kuczyńska ◽

Marek Stanisz

Keyword(s):

Somatic Cell ◽

Cell Count ◽

Milk Production ◽

Litter Size ◽

Somatic Cell Count ◽

Quality Traits ◽

Litter Weight ◽

Daily Milk Production ◽

Rabbit Milk ◽

Daily Milk

The level of production and the physiochemical traits of rabbit milk affect the growth and the mortality of bunnies during lactation. The goal of the study was to analyze the effect of litter size and day of lactation on the quality traits of rabbit milk, milk production, and associative traits. The study was conducted on 32 Hycole does and their litters. The rabbit milk pH ranged from 6.61 to 7.46. The colostrum was characterized by the highest content of total solids (31.54 and 31.80 g kg−1) and fat content (15.73 and 15.9 g kg−1). The milk from the beginning of the lactation was characterized by the highest level of somatic cell count (SCC) (523.67 and 536.57 103 mL−1), which gradually decreased to reach the lowest level on days 17 and 21 of lactation. The daily milk production was greater for does nursing 10 kits per litter compared to those nursing eight kits per litter (p < 0.001). The peak of milk production occurred on day 17 postpartum. To conclude, the litter size has a clear effect on milk production as well as litter weight and litter weight gains. It is also important to note that the day of lactation affected the physiochemical traits of rabbit milk.

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Effects of Calliandra and Sesbania on Daily Milk Production in Dairy Cows on Commercial Smallholder Farms in Kenya

Veterinary Medicine International ◽

10.1155/2020/3262370 ◽

2020 ◽

Vol 2020 ◽

pp. 1-15

Author(s):

D. N. Makau ◽

J. A. VanLeeuwen ◽

G. K. Gitau ◽

S. L. McKenna ◽

C. Walton ◽

...

Keyword(s):

Milk Production ◽

Dairy Farms ◽

Protein Supplementation ◽

Smallholder Farms ◽

Study Objective ◽

Final Model ◽

Smallholder Dairy ◽

Daily Milk Production ◽

Daily Milk ◽

Smallholder Dairy Farms

There is a growing interest in protein supplementation of dairy-cow diets using leguminous shrubs. The study objective was to ascertain the association between diet supplementation with Calliandra calothyrsus and Sesbania sesban and milk production in dairy cattle on commercial smallholder farms. This trial involved 235 cows from 80 smallholder dairy farms in Kenya randomly allocated to 4 intervention groups: (1) receiving Calliandra and Sesbania and nutritional advice; (2) receiving reproductive medicines and advice; (3) receiving both group 1 and 2 interventions; and (4) receiving neither intervention. Farm nutritional practices and management data were collected in a questionnaire, and subsequent physical examinations, mastitis tests, and milk production of cows on the farm were monitored approximately monthly for 16 months. Descriptive and univariable statistical analyses were conducted, and multivariable mixed-model regression was used for identification of factors associated (P<0.05) with daily milk production. The mean milk production was 6.39 liters/cow/day (SD = 3.5). Feeding Calliandra/Sesbania to cows was associated (P<0.0005) with an increase in milk produced by at least 1 liter/cow/day with each kg fed. Other variables positively associated with ln daily milk production in the final model included feeding of Napier grass, amount of silage and dairy meal fed, body condition score, and appetite of the cow. Other variables negatively associated with ln daily milk production in the final model included amount of maize germ fed, days in milk, sudden feed changes, pregnancy, and subclinical mastitis. In conclusion, our field trial data suggest that use of Calliandra/Sesbania through agroforestry can improve milk production in commercial smallholder dairy farms in Kenya. Agroforestry land use systems can be adopted as a way for dairy farmers to cope with feed shortages and low crude protein in farm-available feeds for their cows.

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Short-term rate of milk synthesis and expression interval of preterm mothers

Archives of Disease in Childhood - Fetal and Neonatal Edition ◽

10.1136/archdischild-2018-316551 ◽

2019 ◽

Vol 105 (3) ◽

pp. 266-269 ◽

Cited By ~ 1

Author(s):

Ching Tat Lai ◽

Alethea Rea ◽

Leon R Mitoulas ◽

Jacqueline C Kent ◽

Karen Simmer ◽

...

Keyword(s):

Preterm Infants ◽

Milk Production ◽

P Value ◽

Inverse Association ◽

Short Term ◽

Start Time ◽

Daily Milk Production ◽

The Impact ◽

Maximum Interval ◽

Daily Milk

AimTo determine the impact of the pumping regimes of women with preterm infants on the daily milk production, and on the short-term rate of milk synthesis during early lactation to support evidence-based recommendations for optimising milk production.MethodsMothers of preterm infants (n=25) recorded start time, finish time and expression volumes from every breast expression on days 10, 15–20 postpartum.ResultsExpressing more often than five times per day did not result in a significant increase in daily milk production. Milk volume per expression per breast increased for intervals between expressions of between 2and6 hours then reached a plateau when the interval between expression was 7 hours or longer. The short-term rate of milk synthesis decreased as the interval between expressions increased until about 7.5 hours at which point it begun to increase (p value associated with interval between expressions^2<0.001).ConclusionThe strong inverse association between the short-term rate of milk synthesis and the interval between expressions for intervals up to 7 hours suggest that the maximum interval between expressions should be 7 hours. Data suggest that, on average, the mothers should express at least five times a day to maximise daily milk production. Considering inter-individual variation, determination of an individual mother’s maximum interval between expressions that does not compromise the short-term rate of milk synthesis will help to optimise daily milk production while minimising the demands on the mother’s time.

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Statistical research on the fate of dietary mineral elements in dry and lactating cows IV. Chloride

The Journal of Agricultural Science ◽

10.1017/s0021859600014428 ◽

1969 ◽

Vol 73 (2) ◽

pp. 223-229 ◽

Cited By ~ 4

Author(s):

R. Paquay ◽

F. Lomba ◽

A. Lousse ◽

V. Bienfet

Keyword(s):

Milk Production ◽

Dry Matter ◽

Mineral Elements ◽

Statistical Research ◽

Lactating Cows ◽

Chloride Excretion ◽

Daily Milk Production ◽

Very High ◽

Matter Energy ◽

Daily Milk

SUMMARYStatistical analyses were carried out on the data obtained under very strict conditions in metabolism stalls with 41 different rations fed to 127 adult non-pregnant dry cows, and with 14 other different rations fed to 35 adult non-pregnant lactating cows that had calved 2–6 months earlier and whose daily milk production ranged from 11 to 20 kg.The authors have calculated and studied the correlations between faecal and urinary losses of chloride, chloride excretion with the milk, digestible chloride and chloride balance and many other nutritive factors which were analysed for each of the 55 above mentioned experimental diets.The results show that the digestion and utilization of chloride is not influenced by the amount of ingested chloride at the time of the trial. The digestion is generally very high, negatively correlated with dry matter, energy, and pentosans intakes, and positively with nitrogen and potassium intakes. But the most important factor in the fate of dietary chloride seems to be the necessity for the cow to eliminate most of the time high amounts of potassium in the urines.

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Relationship of Daily Milk Production with Incidence of Transitional Diseases in Punjab

International Journal of Livestock Research ◽

10.5455/ijlr.20181221063554 ◽

2019 ◽

pp. 1

Author(s):

Niharika Thakur ◽

Parminder Chawla ◽

Rajesh Kasrija ◽

Prahlad Singh

Keyword(s):

Milk Production ◽

Daily Milk Production ◽

Relationship Of ◽

Daily Milk

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Pemberian silase, complete feed, dan growth promoter pada sapi perah kawin berulang terhadap Services per Conception dan produksi susu

Ovozoa Journal of Animal Reproduction ◽

10.20473/ovz.v9i2.2020.28-34 ◽

2020 ◽

Vol 9 (2) ◽

pp. 28

Author(s):

Suherni Susilowati ◽

Wurlina Wurlina ◽

Sri Mulyati ◽

Suzanita Utama ◽

Dewa Ketut Meles

Keyword(s):

Milk Production ◽

Control Group ◽

Growth Promoter ◽

Growth Promoters ◽

Dairy Farmers ◽

Holstein Friesian ◽

Reproductive Disorder ◽

Daily Milk Production ◽

Repeat Breeder ◽

Daily Milk

Repeat breeding is a reproductive disorder that harms dairy farmers because of the unachieved target to obtain one calf per year and decreased milk production. The repeat breeding syndrome can be caused by malnutrition. This study aimed to determine the effect of feeding silage, complete feed, and growth promoters in repeat breeder cows to restore the services per conception (S/C) and daily milk production. Thirty repeat breeder Holstein Friesian cows were divided randomly into three groups. The control group (P0) was fed 30-40 kg forage and 3-4 kg concentrate/head/day. Group P1 was given 8-10 kg silage or complete feed alternately every day; whereas P2 was given the same as for the P1 group, added with 10 ml growth promoter/head/day. Milk production and S/C were measured after six months of treatment. The results showed that the P1 and P2 groups returned S/C to normal (1.40 ± 0.52 and 1.30 ± 0.48), while the S/C of P0 group was 3.20 ± 0.63 (p <0.05). Daily milk production in the P1 and P2 groups (14.20 ± 1.40 and 14.60 ± 1.43 l/d) was also higher (p <0.05) than the control group (8.30 ± 1.06 l/d). It could be concluded that feeding silage and complete feeds alternately daily, with or without the addition of growth promoter, improved the S/C to the normal range and increased milk production.

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Variability of reduced glutathione levels in Massese ewes and its effect on daily milk production

Journal of Dairy Research ◽

10.1017/s0022029900028600 ◽

1988 ◽

Vol 55 (3) ◽

pp. 345-353 ◽

Cited By ~ 7

Author(s):

Rita Rizzi ◽

Anna Caroli ◽

Patrizia Bolla ◽

Anna Acciaioli ◽

Giulio Pagnacco

Keyword(s):

Milk Production ◽

Negative Correlation ◽

Reduced Glutathione ◽

Glutathione Level ◽

Stage Of Lactation ◽

Erythrocyte Concentration ◽

Daily Milk Production ◽

Daily Milk

SummaryThe variability of the erythrocyte concentration of the tripeptide glutathione was studied in four flocks of Massese sheep. A relationship was found between glutathione level and stage of lactation in which the second month showed the lowest content. Genotype at transferrin and haemoglobin loci was associated with glutathione levels. Homozygotes at the transferrin locus yielded higher levels, while the D allele at the same locus was associated with lower concentrations. Animals with haemoglobin AA showed higher contents of glutathione. Also, a negative correlation was found between daily milk production and glutathione level.

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Influence of Temperature‑Humidity Relations During Years on Milk Production and Quality

Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis ◽

10.11118/actaun201765010211 ◽

2017 ◽

Vol 65 (1) ◽

pp. 211-218 ◽

Cited By ~ 4

Author(s):

Renáta Toušová ◽

Jaromír Ducháček ◽

Luděk Stádník ◽

Martin Ptáček ◽

Sylvana Pokorná

Keyword(s):

Protein Content ◽

Milk Production ◽

Air Temperature ◽

Somatic Cells ◽

Climatic Conditions ◽

Holstein Cows ◽

Air Humidity ◽

Relative Air Humidity ◽

Daily Milk Production ◽

Daily Milk

The aim of this study was to evaluate influence of climatic conditions represented by daily air temperature and relative air humidity on indicators of Holstein cows’ milk quality and production. The first dataset represented individual milk production in day of milk performance recording (milk kg, fat %, protein %, and somatic cells count thous.*ml−1). The second dataset represented total daily milk characteristics of herd (milk kg, fat %, protein % and somatic cells count thous.*ml−1). A total of 654 Holstein cows were observed and evaluated. Both datasets were evaluated in relation to selected external influences (year, month, average daily air temperature, and average daily relatively air humidity). Statistical analysis was performed using SAS 9.3, and UNIVARIATE, REG and GLM procedure. Three groups of daily air temeperature (< 4.4 °C; 4.4 – 13.2 °C; > 13.2 °C), and daily relative air humidity (< 65.3 %; 65.3 – 80.4 %; > 80.4 %) were conducted for evaluation. Significant (P < 0.05) linear regressions were computed among daily air temperature and all milk production indicators, except of somatic cells count attribute. The highest individual daily milk production (35.94 kg, P < 0.01), and protein content (3.41 %, P < 0.01) were achieved with the highest average daily air temperature. Opposite results were observed for milk yield of herd as well as protein content. Average daily relative air humidity had lower influence on individual and bulk milk samples. The better results were achieved for both datasets (individual and bulk samples) in groups (65.3 – 80.4 %; > 80.4 %) of average daily relative air humidity. Obtained results point out importance of outdoor climatic parameters monitoring and preventive measures of climatic conditions in the stable.

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